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
A toaster uses almost half as much energy as a full-sized oven.
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The cigarette lighter was invented before the match.
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It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
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The first hard drive available for the Apple II had a capacity of only 5 megabytes.
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Sony researchers have developed a refrigerator that only opens when you smile.
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If a car is travelling at 55 miles per hour it will travel 56 feet before the driver can shift his foot from the accelerator to the brake.
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