Jumbo jets use 4,000 gallons of fuel to take off.
19
Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
0
Originally, Nintendo was a playing card manufacturer.
70
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
The blueprint for a floating city has just been approved by the largest port construction and design company in China. It's entirely self-sustainable, and extends underwater.
2
Energy is being wasted if a toaster is left plugged in after use.
21


