Sean Ross is a strategic adviser at 1031x.com, Investopedia contributor, and the founder and manager of Free Lances Ltd. Robert Kelly is managing director of XTS Energy LLC, and has more than three ...

Atomic and molecular collision processes are the physical interactions of atoms and molecules when they are brought into close contact with each other and with electrons, protons, neutrons or ions.

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

As has been emphasised by Prof. Pringsheim in his recent admirable report on the Raman effect (Die Naturwissenschaften, Aug. 3, 1928), there is a far-reaching and fundamental analogy between the ...

Learn how to create a realistic Spider-Man web-slinging effect in After Effects! This tutorial covers everything from creating the web shape to adding movement and elasticity. Perfect for beginners ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...