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166 articles with this tag
Technology
Terahertz radiation sits in a little-known gap between microwaves and infrared light. Once nearly impossible to harness, it now promises breakthroughs...
Health
MRI scanners depend on liquid helium to cool their superconducting magnets to near absolute zero. With global supply concentrated in just a few countr...
Science
The Atlantic Meridional Overturning Circulation is a massive ocean conveyor belt that carries heat northward, keeping Europe warm. Scientists warn it...
Health
Positron emission tomography uses radioactive tracers and gamma-ray detection to map metabolic activity inside the body, making it a vital tool for di...
Science
Sungrazing comets plunge within thousands of kilometers of the Sun's surface, enduring extreme heat and tidal forces. Most disintegrate, but their des...
Science
Piezoelectric materials generate electricity when squeezed and change shape when electrified. From quartz watches to medical ultrasound and next-gener...
Science
From parachute deployment to Navy diver extraction, here is how space agencies recover astronauts and capsules from the ocean — a method used since th...
Science
Scientists propose a radical new method to sense gravitational waves by tracking how they shift the light atoms emit, potentially shrinking detectors...
Technology
Memristors are the long-theorized fourth fundamental circuit element that can store data and compute simultaneously. A recent breakthrough in extreme-...
Science
Quantum decoherence is the process by which qubits lose their quantum properties through environmental interaction, and it remains the single biggest...
Science
Quasicrystals are materials with atoms arranged in ordered but never-repeating patterns, defying the rules of classical crystallography. From a ridicu...
Technology
Extreme ultraviolet lithography uses plasma hotter than the sun to print the world's most advanced chips, and only one company on Earth can build the...
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