The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
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
Surgeons who grew up playing video games make 37 percent fewer mistakes.
250
The normal static electricty shock that zaps your finger when you touch a doorknob is usually between 10,000 and 30,000 volts!
60
The cigarette lighter was invented before the match.
210
Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144
Jumbo jets use 4,000 gallons of fuel to take off.
19
The first alarm clock could only ring at 4 a.m.
120