What Is The Area? Challenge From Croatia

5:07
The smartest students solved this by thinking of pizza

9:26
What is the area of the square?

10:45
Very few people can solve. Which martini glass is closest to 1/2 full?

19:37
Is this the Coolest Approximation for e?

11:39
Banned Google Interview Question

21:01
Watch Trudeau speak directly to Trump during blistering speech

22:43
How to Design the Perfect Shaped Wheel for Any Given Road

15:32