An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
0
A toaster uses almost half as much energy as a full-sized oven.
33
Scientists in China have built a prototype high-speed maglev train that is theoretically capable of reaching speeds of up to 1,800 mph (2,900 km/h).
1
Contrary to popular belief, putting sugar in a car's gas tank will NOT ruin its engine.
25
A small airplane can fly backwards.
75
Surgeons who grew up playing video games make 37 percent fewer mistakes.
250
A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
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