The IRS processes more than 2 billion pieces of paper each year.
28
Jumbo jets use 4,000 gallons of fuel to take off.
19
There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
A small airplane can fly backwards.
75
Whale oil was used in automobile transmissions as late as 1973.
56
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
Henry Ford produced the model T only in black because the black paint available at the time was the fastest to dry.
33
A Citreon 2CV with an oil leak once travelled 500 miles through Italy after its gearbox was filled with bananas!
16