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  • black hole
  • quarks and gluons
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Your search has returned 311 articles:
  • News

    In a first, scientists took the temperature of a sonic black hole

    Taking a black hole’s temperature is a seemingly impossible task. But now, physicists report the next best thing. They’ve measured the temperature of a lab-made sonic black hole, which traps sound instead of light.

    If the result holds up, it will confirm a prediction of cosmologist Stephen Hawking, who first proposed a surprising truth about black holes: They aren’t truly black. Instead...

    05/29/2019 - 13:00 Physics, Quantum Physics, Condensed Matter
  • News

    An experiment hints at quantum entanglement inside protons

    Protons are complicated. The subatomic particles are themselves composed of smaller particles called quarks and gluons. Now, data from the Large Hadron Collider hint that protons’ constituents don’t behave independently. Instead, they are tethered by quantum links known as entanglement, three physicists report in a paper published April 26 at arXiv.org.

    Quantum entanglement has...

    05/17/2019 - 11:18 Quantum Physics, Particle Physics
  • News in Brief

    Antimatter keeps with quantum theory. It’s both particle and wave

    For the first time, researchers have performed a version of the famous double-slit experiment with antimatter particles.

    The double-slit experiment demonstrates one of the fundamental tenets of quantum physics: that pointlike particles are also waves. In the standard version of the experiment, particles travel through a pair of slits in a solid barrier. On a screen on the other side, an...

    05/03/2019 - 14:00 Quantum Physics
  • Experiences

    A science-themed escape room gives the brain a workout

    Professor Schrödenberg is missing, and evil agents want to use her quantum computing research for nefarious purposes. Stopping them is up to you, but completing your mission will require solving some mind-bending puzzles —based on science.

    If you are up for the challenge, you can test your wits at LabEscape, a science-themed escape room at the Lincoln Square Mall in Urbana, Ill. Escape...

    04/29/2019 - 12:40 Science & Society, Physics, Quantum Physics
  • News

    A new quantum engine packs more power than its standard counterparts

    For the first time, a quantum engine has outperformed its traditional equivalent, without any special tweaks to its environment.

    The device harnesses the weird physics of very small objects to produce more power than a standard, or classical, engine under the same conditions, scientists report in the March 22 Physical Review Letters.  

    “They’ve shown very convincingly that the...

    04/01/2019 - 07:00 Quantum Physics
  • News in Brief

    How a proton gets its spin is surprisingly complicated

    Like a quantum version of a whirling top, protons have angular momentum, known as spin. But the source of the subatomic particles’ spin has confounded physicists. Now scientists have confirmed that some of that spin comes from a frothing sea of particles known as quarks and their antimatter partners, antiquarks, found inside the proton. 

    Surprisingly, a less common type of antiquark...

    03/25/2019 - 07:00 Particle Physics, Quantum Physics
  • News

    LIGO will be getting a quantum upgrade

    WASHINGTON — Gravitational wave detectors are going quantum.

    A planned revamp of the Advanced Laser Interferometer Gravitational-Wave Observatory, LIGO, relies on finessing quantum techniques, LIGO scientists announced February 14. That $35 million upgrade could let scientists catch a gravitational wave every day, on average. LIGO’s current tally of 11 gravitational wave events could be...

    02/15/2019 - 14:54 Quantum Physics, Astronomy
  • News

    Photons reveal a weird effect called the quantum pigeonhole paradox

    Quantum pigeons don’t like to share.

    In keeping with a mathematical concept known as the pigeonhole principle, roosting pigeons have to cram together if there are more pigeons than spots available, with some birds sharing holes. But photons, or quantum particles of light, can violate that rule, according to an experiment reported in the Jan. 29 Proceedings of the National Academy of...

    02/13/2019 - 06:00 Quantum Physics, Numbers
  • Reviews & Previews

    ‘Beyond Weird’ and ‘What Is Real?’ try to make sense of quantum weirdness

    Quantum physics has earned a reputation as a realm of science beyond human comprehension. It describes a microworld of perplexing, paradoxical phenomena. Its equations imply a multiplicity of possible realities; an observation seems to select one of those possibilities for accessibility to human perception. The rest either disappear, remain hidden or weren’t really there to begin...

    01/06/2019 - 08:00 Quantum Physics, History of Science