The normal static electricty shock that zaps your finger when you touch a doorknob is usually between 10,000 and 30,000 volts!
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There's a Mumbai-based pizzeria that now delivers pizza by drone.
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A toaster uses almost half as much energy as a full-sized oven.
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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).
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Jumbo jets use 4,000 gallons of fuel to take off.
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Henry Ford produced the model T only in black because the black paint available at the time was the fastest to dry.
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