Physics
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We summarize the week's scientific breakthroughs every Thursday.
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PhysicsComplete double rainbow encircles Australian town
A photographer in a helicopter captured a double circular rainbow while flying around a storm near Perth, Australia.
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Particle PhysicsNew particle could help physicists understand subatomic glue
A newfound particle will allow scientists to probe the universe’s strongest force.
By Andrew Grant -
PhysicsFalling raindrops break terminal velocity
Unknown mechanism causes tiny raindrops to fall faster than terminal velocity.
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Quantum PhysicsHawking radiation spotted within sonic black hole
Lab-created sonic black hole emits energy as famed physicist Stephen Hawking predicted, though the experiment may not be definitive.
By Andrew Grant -
Materials ScienceBlue LEDs win Nobel Prize in physics
Light-emitting diodes have led to more energy-efficient bulbs that are elbowing out incandescents.
By Andrew Grant -
ChemistryLasers wrest oxygen from carbon dioxide
By zapping oxygen molecules off carbon dioxide, an experiment hints that Earth may have had breathable air long before the dawn of plants.
By Beth Mole -
PhysicsBlue light-emitting diode earns three researchers Nobel Prize in physics
The invention of blue light-emitting diodes has been awarded the 2014 Nobel Prize in physics.
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Quantum PhysicsPhotons on roundabout route could get caught in action
Proposed twist on classic double-slit experiment could identify light that weaves in and out.
By Andrew Grant -
Health & MedicineZero calories and other awe-inspiring science tales
In this issue, reporters look at artificial sweeteners, resurrecting a West Coast plant, quasiparticles and the future of our magazine and its parent non-profit, SSP.
By Eva Emerson -
Quantum PhysicsQuasiparticles help physicists make sense of the world
To improve semiconductors, superconductors and other materials, physicists view a particle and its surroundings as one entity.
By Andrew Grant -
PhysicsSignal of elusive Majorana particle emerges in a nanowire
New evidence supports existence of exotic Majorana particle — a particle that is its own antiparticle.
By Andrew Grant -
TechSolar cell powers water-to-hydrogen conversion
High efficiency could make perovskite solar cells useful for generating environmentally friendly fuel.
By Sam Lemonick