Physics
The first room-temperature superconductor has finally been found
A compound of carbon, hydrogen and sulfur conducts electricity without resistance up to 15° C, but there’s a catch: It works only under high pressure.
Physics
More Stories in Physics
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TechA new thermometer measures temperature with sound
An acoustic thermometer takes temperature by listening to the faint hum that objects give off when they get hot.
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SpaceThe first black hole image helped test general relativity in a new way
The Event Horizon Telescope’s iconic image of the black hole at the center of galaxy M87 once again shows Einstein was right.
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PhysicsA stop-motion experiment reveals supercooled water’s dual nature
Scientists found signs that water cooled well below freezing consists of two different arrangements of molecules.
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SpaceEHT data show turbulence makes the glowing ring around M87’s black hole wobble
Event Horizon Telescope data spanning nearly a decade reveal that the appearance of the supermassive black hole inside galaxy M87 changes over time.
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AnimalsSea butterflies’ shells determine how the snails swim
New aquarium videos show that sea butterflies of various shapes and sizes flutter through water differently.
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PhysicsToy boats float upside down underneath a layer of levitated liquid
The upward force of buoyancy keeps objects afloat even in unusual conditions.
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PhysicsRecord-breaking gravitational waves reveal that midsize black holes do exist
The biggest merger of two black holes so far raises questions about how the pair of objects came to be.
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Quantum PhysicsA measurement of positronium’s energy levels confounds scientists
A gap in the energy levels of positronium seems to be substantially larger than predicted, and physicists don’t know why.
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PhysicsFour types of flames join forces to make this eerie ‘blue whirl’
Pinning down the structure of the “amazingly complex” blaze could help scientists control it.