How would the interference pattern produced by a diffraction grating change if the laser light changed from red to blue?

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 happens when you slowly pulled the carboard?

Which of the the following are examples of projectile motion of both projectile motion and two dimensional motion