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. There is no invisible cosmic hand suddenly grabb...
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The little hat-and-glasses icon has become shorthand for secrecy. Open an Incognito window in Chrome — or a Private Browsing window in another browser — and it feels as though you have stepp...
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Suppose you buy a brand-new one-terabyte SSD and place it on an impossibly precise scale. Then you fill every available byte with photographs, films, documents and music. Has the drive becom...
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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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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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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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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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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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Every email, video stream, security-camera frame, cloud backup, online purchase, AI response and sensor reading leaves a digital trail. Multiply those events across billions of people, phone...
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