On August 11, 1994, a man in Philadelphia sat down at a computer and bought a CD. The album was Sting’s Ten Summoner’s Tales, the price was $12.48 plus shipping, and the seller was a young company called NetMarket. Nothing about the object...
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Computer viruses have a reputation for destruction. They can erase files, encrypt disks, steal passwords and make a computer unusable. But can malicious software cross the invisible boundary...
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“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 qu...
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Bluetooth is such an ordinary part of modern life that its name barely sounds strange anymore. We tap an icon and headphones connect to a phone, a keyboard finds a computer, or a car starts...
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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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You see someone stretch their jaw, squeeze their eyes shut and take a long, involuntary breath. A few seconds later, your own mouth opens. Sometimes you do not even need to see the yawn: hea...
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Watch a herd of cows for long enough and the group begins to look less anonymous. Certain animals repeatedly graze near one another, rest side by side or seek each other out. Some lick and g...
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A fish can be surrounded by water and still run out of oxygen. That sounds like a contradiction only because we tend to think of water itself as the thing fish breathe. It is not. Most fish...
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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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Ask a child to draw the Sun and there is a good chance they will reach for a yellow crayon. Search for a Sun emoji and you will find the same convention. For centuries, artists have painted...
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