Energy is being wasted if a toaster is left plugged in after use.
21
More than a billion transistors are manufactured every second.
-25
The United States produces enough plastic film annually to cover the entire state of Texas.
13
The cigarette lighter was invented before the match.
210
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
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
There’s an internet-enabled jacket which gives you a “hug” every time a Facebook friend likes your status.
12