The first alarm clock could only ring at 4 a.m.
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Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
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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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Kissenger is a pig-shaped robotic device that lets you kiss someone over the internet.
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The blueprint for a floating city has just been approved by the largest port construction and design company in China. It's entirely self-sustainable, and extends underwater.
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