Physics
Scientists Say: Supercool
When a liquid is supercooled, it has been chilled below its freezing point without freezing.
Physics
More Stories in Physics
-
PhysicsEfforts to create ultrafast light pulses win 2023 physics Nobel
Pierre Agostini, Ferenc Krausz and Anne L’Huillier won the prize for creating light bursts that last billionths of a billionth of a second.
-
ChemistryScientists Say: Rare earth element
Rare earth elements aren’t all that rare — but skyrocketing demand for these metals makes them precious.
-
PhysicsScientists Say: X-ray
X-rays are a type of light that doctors use to image the inside of the body. Astronomers use X-rays to explore the cosmos.
-
AnimalsAnalyze This: White wing spots may help monarch butterflies fly far
Monarchs with more white on their wings are more successful migrants, new research shows
-
Materials ScienceMade from fungi, this vegan leather can self-heal holes or rips
If made under gentle conditions, leather formed from the “roots” of mushrooms can retain the ability to regrow and repair minor damage.
-
TechGravity ‘batteries’ might help a weighty renewable-energy problem
To store the energy generated by wind and solar power, researchers are looking at mammoth systems that raise and lower weights.
-
SpaceExperiment: A puzzling parallax helps stargazers
In this project, we explore how perspective, or parallax, can be used to measure the distances to objects such as stars.
-
PhysicsScientists Say: Radio Waves
Lightning, stars, supermassive black holes and more give off radio waves.
-
TechNew thermal ‘cloak’ keeps spaces from getting too hot or too cold
A prototype fabric could help keep cars, buildings and other spaces cooler during heat waves while also reducing greenhouse-gas emissions.