Jumbo jets use 4,000 gallons of fuel to take off.
19
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 first hard drive available for the Apple II had a capacity of only 5 megabytes.
46
Car airbags kill 1 person for every 22 lives that they save.
80
Mico headphones read your brainwaves and select music based on your state of mind.
7
The first alarm clock could only ring at 4 a.m.
120


