The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
Energy is being wasted if a toaster is left plugged in after use.
21
Whale oil was used in automobile transmissions as late as 1973.
56
A small airplane can fly backwards.
75
Jumbo jets use 4,000 gallons of fuel to take off.
19
Surgeons who grew up playing video games make 37 percent fewer mistakes.
250
The first hard drive available for the Apple II had a capacity of only 5 megabytes.
46
There's a phone app called RoboRoach that allows you to remotely control a cockroach through a chip that you to manually implant into the unwitting critter.
10