Physics
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Quantum Physics
Top 10 scientific mysteries for the 21st century
Solving the Top 10 scientific mysteries facing the 21st century will not be all fun but could be mostly games.
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Physics
How blueshift might beat redshift
Even though the expanding universe makes light redder, light emitted by collapsing stars and dust clouds could appear unusually blue.
By Andrew Grant -
Planetary Science
Young asteroids generated long-lasting magnetism
Pockets of iron and nickel in meteorites suggest that asteroids in the early solar system produced magnetic fields for much longer than once thought.
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Physics
Speed of light not so constant after all
Even in vacuum conditions, light can move slower than its maximum speed depending on the structure of its pulses.
By Andrew Grant -
Quantum Physics
Physicists debate whether quantum math is as real as atoms
Physicists debate whether quantum states are as real as atoms or are just tools for forecasting phenomena.
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Materials Science
Graphene’s allure becomes magnetic
Single-atom-thick sheets of carbon called graphene can be magnetized with the help of an insulating magnet.
By Andrew Grant -
Quantum Physics
Bell’s math showed that quantum weirdness rang true
50 years ago, John Bell proved a theorem that led the way to establishing the weirdness of quantum physics.
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Particle Physics
Year in review: Neutrinos leave tracks in ice
The IceCube experiment has started to pinpoint the birthplaces of some high-energy neutrinos.
By Andrew Grant -
Planetary Science
Ancient moon’s mega magnetic field explained
Apollo-era moon rocks reveal ancient lunar magnetic field was at least as powerful as the one surrounding modern Earth.
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Materials Science
Carbon supplants silicon in electronic medical sensors
Prototypes of electronic medical devices constructed from organic materials are noninvasive yet offer similar performance as silicon-based health sensors.
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Physics
Assaulting ink drops for science
A pulse of laser light obliterates a free-falling ink drop in an image from the American Physical Society’s 2014 Gallery of Fluid Motion competition. The work may help engineers build the next generation of computer chips.
By Andrew Grant -
Physics
Material borders support unusually warm electronic superhighways
The interface between a conductive wafer and an iron-containing film is a high-temperature superconductor, which transmits electrons without resistance.
By Andrew Grant