With humor and charm, mathematician Eduardo Sáenz de Cabezón answers a question that’s wracked the brains of bored students the world over: What is math for? He shows the beauty of math as the backbone of science — and shows that theorems, not diamonds, are forever. In Spanish, with English subtitles.
Crazy Circle Illusion
Here is another crazy circle illusion by Brusspup. Look at those dots! These eight dots seem to be doing a circular movement!