If a non metal is not a good conducter, then it's considered a?

Is it possible to use the energy from two atoms colliding to create a clean burning lasting fuel source with a large amount of force? is it also possible to harness that energy from the two atoms colliding to create a clean energy source that will last for years from just two atoms colliding. is there a possibility to control and store that energy for years but slowly let the energy out enough to power cities cheaper and faster.

What are the similarities & differences between a thermistor and a light dependent resistor in physics?

Matter that emits no light at any wavelength is called