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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You type a search into Google, press Enter, and nothing happens. The page spins. Gmail refuses to load. Drive throws an error. Within seconds, one of the internet's most common diagnostic qu...
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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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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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Stay in a swimming pool or bathtub long enough and something peculiar happens to your hands. The smooth pads of your fingers turn into a landscape of ridges and valleys, as if the skin has s...
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A newly hatched chick enters the world with an urgent problem. It can walk almost immediately, but walking in the wrong direction could be fatal. In nature, staying near a parent means warmt...
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In 1997, IBM's Deep Blue defeated world chess champion Garry Kasparov in a match. The achievement looked like a milestone on the road to machine intelligence: a computer had conquered a game...
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Dig beneath a forest and the roots are not alone. Wrapped around them, penetrating them and extending far beyond them are microscopic fungal threads called hyphae. Together those threads for...
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