Rare Supernovae May Solve 40-Year-Old Antimatter Mystery
Most of the Milky Way’s antimatter may come from the explosive collisions of white dwarf stars
Physics3843 articles archived since 1845
Bizarre Star Dims Again, and Astronomers Scramble to Catch It in the Act
A new observing campaign aims to understand a star that some have suggested might even host an alien civilization
Build a Balloon-Powered Car
A zippy science activity
Can Quantum Mechanics Save the Cosmic Multiverse?
A surprising connection between cosmology and quantum mechanics could unveil the secrets of space and time
Tackling China's Devastating Yellow River Floods
After learning how the waterway transports a billion tons of sediment into the sea each year, scientists built a tool that may help predict the inundations that impact some 80 million people.
An Alternate History of the Atomic Age
Scientist and author Gregory Benford discusses his latest book, The Berlin Project
The Sneaky Danger of Space Dust
When tiny particles of space debris slam into satellites, the collision could cause the emission of hardware-frying radiation. Christopher Intagliata reports.
How to Make Molecular Movies: Scientist Thomas Allison Explains
The winner of the 2017 Discovery Prize discusses his work watching electrons moving through molecules
New Landslide Forecasts Could Save Lives
A novel system could provide more reliable, localized landslide-risk estimates and thus more trustworthy warnings to residents
Detection of Ghostly Particles Could Unmask Illicit Nuclear Weapons
Weapons-grade fuel in a nuclear reactor emits a steady rate of telltale antineutrinos that could be detected by a newly designed portable device
Physicists Excited by Latest LHC Anomaly
A series of odd findings have theorists hoping for new particles
Earthquake Rollers
An earthshaking science activity
Muons Bring New Physics within Reach
A new experiment to measure the behavior of muons in magnetic fields could reveal unknown particles
Energetic 2-Ball Bounces
A bouncing project from Science Buddies
Shredded Stars Offer New View of Supermassive Black Holes
New techniques reveal how supermassive black holes shred entire stars
![Ink-Drop Supernovae and Quantum Love Triangles [Video]](/sciam/cache/file/FE2C9777-BD59-4DEB-9DDB2E503696D1D7_small.png)
Ink-Drop Supernovae and Quantum Love Triangles [Video]
Short films about exploding stars and subatomic particles top the list of prizewinners from the annual Quantum Shorts contest
Shoelace Study Untangles a Knotty Problem
Researchers have trotted out data that show a combination of whipping and stomping forces is what causes laces to unravel without warning. Karen Hopkin reports.
Unraveling Why Shoelace Knots Fail
A better understanding of this pedestrian problem could lead to improved surgeons’ knots and fibers
Sunset Colors in a Glass
A light-scattering science project
Battle between Quantum and Thermodynamic Laws Heats Up
Physicists try to rebuild the laws of heat and energy for processes at a quantum scale
