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...
Read article
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...
Read
“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...
Read
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...
Read
Imagine stepping outside after a thunderstorm and discovering the road covered in frogs. Some are hopping. Others are lying in puddles or on rooftops. Witnesses insist they watched them fall...
Read
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...
Read
Put a glass of water near a cat and it may drink calmly. Turn on a faucet and the same cat might become fascinated, batting at droplets for minutes. Lower it into a bathtub, however, and you...
Read
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...
Read
On November 20, 1969, Apollo 12 astronauts Pete Conrad and Alan Bean left the lunar surface and rejoined Richard Gordon in orbit. Their lunar module's ascent stage was no longer useful, so m...
Read
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...
Read