Energy is being wasted if a toaster is left plugged in after use.
21
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
0
Jumbo jets use 4,000 gallons of fuel to take off.
19
A fully loaded supertanker traveling at normal speed takes a least twenty minutes to stop.
27
The cigarette lighter was invented before the match.
210
Henry Ford produced the model T only in black because the black paint available at the time was the fastest to dry.
33
