Whale oil was used in automobile transmissions as late as 1973.
56
More than a billion transistors are manufactured every second.
-25
Jumbo jets use 4,000 gallons of fuel to take off.
19
A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47
Any modern jet is capable of breaking the sound barrier.
34
A toaster uses almost half as much energy as a full-sized oven.
33
The American Automobile Association was founded for the sole purpose of warning motorists of police speed traps!
36