Why It Was Almost Impossible to Make the Blue LED
37:03
Something Strange Happens When You Follow Einstein's Math
27:15
The Most Misunderstood Concept in Physics
18:32
The billion dollar race for the perfect display
52:57
Turning styrofoam into cinnamon candy
31:55
Exposing The Flaw In Our Phone System
3:29:21
Magnificent Three: Cities that Shaped History
23:39
I sent robot forgeries to a handwriting expert
13:06