“The cloud” may be the most successful disappearing act in modern technology. Upload a photograph and it seems to float away. Stream a film and it arrives from nowhere. Ask an AI system a question and an answer materializes on a glass scree...
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You mention hiking boots over dinner. The next morning, an advertisement for hiking boots appears on your phone. You never remember searching for them. The coincidence feels too precise, and...
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Ask the meaning of life in the right corner of the internet and there is a good chance someone will answer with a number: 42. It has become one of popular culture’s most durable private joke...
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Ask whether snakes have legs and the obvious answer seems to be no. A cobra, viper or grass snake has no arms, no feet and no visible limbs at all. Yet the evolutionary answer is more intere...
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Space is famously cold. The number repeated in textbooks, documentaries and trivia lists is about 2.7 kelvin, or roughly −270.4 °C — less than three degrees above absolute zero.That number i...
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Look up from a truly dark place and the Milky Way appears as a pale river of light crossing the sky. That glow is produced by stars so numerous and distant that most cannot be distinguished...
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Imagine falling feet-first toward a black hole. At first, if the black hole were isolated and you began far enough away, the experience would not feel supernatural. You would be in free fall...
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The internet contains billions of websites, streams enormous quantities of video, connects data centers across continents and crosses oceans through cables thousands of kilometers long. So i...
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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...
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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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