Car airbags kill 1 person for every 22 lives that they save.
80
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
Castor oil is used as a lubricant in jet planes.
-5
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
Mico headphones read your brainwaves and select music based on your state of mind.
7
Kissenger is a pig-shaped robotic device that lets you kiss someone over the internet.
5
More than a billion transistors are manufactured every second.
-25