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Capacitive touchscreens detect touch by sensing changes in an electrostatic field caused by the human body's natural electrical charge. Here's why your finger works, but gloves, long nails, and dry skin don't.
Sport
Collective bargaining agreements govern nearly every aspect of professional sports, from player salaries and free agency to revenue sharing. Here is h...
Science
NASA's Space Launch System is the most powerful rocket ever built for crewed spaceflight, designed to send astronauts beyond low Earth orbit for the f...
Science
Supershear earthquakes rupture faster than their own seismic waves, creating Mach cone shockwaves analogous to sonic booms. These rare but devastating...
Culture
Six Christian denominations share Christianity's holiest church under a centuries-old Ottoman decree, with two Muslim families holding the key — an ar...
Science
A free-return trajectory uses the Moon's gravity to slingshot a spacecraft back to Earth without engine burns, serving as the ultimate safety net for...
Technology
Tech giants like Google, Amazon, and Meta are designing their own custom AI chips called ASICs to reduce dependence on Nvidia GPUs, cut costs, and opt...
Science
Gamma-ray bursts are the most powerful explosions in the known universe, releasing more energy in seconds than the Sun emits in its entire lifetime. H...
Science
As humanity plans missions to Mars and beyond, scientists are discovering that microgravity disrupts nearly every step of reproduction—from sperm navi...
Health
Cartilage is the smooth, rubbery tissue that cushions every joint in the body, yet it is one of the few tissues that cannot repair itself after damage...
Technology
NASA's Orion capsule is the first crewed vehicle designed for deep space since Apollo. Here is how its heat shield, life support, and navigation syste...
Science
CRISPRa uses a deactivated version of the CRISPR protein to turn genes on without making any cuts to DNA, opening doors to reversible treatments for g...
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