A bitcoin cannot be held in your hand. It does not represent a legal claim on a company, pay a dividend or give its owner a stream of rental income. There is no warehouse containing one bar of gold for every digital coin. Yet people exchang...
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Wi-Fi feels almost absurdly simple from the outside. Tap a network name, enter a password, and within seconds a phone can stream a film from a server thousands of kilometers away. No cable r...
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It is one of those rules that millions of Americans seem to remember learning without remembering who taught it: you cannot drive a car barefoot. Maybe a parent said it. Maybe a driving inst...
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A penguin standing on ice looks as though someone designed a bird with a torso, two feet and almost nothing in between. Its legs seem impossibly short, and when it starts walking, the famili...
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The internet has produced plenty of suspiciously convenient health claims, but few are as appealing as this one: every time you fart, you supposedly burn 67 calories. Repeat the process ofte...
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Taking a screenshot is one of the smallest computer skills imaginable — right up until you switch from a Mac to Windows, buy a keyboard without an obvious Print Screen key, or need to captur...
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Artificial intelligence used to be the sort of technology most people encountered without thinking about it. It filtered spam, ranked search results, recommended movies and helped cameras re...
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Type “What is my IP?” into a search engine and the answer usually appears before you even reach the first result: a string of numbers, or sometimes numbers and letters, identifying the inter...
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Watch a turkey closely and its stare can seem almost unnervingly steady. Its eyes sit high on the sides of its head, scanning the surroundings while the bird walks, feeds and watches for dan...
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The sky is so reliably blue on a clear day that the color can feel like a property of the atmosphere itself, as though Earth were covered by an enormous blue ceiling. It is not. Air is essen...
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