Whale oil was used in automobile transmissions as late as 1973.
56
A small airplane can fly backwards.
75
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
Any modern jet is capable of breaking the sound barrier.
34
Energy is being wasted if a toaster is left plugged in after use.
21
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
The Queen Mary - the grandest vessel of her day - had many of her vital components made by car manufacturer Skoda!
23