Instructional Video4:12
Curated Video

The Media Got The Math WRONG - The Golden Ratio

6th - 11th
15-year old Joseph Rosenfeld thought he spotted an error in the Boston Museum of Science. The exhibit Mathematica has a sign that says the golden ratio is (√5 - 1)/2. He remembered and checked online that the golden ratio is supposed to...
Instructional Video7:40
Zach Star

What are the odds that 3 'random' points on a sphere will form an acute triangle?

12th - Higher Ed
What are the odds that 3 'random' points on a sphere will form an acute triangle?