Particles can interact with light by either absorbing or emitting photons. The atoms in a gas which are emitting radiation will have a distribution of velocities. "Skin"&colon; fabrics based upon light emitting and conductive polymers and organic computer devices. Facets in shadow will be emitting radiation. As a consequence of humans emitting greenhouse gases, global surface temperatures have started rising. Uranium decays slowly by emitting an alpha particle. It is emitting polarized light because of this. Portions of the wick that are not emitting vaporized fuel are consumed in the flame. Every object was continually emitting particles from itself that would then interact with the observer. At solar maximum, the poles were also emitting a slow solar wind. Water deer are capable of emitting several sounds. In the U.S., air purifiers emitting low levels of ozone have been sold. The report also noted that the volcano was still emitting gas at the time. Firestorm tells everyone that Superman is emitting Kryptonite.