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For Immediate Release, March 20, 2012
Contact: Rebecca Noblin, (907) 274-1110, firstname.lastname@example.com
Lawsuit Seeks Plan to Recover Highly Endangered Alaska Whale
ANCHORAGE, Alaska— The Center for Biological Diversity today filed a formal notice of intent to sue the National Marine Fisheries Service for failing to develop a recovery plan under the Endangered Species Act for the highly endangered North Pacific right whale. The North Pacific right whale is thought to be the most endangered large whale in the world, with as few as 30 individuals in the Bering Sea and Gulf of Alaska and perhaps a few hundred in Russia's Okhotsk Sea.
"North Pacific right whales lead a precarious existence," said the Center's Alaska Director Rebecca Noblin. "Without the full protections of the Endangered Species Act, including a strong recovery plan, these whales will live on only in history books."
Under the Endangered Species Act, the National Marine Fisheries Service is required to issue and implement a plan for the conservation and recovery of the North Pacific right whale. Although the whale has been listed as endangered as a "northern right whale" since 1973 and since 2008 as a species in its own right, this critically endangered whale has no recovery plan.
"Recovery plans are essential to saving struggling species and helping them recover to the point where they no longer need to be listed under the Endangered Species Act," said Noblin. "Studies have shown that species with recovery plans are far more likely to be on the road to recovery than those without."
Called right whales because they were the "right whale to hunt," North Pacific right whales numbered as many as 20,000 before the advent of commercial whaling. Today the few remaining individuals are extremely vulnerable to ship strikes, oil development and oil spills, and entanglement in fishing gear. With so few North Pacific right whales in existence, the loss of even one whale could threaten the entire population.
"There is no excuse for failing to implement a North Pacific right whale recovery plan," said Noblin. "The Endangered Species Act does not allow government agencies to simply give up on a species in dire straits. On the contrary, the National Marine Fisheries Service has a duty to do everything it can to bring the North Pacific right whale back from the brink of extinction."
Today's 60-day notice of intent to sue is a prerequisite to filing a lawsuit under the Endangered Species Act.
To read more about the Center's work to protect right whales, read our webpage.
The Center for Biological Diversity is a national, nonprofit conservation organization with more than 350,000 members and online activists dedicated to the protection of endangered species and wild places.
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subset: commoncrawl


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3, 2, 1! Select the right rocket and reinforce your knowledge!
With Fill the Gap, the learner completes a series of sentences with their missing word. For each sentence, three annotated rockets run through the screen from bottom to top. The learner selects the rocket with the correct word. He succeeds or not the activity according to the score reached at the end of the given time.
Academic purpose
Fill the Gap is designed to validate what has been learned. It is proposed in the Practice phase of the ELPA cycle, to evaluate and consolidate knowledge.
Fun level:
Suitable for Badge, Score, Shake'n'Learn features: yes
Live!: yes
Available medias: no media
Web app compatible: yes
- Timer
- Score, in the form of a progress bar. It turns green for each correct answer and red for each incorrect answer.
- Per sentence: 1 correct answer, 2 incorrect answers
- Sentences limited to 100 characters, answers limited to 13 characters
Customizable items
- Introduction card title*
- Introduction card text
- Game duration
- Number of questions per game session
- Number of questions to answer correctly to validate the activity (success threshold)
- Background image (.png / .jpg)
- Cursors images (.png)*
- Question sorting method*
- Conclusion card title*
- Conclusion card text displayed when faultless / success / fail*
Module type: training path
Upgrades history
* only available from 17.4 version


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In Brief: Montreal's new VR studio; CFC honours Conquering Lion
Global creative studio Framestore is expanding its operations in Canada, APTN launches two new series, plus more news.
Framestore launches VR Studio in Montreal
Framestore is expanding its operations in Montreal. The global creative studio is opening a VR studio in its Montreal office. The London, U.K-based company first launched Framestore VR Studio in New York in 2014 and has since added VR studios in its London and L.A. offices. The company has picked up several awards for its virtual projects, including the 2016 Cannes Lion Grand Prix in Mobile for GE's "Nature of Industry." Framestore VR Studio in Montreal will begin operations in the spring of 2017 and the company is currently on the lookout for a head of production, as well as several VR engineers. Framestore opened a Montreal office in 2013 and has worked on films such as Arrival and Fantastic Beasts and Where to Find Them (pictured: a VR experience created for the film).
Conquering Lion Pictures to receive CFC distinction
Producer Damon D'Oliveira, writer/director Clement Virgo and their production company Conquering Lion Pictures are to receive the 2017 CFC Award for Creative Excellence for their body of work, which includes miniseries The Book of Negroes and the 2007 feature film Poor Boy's Game. The Toronto-based company will be presented with the award by CFC founder Norman Jewison at a reception in L.A. on March 22. D'Oliveira and Virgo first met while participating in the CFC's inaugural Summer Lab in 1991, after which they went on to make their first feature film together Rude (produced by D'Oliveira and written/directed by Virgo). The company's latest project The Illegal, based on a novel by Lawrence Hill, is currently in development with the CBC.
APTN launches two new series
APTN is set to launch a new 13-episode docuseries in March. Tribal Police Files will debut on March 3 at 7:30 p.m. ET/MT/CT. Produced by host Steve Sxwithul'txw (Warrior Games), the series is executive produced by Patti Poskitt (Tempest Storm) and directed by Mary M. Frymire (For the Love of Elephants). It follows the Stl'atl'imx Tribal Police Service in Lillooet, B.C. as they respond to emergency calls. The network also recently launched kids-focused science series, Coyote's Crazy Smart Science Show. The 13-part series, which bowed Feb. 11, follows a team of student scientists as they conduct experiments, speak with indigenous scientists and elders and discover indigenous tech achievements. Created by director Loretta Sarah Todd, the series received $538,000 in CMF funding in 2015.


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Florida Historical Markers Programs - Marker: Seminole
You are currently viewing Seminole
Location:1700 French Avenue on grounds of Sanford Middle School
County: Seminole
City: Sanford
Description: Born in Potsdam, New York on May 2, 1824, French served as a Surgeon with the 21st and 35th New York Regiments, New York Volunteers during the early years of the Civil War. In 1863 he moved to Eau Clair, Wisconsin but susceptibility to rheumatism caused him to seek a warmer climate. French arrived in Sanford in the early 1870's coming up the St. Johns River on the steamship, Darlington. Soon thereafter, he bought 20 acres of land and built his house which stood on this land from 1872 until 1954. Part of the land was later donated by his son for a school on this site and the State Farmers Market. The street on which both are located has been known as French Avenue for many years. In 1876, Dr. French moved to Orange City in Volusia County and became involved in promoting the early settlement of the community. He served as a member of the Florida Senate in 1879 representing Volusia County and was appointed Florida's first Commissioner of Immigration for the years 1879 and 1880. About 1881, he moved back to his house in Sanford. He was a Mason, and a member of the Grand Army of the Republic, and owned citrus groves and property throughout Central Florida. Dr. French died in Sanford on January 29, 1896.
Sponsors: The Seminole County Historical Commission in Cooperation with the Florida Department of State
Location:520 East First St. In front of the Sanford Museum,
County: Seminole
City: Sanford
Description: In this vicinity, Henry Shelton Sanford, pioneer citrus grower, established the St. Gertrude grove in 1871. There, and at his Belair grove and experimental gardens, he advanced the industry through development of some 140 types of citrus. The Sanford gardens experimented with other tropical fruits, planting 30,000 exotic trees from South America and Africa. Much of the labor in the groves was performed by Swedish immigrants who settled at nearby New Upsala.


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The living room is bright
60-450w, the living room area generally accounts for the main proportion of the total area of the house, so the demand for light wattage is relatively high, requiring it to ensure the lighting under the premise of the living room is transparent and bright and generous is also particularly important.
The bedroom is soft and warm 13-50w, the bedroom light requirements soft, easy to create a warm atmosphere; there should be no glare of light to make people more likely to sleep, so the requirements of the low wattage of light.
The kitchen is bright enough
3-38w, because people in the kitchen will be carried out for a long time the length of labor, vegetables and other fine action on the light requirements are relatively high. It is necessary to ensure that the kitchen without leaving the dark area, but also to reduce the inconvenience and danger when cooking, so need to choose the light more adequate light.
The number of elderly housing tile high
25-100w, the elderly decreased vision, feel the light is far less than the young people. The elderly need more bright lights to protect things to see things, so the need to select the high wattage of light.
Children's room wattage is low
13-70w, children room room need to choose a soft light, the room is too bright light will stimulate the eyes and thus affect sleep, and low brightness light is conducive to cultivating children's sleep, so to choose low wattage of light.


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Insiders have still maintained a bright prospect ahead for the future development of Vietnam's wind power market, regardless of the considerable challenges facing wind power projects.
Nguyen Quang Minh from the Electricity Regulatory Authority of Vietnam speaks at the workshop.
During the Vietnam Wind Energy Summit 2019 held in Hanoi on March 13, Nguyen Quang Minh, deputy head of the Power System Department under the Electricity Regulatory Authority of Vietnam, asserted that the country has considerable potential for wind power development through both medium and small - sized wind turbines.
Minh added that central and southern coastal areas have the highest potential to expand wind power projects, stressing that huge potential remains for offshore wind power.
He noted that at present there are seven wind power plants operating across the country with a combined capacity of 270 MW. Furthermore, there are as many as 11 provinces, mostly located in the central and southern regions, which have technical wind potential aggregating to 23,000 MW. To date, the total capacity of wind power projects approved in these localities has only reached 4,000 MW.
Under Decision 39/2018/QD-TTg by the Prime Minister dated September 10, the feed-in tariff (FiT) for wind power increases from US cents 7.8/kWh to US cents 8.5 for onshore generation, and a further US cents 9.8 for offshore, respectively. This decision took effect as of November 1, 2018.
Since the decision came into force, local competent authorities have received a number of proposals on how to enact wind power projects. Currently up to 7,000 MW have been submitted for approval to the power master plan.
According to Minh, there are big opportunities to expand the wind power market which is poised to benefit from a string of favourable conditions.
He said that the domestic demand for electricity is estimated to rise by 10.6 per cent by 2020, 8.6 per cent by 2025, and 7.4 per cent by 2030. The country has shelved plans to construct nuclear power plants while traditional power plants are suffering as progress on their development stalls.
However, vague legal regulations pose an obstacle for the expansion of wind farms.
Minh pointed blames for the unclear clauses and subsequent implementation of the Planning Law. He noted that under Decision No.39, FiTs are valid until November 1, 2021 without short- or long-term rates, while there is a lack of a national body empowered to take on a strong control function.
A limited connection capacity and network also remains another issue as there exists a conflict over defining the priority to which solar and wind power projects would being added first to the power master plan, Minh said.
There is also a lack of equipment and service providers and technical standards set on the equipment used in wind energy, he stressed.
According to Le Hoang Nam of the Power Market Department of Vietnam Electricity group (EVN), the country, in the light of the revised Power Master Plan VII, is projected to increase its total wind capacity to 800 MW by 2020. The figure is set to climb to 2,000 MW by 2025 and 6,000 MW by 2030.
However, the total capacity of wind power projects that operate in accordance with the power purchase agreements signed by the power project developers and the EVN has so far amounted to 834.2 MW.
Manchang Wang, Chairman of the China-based CSIC Haizhuang Windpower Co., Ltd, said his firm wishes be part of the bright future ahead for the country's wind power market.
Currently the country's wind power market is undergoing a period of rapid growth. However, it is facing several challenges, including capital mobilisation, facilities and equipment, and engineering, Wang said.
He underscored the need to provide customized services to wind power projects.
The businessman noted that Vietnam is home to some of the biggest wind resources in Southeast Asia, adding that the country is also a potential market for large-scale expansion of offshore wind power farms while local onshore wind power projects are still listed in the IEC (International Electrotechnical Commission) III category.
He mentioned that although the cumulative installed capacity remains small, his firm believes that the above-mentioned three figures, as stated in the revised Power Master Plan VII, can be fully fulfilled thanks to a range of factors. These include huge wind potential, relatively appropriate electricity tariff policies, and clear planning by the Government.
Hong Quang


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Brockton man sought for role in Red Line attack on man accused of upskirting
Transit Police report they are looking for Nicholas Dercolo, 18, of Brockton, on a charge of assault and battery on an elderly person for an incident on a Red Line train at South Station on June 11.
Tukan Manley, 31, of Boston, was arrested on charges he beat up and strangled the man, 66, after a woman sitting across from him accused him of photographing her crotch. Videos showed another man, apparently Dercolo, joining in the attack.
Anybody with information on Dercolo's whereabouts can contact detectives at 617-222-1050 or text an anonymous tip to 873873.
Innocent, etc.
Subway Vigilantes
From now on your motto should be "See something do nothing." On a serious note is true that the policy of the MBTA when a brawl breaks out on a train that an official is sent to observe and report before they call the police so they can keep the trains moving.
Well, maybe there are options other than "nothing" or "beatdown"
If you think someone's creeping, getting in their way and/or returning the favor by taking an identifiable pic of them are certainly more reasonable strategies.
No to vigilante justice
I am forms of vigilante justice.
Anyone who put their hands or the man accused of up skirting should be charged to the fullest extent of the law.
Like an internet you cannot always believe what is being said but should always look into what is being said. No action should happen until things are carefully looked into or investigated
Maybe Not
If we are to believe what TV news says, there was one channel that interviewed the so-called "up-skirter." His phone was checked by the MBTA police and he voluntarily showed everything and there were no illegal images on the phone.
We read that the passengers were upset about these allegations, but was it just that he was taking pictures in general.
Have we not all seen the "People of the MBTA" page on Facebook (if it's still there) which rivaled the "People of Walmart" pages?
There are plenty of people that think it is illegal to take a picture of anyone without permission, yet the law says if you are in a public place you are subject to being photographed by anyone.
If there was a suspicion that this guy was doing something wrong, you have the operator stop the train and call the T police and turn them in. You don't take the law into your own hands and administer swift and punitive justice.
The people that beat up on this guy may face serious assault charges. and if the victim gets a sharp lawyer that is looking for a pay day, then they could seek federal charges for interdicting his photography which would be a free press violation.
There is a lesson to be learned from this on both sides.
Not that long ago rail fans taking pictures in public places were being stopped by local, state, and federal police for taking legal images from legal land points. Somewhere along the line someone decided such imagery was against the Patriot act. Problem is, they were wrong. The rail photographers, many who make their living by publishing books of rail photography fought back, and in some regions are still fighting.
The MBTA was at one time trying to prohibit all photos inside their system but then found that passenger images of gropers was a great evidence tool to have. You can't have it both ways. The T does LIMIT photography from a safety standpoint, but they cannot prohibit it. When you run into an employee that says it is illegal, they are not informed. They may be fearing you are photographing them doing something wrong. Lots of that out there still as well.
So before everyone gangs up, you are not the police collecting the evidence.
Adam hosts a respite for an
Adam hosts a respite for an awful lot of angry, disturbed people who consider themselves victims.
The T does LIMIT photography
The T does LIMIT photography from a safety standpoint
What are the limits, specifically?
There are plenty of people that think it is illegal to take a picture of anyone without permission, yet the law says if you are in a public place you are subject to being photographed by anyone.
I believe you are correct. I've occasionally been in the situation of taking photos in a public place (with an obvious "real camera" with a long lens barrel, not with a smartphone) and although I wasn't trying to photograph anyone in particular, some of the people in the shot thought I was out of line. (I was probably 50 or 100 feet away, not sticking the camera in their face.) I'm frankly not sure what, if any, federal/state/local laws might apply, but AFAIK I was doing nothing illegal. Possibly my behavior was obnoxious, I hope not, but my intentions were purely artistic.
I have to wonder whether this guy was actually creeping, or the woman just assumed he was. Makes a big difference.
What I wanna know is, who
What I wanna know is, who does his eyebrows?
These guys
did the right thing. A beating is the only thing that will deter these perverts from harassing women in the future. Imagine if it was your daughter, wife or sister being photographed in that way. Would you do nothing to protect them?


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1,178 total views, 1 views today
13 Comments
Wow – what a cool effect, and so beautiful in your hands, Keren! Love the Blue Lagoon on the "happy" – looks amazing.
Sorry to be so behind… life is slowly getting back to normal after the big house move (clearing and leaving the family home of 40 years), so I'm looking forward to doing some catching up over the next days and weeks!
Alison xx
Keren this layout looks amazing, I love what you've done inside the stencil and the colour choice is brilliant, love it.
Wowwwwwwwwwww!! This is gorgeous!! I love love love love the colors and all those circles!!!!!!
Wow. Super fun background! LOVE the colours!
Okay, this one is my new favourite of yours!!! Wow, wow and WOW!!!
Love this page….it's beautiful and I really love the styling! Beautiful work with the Shimmerz…must really make a plan to get some!
This looks stunning, I love your back ground and love those colors together.. love the circle photo placed so well in the centre too…
I love that stencil with the pain in it… Beautiful….. So much to look at on your layouts. I just love them. 😀
WOWZER Keren!… This layout is so beautiful!… I love the background and the colors too!!! You are just genius!…. hugs…x
Keren, this page is stunning! a real eye candy. Love it!
Oooooh LOVE these colours Keren! sure is eye candy, not only that – a whole candy store! This one looks absolutely stunning!! xoxo
I think you already know I am over the moon with this one! The spheres, the colors and great artistry! Not to mention a cute photo!
This is very creative & I am predicting a pattern come back. I am seeing more & more people adding more design to their back pages & using printed paper as their backing sheet!


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Low-Dimensional Carbon Nanomaterials 2012View this Special Issue
Research Article | Open Access
Critical Dispersion Distance of Silicon Nanoparticles Intercalated between Graphene Layers
Nanocomposites of silicon nanoparticles (Si NPs) dispersed in between graphene layers emerge as potential anode materials of high-charge capacity for lithium-ion batteries. A key design requirement is to keep Si NPs dispersed without aggregation. Experimental design of the Si NP dispersion in graphene layers has remained largely empirical. Through extensive molecular dynamics simulations, we determine a critical NP dispersion distance as the function of NP size, below which Si NPs in between graphene layers evolve to bundle together. These results offer crucial and quantitative guidance for designing NP-graphene nanocomposite anode materials with high charge capacity.
Rechargeable lithium-ion batteries with high energy capacity and long cycle life are in great demand for applications such as portable devices and electric vehicles [1–3]. Silicon has the highest known theoretical charge capacity, more than ten times higher than the existing graphite anodes [4]. However, the huge volume changes (up to 400%) of silicon upon charging/discharging cause its pulverization and capacity fading, posing a significant challenge to use silicon as anodes [4, 5]. Nanocomposites of silicon nanoparticles (Si NPs) dispersed in between graphene layers are emerging as a novel and promising solution to high-performance Si-based anode materials [6, 7]. Nanoscale silicon materials (e.g., nanoparticles and nanowires) have been shown to be able to sustain much larger volume change without pulverization than their bulk counterpart [6, 8]. The graphene layers of high mechanical flexibility and large surface area serve as a percolating scaffold network to help accommodate the volume change of the Si NPs during charging/discharging and ensure facile electron transport. A key design requirement of such nanocomposite anode materials is to keep the Si NPs evenly dispersed in between the graphene layers [6, 9]. Given their huge surface area over volume ratio, Si NPs that are too close to each other tend to bundle together to reduce surface energy. The aggregations of the Si NPs become more prone to pulverization than dispersed Si NPs. On the other hand, the charging capacity of the nanocomposite anode material scales with the total volume of the Si NPs that can be dispersed in between the graphene layers. Therefore, the optimal design of Si NP-graphene-based anode materials hinges upon determining the maximum dispersion density of the Si NPs in the graphene layers without Si NP aggregation. Such a critical dispersion of the Si NPs in the graphene layers remains elusive so far, as most experimental studies in this regard are largely empirical [6, 7]. To address such a crucial but large unexplored issue, in this paper we conduct extensive molecular dynamics simulations to determine a critical dispersion distance of the Si NPs as the function of NP size, below which Si NPs in between two graphene layers evolve to bundle together.
The dispersion of the Si NPs in between graphene layers is governed by the energetic interplay between the graphene layers and the Si NPs [10]. The typical size of the Si NPs dispersed in between graphene layers is a few nanometers in diameter, much larger than the equilibrium graphene-graphene interlayer distance (~0.34 nm). As a result, the graphene layers are locally separated by the Si NPs and assume corrugated morphology to wrap around the Si NPs [6]. Such corrugated morphology of the graphene layers results from the following energetic interplay. On the one hand, the graphene-graphene interlayer interaction is mainly van der Waals type. Therefore, the graphene layers tend to assume their equilibrium distance to reduce the interaction energy. On the other hand, the corrugation of graphene layers due to Si NP intercalation causes the bending and stretching of the graphene, and thus leads to an increase of the graphene strain energy. The tighter the graphene layers wrap around the Si NPs, the higher the resulting graphene strain energy, and the lower the graphene-graphene interaction energy. The equilibrium morphology of the graphene-NP structure is dictated by minimizing the total free energy of the structure, which includes two dominant contributions, that is, the graphene strain energy and the graphene-graphene interaction energy. Given the large in-plane dimension of the graphene (on the order of microns or higher), the weak interaction between the graphene and Si NPs (also van der Waals type) is of secondary significance in the total free energy. So is the strain energy of the Si NPs, which is negligible due to the weak graphene-Si interaction and out-of-plane flexibility of the graphene.
We first conduct molecular dynamics (MD) simulations to determine the equilibrium morphology of the graphene layers with a single Si NP intercalated in between, which corresponds to the limiting case when the Si NPs are widely dispersed in between graphene layers, thus the interaction among Si NPs is negligible. In consideration of the computational cost, we model a graphene bilayer with a Si NP intercalated in between, corresponding to the two closest neighbor graphene layers that wrap around the Si NP in a real material. Such a simplified model can capture the dominant energetic interplay, given that the graphene-graphene interlayer interaction decays quickly as their distance increases, and thus the contribution from the next neighbor graphene layers to the interaction energy is of secondary significance.
In the MD simulations, each graphene layer has a size of 50 nm by 70 nm. Single-crystal Si NPs of various diameters (i.e., 2~6 nm) are used to study the effect of NP size on the corrugated graphene morphology. The carbon–carbon (C–C) covalent bonds in the graphene are described by the adaptive intermolecular reactive bond order (AIREBO) potential [11]. The nonbonded graphene-graphene interlayer interaction and the graphene-Si interaction are described by two Lennard-Jones pair potentials [12], and , respectively, where, , , and . To reduce the computation cost, the Si NP is assumed to be rigid (i.e., whose bonding energy remains as a constant). In each MD simulation case, the graphene bilayer, with free boundary conditions for both layers, is prescribed with an initial morphology that, near the Si NP, it bulges out into a conical dome in each layer to house the Si NP inside and far away from the Si NP, it remains flat with an interlayer distance of 0.6 nm. The Si NP is first fixed, and the graphene bilayer is equilibrated for 30 ps to minimize the dependence of the final results on the initial prescribed morphology, then the Si NP is set free to evolve with the graphene bilayer until an equilibrium is reached. The MD simulations are carried out using LAMMPS with Canonical Ensemble at temperature 300 K and with time step 1 fs.
Figure 1 shows the simulated morphology of graphene with a single Si NP intercalated in between of various diameters, , and, respectively. For visual clarity, the top panel in Figure 1 shows the top graphene layer and the bottom one shows the Si nanoparticle and the bottom graphene layer. If the Si NP is small (e.g., ), each graphene layer bulges out into a dome to wrap around the Si NP. As the size of the Si NP increases, the graphene layers start to form ridged morphology to wrap around the Si NP. The locations of such ridges are approximately complementary in the top and bottom graphene layers. The formation of ridged morphology in the graphene bilayer can be understood as follows. As the size of the Si NP increases, forming a smooth conical dome in each graphene layer to wrap around the Si NP requires accommodating the out-of-plane deflection of the graphene bilayer through the in-plane stretching in radial direction and compressing in hoop direction of the graphene bilayer. Such in-plane deformation of the graphene is energetically unfavorable, given graphene's ultrahigh in-plane stiffness. By contrast, given the much amenable out-of-plane flexibility of graphene, accommodating the out-of-plane deflection of the graphene bilayer by bending each graphene layer to form ridges corresponds to a lower total free energy state, thus is more favorable.
We next consider how the structural morphology of the Si NP-graphene nanocomposites evolves as the dispersion distance between the Si NPs varies. To capture the dominant underlying physics of such a morphologic evolution within reasonable computation cost, we model a graphene bilayer with two neighboring Si NPs intercalated in between. Similar materials parameters and numerical strategy as those described above are used in the MD simulations. For a given Si NP size, MD simulations are conducted over a range of Si NP dispersion distance. Two modes of morphologic evolution emerge from the simulations, as illustrated in Figure 2. If the dispersion distance between Si NPs, denoted by , is sufficiently large (e.g., = 37 nm for ), the graphene bilayer in between two neighboring Si NPs is first corrugated to form a long tunnel (Figure 2(b)). The tunnel formation, however, results in increased strain energy in the graphene, therefore is energetically unfavorable. As a result, the long tunnel in the graphene bilayer evolves to disappear, preventing the two Si NPs to migrate toward each other (Figures 2(c) and 2(d)). At equilibrium, the Si NPs remain dispersed and are individually wrapped by the graphene (Figure 2(e)). The corrugated morphology of the graphene near each Si NP is similar to that depicted in Figure 1. If the dispersion distance between the Si NPs is small (e.g., = 25 nm for ), the corrugated graphene bilayer between the two neighboring Si NPs can form a short tunnel, which facilitates the migration of the two Si NPs toward each other. As the two Si NPs evolve to come closer, the length of the tunnel becomes shorter (e.g., Figures 2(h) and 2(i)), resulting in a decrease of the strain energy of the graphene, which is thus energetically favorable. Eventually, the two Si NPs evolve to form a bundle, which is wrapped together by the graphene bilayer (Figure 2(j)).
Also emerging from extensive MD simulations is a critical dispersion distance of Si NPs,, above which the Si NPs remain dispersed and below which the Si NPs evolve to bundle together. Figure 3 plots as a function of the diameter of the Si NP, . There is an approximately linear dependence of on , that is, . Results in Figure 3 can serve as guidance for the material and structural design of Si NP-graphene nanocomposites as anode materials for lithium-ion batteries. For example, for a given design criteria of charging capacity, the maximum volume expansion of the Si NPs upon lithiation can be estimated. The corresponding enlarged size of the Si NPs, instead of the size of pristine Si NPs, should be used to determine a critical dispersion distance to prevent the aggregation of the Si NPs.
In summary, we conduct extensive MD simulations to investigate the morphologic evolution of Si NPs intercalated in between graphene layers, from which a critical dispersion distance of the Si NPs can be determined below which neighboring Si NPs evolve to form a bundle. A roughly linear dependence of the critical distance of the Si NPs on its size is revealed. The ridged morphology of graphene has been observed in recent experiments of substrate-supported graphene with NPs intercalated between the graphene and the substrate [13]. It is further shown that tunneling ridges form between NPs below a critical dispersion distance of the NPs, though the rigid substrate to some extent inhibits the neighboring NPs evolving to bundle together. In our MD simulations, we consider the interaction between two closest neighbor NPs of same size intercalated between graphene layers. In real materials, the variation of the NP sizes and the randomness of the NP distribution render more complex morphologic features that pose significant challenge to be characterized solely by modeling. Nonetheless, results from the present study captures the dominant underlying energetics of NP intercalated in between graphene layers. Furthermore, since the graphene-NP interaction is of secondary importance in determining the corrugated graphene morphology, results from the present study are generally applicable to graphene layers with other anode materials in NP form (e.g., SnO2 and TiO2) intercalated in between [14–16]. While the mechanistic understanding and quantitative determination of the critical dispersion distance of Si NPs intercalated between graphene layers shed crucial light on optimizing the design of Si NP-graphene nanocomposites as the high-performance anode materials in lithium-ion batteries, systematic experimental explorations are desirable to validate and further leverage the full potential of the present study.
This paper is supported by National Science Foundation (Grants no. 1069076 and no. 1129826) and a UMD GRB Summer Research Award. The authors acknowledge the constructive comments from anonymous reviewers.
Supplementary Materials
Two videos showing the morphologic evolution of the Si NP-graphene system corresponding to the dispersed and bundled cases as illustrated in Figure 2(a)–(e) and (f)–(j), respectively.
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We do our best to offer good tips on public relations here on our blog. We also have a subscriber newsletter. Our January issue is filled with tips to make news during the months of January and February.
If you'd like to take a peek at this month's subscriber newsletter, send your email address to us at email@example.com, mention this blog and we'll send you a copy.


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American Stock Dog Registry Scholarship Program
$500 cash Scholarship (to be used as needed)
To be awarded yearly to someone who has participated in American Stock Dog Shows and has been accepted to continue their education in either College or Trade School. Special consideration given to graduating seniors but older will be considered. We also will consider renewals of past scholarship winners.
Applicant must complete the following information and write a short essay. In the essay they must state the goals they are aiming for, why they feel they are deserving, as well as a description of how they have helped with dogs and dog shows that they have participated in. Deadline each year is April 15, with announcement on May 1.
2017 American Stock Dog Registry Scholarship
Sondra and I are happy to announce that the 2017 ASDR Scholarship will be awarded as a renewal of Kyla Zamora's 2016 scholarship. Kyla has had a great year at New Mexico Junior College in Hobbs, NM, where she has maintained a high grade point average and perfect attendance along with a job. We have gotten updates regularly from her very proud mom—Carol Zamora.
My name is Kyla Zamora. I am the 20-year-old daughter of Randy and Carol Zamora. I am finishing up my second semester of college at New Mexico Junior College in Hobbs New Mexico and have been holding a 3.8 GPA and a perfect attendance. My plan is to take a few extra classes this summer to get my phlebotomy license. In the fall semester I will be taking 16 credit hour and plan to graduate next May with Associates degree in business. Then I plan to transfer to the University of New Mexico to get my bachelor degree in business. I would like to thank everyone for your support hope to see everyone soon.
Class of 2016: Kyla Zamora
My name is Kyla Zamora. I am the 19 year old daughter of Randy and Carol Zamora. The way my family's kennel has inspired me in so many, ways that will help me in the future and maybe one day I hope to have my own kennel.
Throughout my high school career I have participated in , 4-H, FFA, youth director of CGRA (2012), De Baca County Fair Queen in 2014 and New Mexico High School Rodeo. My first show was in Tucson AZ with IABC, where I got my
first championship title and won junior handler with my toy Australian Shepherd. I've also participated in ICE. We attended our first ASDR show in Lubbock TX in March of 2015, when I started showing my Pembroke Welsh Corgi. In October of 2015 we hosted show in Belen NM. I also attend the ASDR Invitational Dog Show in Las Vegas NV.
I've been accepted to New Mexico Junior College, in Hobbs NM and will be attending this fall. I will be focused on studies related to the medical field.
Thank you for your consideration.


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To play along in our challenge, upload a photo of your project and provide a direct link in the linky widget at the bottom of this post. If you use an online gallery (e.g. Splitcoast), please also use the Keyword SCRSC05. If you have a Facebook account and are a fan of Sparkle Creations Rubber Stamps, you can also upload there. Deadline for this week's challenge is Sunday, August 15 @ 9 PM PST.
Our challenge is open to all players. Each week a random winner will be chosen, and this week's winner will receive the adorable Lantern Rin rubber stamp. In order to qualify for a prize, you must use a Sparkle Creations image on your creation. Most importantly, have fun! We can't wait to see your creations!
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Seabrook Designs
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Tough traffic EB: Vail, Frisco, Silverthorne see closures
VAIL – An 11:15 p.m. safety closure at Frisco Sunday is the latest in a long line of closures weekend travelers are facing on I-70 as heavy snowfall makes driving conditions difficult. Traffic on I-70 has reopened after being halted eastbound at Silverthorne due to safety closure that went into effect at 9:45 p.m. on Sunday evening.
The interstate has seen multiple closures in both directions Sunday, but as the night wears for motorists those headed eastbound are facing the worst of the delays. Vail opened eastbound at 7 p.m. after being closed multiple times throughout the day, but Denver-area travelers headed home who didn't get through the 7 p.m. opening quickly faced another delay at Silverthorne as multiple vehicles sliding off the road forced the Colorado Department of Transportation to issue a safety hold on I-70 eastbound at mile marker 205. That closure was in effect until about 11:30 p.m. on Sunday, and before it reopened another safety closure had gone into effect on I-70 eastbound at Frisco at about 11:15 p.m. Stay tuned to vaildaily.com for updates on that closure.
Earlier Sunday, the Vail area saw multiple closures both westbound and eastbound as heavy snowfall hit the Vail Pass area. A traction law remains in effect for all passengers.
Eagle County housing group report cites difficulties in creating more units
We all know Eagle County is short on workforce housing. But a recent report shows there are still barriers to building.