Physics
A new experiment hints at how hot water can freeze faster than cold
A study of tiny glass beads suggests that the Mpemba effect is real.
Physics
More Stories in Physics
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PhysicsThe physics of solar flares could help scientists predict imminent outbursts
Physicists aim to improve space weather predictions by studying the physical processes that spark a solar flare.
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PhysicsA black hole circling a wormhole would emit weird gravitational waves
A new calculation reveals the strange gravitational waves LIGO and Virgo could see if a black hole were falling into a hypothetical tunnel in spacetime.
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PhysicsA giant underground motion sensor in Germany tracks Earth’s wobbles
A giant underground gyroscope array has taken its first measurements of how the world goes ’round.
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PhysicsThe universe might have a fundamental clock that ticks very, very fast
A theoretical study could help physicists searching for a theory of quantum gravity.
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PhysicsPhysicists have ‘braided’ strange quasiparticles called anyons
All known particles fall into two classes. Physicists just found new evidence of a third class in 2-D materials.
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Particle PhysicsThis is the first known particle with four of the same kind of quark
A weird four-quark particle could be a unique testing ground for the strong force that governs how quarks stick together.
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Health & MedicineWhy scientists say wearing masks shouldn’t be controversial
New data suggest that cloth masks work to reduce coronavirus cases, though less well than medical masks.
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SpaceColliding black holes may have created a surprising flare of light
A flare-up after a gravitational wave outburst may be the first sighting of light from colliding black holes.
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Particle PhysicsPhysicists spot a new class of neutrinos from the sun
Researchers with the Borexino experiment in Italy have detected neutrinos produced in the secondary fusion process taking place in the sun’s core.