george zaidan

French fries are delicious. French fries with ketchup are a little slice of heaven. The problem is it’s basically impossible to pour the exactly right amount. Ketchup can’t seem to make up its mind. Is it is a solid? Or a liquid? The answer is: it depends.

From the TED-Ed Lesson Why is ketchup so hard to pour? - George Zaidan

Animation by TOGETHER

youtube

The most adorable quantum physics lesson on the entire internet

The uncertain location of electrons - George Zaidan and Charles Morton