Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
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An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
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It takes six months to build a Rolls Royce...and 13 hours to build a Toyota.
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There's a Mumbai-based pizzeria that now delivers pizza by drone.
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Jumbo jets use 4,000 gallons of fuel to take off.
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The first alarm clock could only ring at 4 a.m.
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A small airplane can fly backwards.
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Energy is being wasted if a toaster is left plugged in after use.
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