The cigarette lighter was invented before the match.
210
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
Sony researchers have developed a refrigerator that only opens when you smile.
9
Any modern jet is capable of breaking the sound barrier.
34
Surgeons who grew up playing video games make 37 percent fewer mistakes.
250
Contrary to popular belief, putting sugar in a car's gas tank will NOT ruin its engine.
25
