1+ day, 1+ hour ago   (888+ words) Toggling airplane mode can quickly refresh a weak phone signal by forcing a new network search, though it cannot fix areas with no coverage or heavy congestion. One bar of cell phone signal at a restaurant, a call that drops…...

3+ day, 4+ hour ago   (1026+ words) Machine culture just got its first controlled test, and only one of 600 people playing on their own ever found what the AI did. Offered a sure gain now or a bigger one that costs something first, most of us take the…...

3+ day, 5+ hour ago   (893+ words) The shape of an atomic nucleus showed up in the debris of a collider crash, and neon's core turned out to look like a bowling pin. They smashed two of them together at nearly the speed of light, and the…...

5+ day, 9+ hour ago   (1077+ words) A soft jumping robot that twists itself tight under an infrared lamp, snaps its tail on the ground, and resets in mid-air to jump again. An origami paper frog jumps once. Then a hand has to pick it up, fold…...

5+ day, 10+ hour ago   (989+ words) After 30 minutes of play, preschool children performed better on some tasks but struggled more when the next task demanded focus and self-control. For parents and teachers, one everyday moment can be harder than it looks: a preschooler finishes an exciting…...

6+ day, 1+ hour ago   (1079+ words) Cyborg cockroaches carrying spring-loaded injectors hit their target in 72 percent of full runs, and about 95 percent when fired from close range. When a building comes down, rescue crews cut and tunnel toward the pockets where survivors end up. Some of…...

6+ day, 7+ hour ago   (1039+ words) AI chatbot politics shifted toward the user's declared side in all 21 models tested, and training that rewards agreement is why. Give an AI chatbot a political statement about welfare and its response may seem calm and even-handed. Now tell it…...

1+ week, 7+ hour ago   (1217+ words) A battery-free pacemaker can harvest energy from each heartbeat, potentially allowing future devices to work far longer without replacement. Inside the lower right chamber of the heart, the newest kind of pacemaker is a titanium capsule with no wires attached,…...

1+ week, 8+ hour ago   (928+ words) Students are searching Google less for physics questions as researchers find signs that many are turning to AI chatbots for answers instead. For about 20 years, a student stuck on a physics problem late at night has opened a search box…...

1+ week, 1+ day ago   (690+ words) In 1959, engineers at a U.S. Army laboratory built a device that amplified and routed signals using nothing but jets of air. More than six decades later, that half-forgotten technology is driving a quiet revolution in robotics. A team at King’s College…...