A sound science project
North Korea’s traditional bellicosity has intensified to new levels with its threatened nuclear war against the U.S. and South Korea. One expert explains why the North should be allowed to keep its nukes in exchange for peace
The chip uses pulses of laser light to generate truly random numbers, the basis of encryption. Christopher Intagliata reports.
A surprising science activity
It’s the last standard of measurement that is still based on a physical object—but it will soon be derived from a mathematical constant
Cracks are showing in the dominant explanation for dark matter. Is there anything more plausible to replace it?
Omid Kokabee, who became seriously ill while serving time on controversial treason charges, will be allowed to leave the country
Labs are vying to build ever-bigger colliders against a backdrop of uncertainty about particle physics
A bursting science project
A black hole analogue, which traps sound instead of light, generates "Hawking radiation," a key prediction by the theoretical physicist. Christopher Intagliata reports.
Could mirror molecules in space help explain why life prefers molecules with a single-handedness?
Excitement rises over chance of new physics from particle du jour
IceCube observatory reports null result in search for particle
A curious signal of a potentially revolutionary new particle detected last year turned out to be a fluke
The science of Luke Aikins’ 7,600-meter free fall into a net
A thermal spike linked to the solar system’s largest storm explains weather on gas-giant planets
Jim Papadopoulos has spent a lifetime pondering the maths of bikes in motion. Now his work has found fresh momentum
Experiment hints we sense light’s tiniest specks “at the threshold of imagination”
A model of the dolphin vocal apparatus shows that they need a coating of mucus to produce their distinctive sounds.
A fun robotics activity—powered by vibration