The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
Originally, BMW was an airplane engine manufacturer.
69
Google founders Sergey Brin and Larry Page have expressed their desire to see the search engine become artificial intelligence itself. To achieve that goal, they created the highly-protected “X lab.”
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A toaster uses almost half as much energy as a full-sized oven.
33
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47
Jumbo jets use 4,000 gallons of fuel to take off.
19
Originally, Nintendo was a playing card manufacturer.
70
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12