Physicists Probe Validity of Einstein’s Gravity on Cosmic Scales
New tests could verify the general theory of relativity, or find flaws
Physics5026 articles archived since 1845
The Coolest Physics You’ve Ever Heard Of
Ultracold atoms can simulate all sorts of quantum behavior
Flames Extinguish Themselves in Zero Gravity
Originally published in November 2000
New Instrument Will Stretch Atoms into Giant Waves
Room-sized “atom waves” could help probe the quantum realm
Quantum Slits Open New Doors
An update to the classic “double-slit” experiment paves the way toward a novel strategy for quantum computing
Gravitational-Wave Discovery Hints at Another Spectacular Neutron-Star Crash
This new detection—the second of its kind—raises new questions about the nature of these mysterious objects
Color-Changing Fibers Unravel a Knotty Mystery
Mathematicians are devising new techniques to better predict how to tie strong knots that are useful in climbing and sailing
You Traveled Far in 2019
Getting around the sun last year was some trip.
The Simple Truth about Physics
Theoretical models can be complex—but the most successful ones are usually not
Here Are the Most Beautiful Science GIFs We Discovered in 2019
Enjoy and loop on
Strange Superconductor Sends Electrons Both Ways
A new material’s strange properties could be useful in future quantum computers
Science with a Smartphone: Accelerometer
A physics science activity from Science Buddies
Superstrong Fibers Could Be Hairy Situation
Human hair tested stronger than thicker fibers from elephants, boars and giraffes, providing clues to materials scientists hoping to make superstrong synthetic fibers.
Balance the Forces within a Mobile
An artsy science project from Science Buddies
Japan Will Build the World’s Largest Neutrino Detector
Cabinet greenlights $600-million Hyper-Kamiokande experiment, which scientists hope will bring revolutionary discoveries
Not All Hydropower Is Climate-Considerate
While some hydropower facilities release almost no greenhouse gases, others can actually be worse than burning fossil fuels.
Flying Stick Chain Reaction
A spectacular activity from Science Buddies
Greenland Rocks Suggest Earth’s Magnetic Field Is Older Than We Thought
Analysis finds that the planet’s protective shield was in place by at least 3.7 billion years ago, as early life arose
Space Heater: Scientists Find New Way to Transfer Energy Through a Vacuum
Nanoscale experiments reveal that quantum effects can transmit heat between objects separated by empty space
Space Station Dark Matter Experiment Gets Vital Repairs
Astronauts are giving the International Space Station’s premier science experiment a life-extending transplant to continue its hunt for antimatter, dark matter, and more
