An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
The IRS processes more than 2 billion pieces of paper each year.
28
Mico headphones read your brainwaves and select music based on your state of mind.
7
Whale oil was used in automobile transmissions as late as 1973.
56
Any modern jet is capable of breaking the sound barrier.
34
If a car is travelling at 55 miles per hour it will travel 56 feet before the driver can shift his foot from the accelerator to the brake.
25
Originally, BMW was an airplane engine manufacturer.
69
