Castor oil is used as a lubricant in jet planes.
-5
Jumbo jets use 4,000 gallons of fuel to take off.
19
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4
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
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47
Car airbags kill 1 person for every 22 lives that they save.
80
UFO sightings have reduced by over 80% since the introduction of smartphones and public access to HD video.
2