It takes six months to build a Rolls Royce...and 13 hours to build a Toyota.
93
The life boat was patented in 1845!
29
Scientists in China have built a prototype high-speed maglev train that is theoretically capable of reaching speeds of up to 1,800 mph (2,900 km/h).
1
The IRS processes more than 2 billion pieces of paper each year.
28
Mico headphones read your brainwaves and select music based on your state of mind.
7
More than a billion transistors are manufactured every second.
-25
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12