Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I ...

The molecular hydrogen ion H₂⁺ is the simplest molecule. This simplicity makes it a perfect study object for physicists, as ...

Using simple mathematics, Simunek and Vackar can then calculate the material’s hardness. Using their equation, the researchers have also found an unexpected result that contradicts conventional wisdom ...

How do we know the mass of a planet originally appeared on Quora - the knowledge sharing network where compelling questions are answered by people with unique insights.

Students learn how to calculate the percent yield for a chemical reaction. Mass/Mass Stoichiometry: Problems and Percent Yield: Students learn how to calculate the percent yield for a chemical ...

In The Empire Strikes Back, Luke does a one-armed handstand with Yoda balanced on his foot. Using this, I can estimate the mass of Yoda.