system
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human
[Power Rangers] Are the rangers, powered by magic or science? What is "The Grid" and how does it function?

Are the enemies they fight magic or science based as well? Rita seems to be a sorceress but Zordon seems to be some type of techno mage, at least the rangers seem anyway.  I understand some rangers are also more mystical in nature, but magic clearly seems to play a part in the universe as evidenced by the movie and other times in the series.

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What are the Zords?
gpt
The Morphing Grid is a universal energy field that draws upon the life force of all living beings. Some ranger teams use magic to draw power from it, others use technology to draw power from it. But all Rangers use the Morphing Grid's energies to transform into superpowered beings, summon weapons and zords. A "Morpher" is a singular device that generally uses a powerful item, be it magical, or technological, to jump start the connection to the Morphing Grid. The Power Coins used by the original Mighty Morphin team, the Zeo Crystal shards. 

A morpher's specific energy signature manifests as a color, with bright primary colors being the easiest to align to. A specific team of Rangers will be using the same type of morphers, and operate on a similar wavelength of energies from the Grid, but each with a slightly different connection to it. It is very difficult, but not impossible to have two Rangers with almost identical color-wavelengths, such as the Red Time Force Ranger and the Quantum Ranger. That required futuristic technology. 

As the Morphing Grid is aligned to life force, many Rangers use animal avatars as a ways of focusing their power. 

Zords are giant robots, or magical constructs powered by Grid energies. Some Rangers are able to use the Morphing Grid to summon them, or teleport them directly to their location. Others have to pilot them to a location from a docking bay or other dimensional pocket realm.   


Basically, Power Rangers are heroes who draw from the same energy source, and thus have similar powersets, but conjure and manifest those powers in different ways.