More than a billion transistors are manufactured every second.
-25
There are only 14 blimps in the world.
69
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
Whale oil was used in automobile transmissions as late as 1973.
56
Mico headphones read your brainwaves and select music based on your state of mind.
7
