Attempts to turn string theory into a workable theory of nature have led to the potential conclusion that our universe is a hologram—that what we perceive as three spatial dimensions is actually composed of only two. The ...
General Physics
Dec 21, 2023
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As weird as it might sound, black holes appear to be holograms.
Astronomy
Dec 19, 2023
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Each year at its annual meeting, the American Physical Society's Division of Fluid Dynamics sponsors a contest for the best images in a variety of categories, all related to the flow of fluids.
A radical theory that consistently unifies gravity and quantum mechanics while preserving Einstein's classical concept of spacetime has been announced in two papers published simultaneously by UCL (University College London) ...
General Physics
Dec 4, 2023
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One of the biggest mysteries in cosmology is the rate at which the universe is expanding. This can be predicted using the standard model of cosmology, also known as Lambda-cold dark matter (ΛCDM). This model is based on ...
Astronomy
Dec 1, 2023
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2869
NASA's Hubble Space Telescope has measured the size of the nearest Earth-sized exoplanet that passes across the face of a neighboring star. This alignment, called a transit, opens the door to follow-on studies to see what ...
Astronomy
Nov 16, 2023
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154
While physics tells us that information can neither be created nor destroyed (if information could be created or destroyed, then the entire raison d'etre of physics, that is to predict future events or identify the causes ...
Astronomy
Nov 16, 2023
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144
At 8:28 p.m. EST on Nov. 9, 2023, NASA's Atmospheric Waves Experiment, or AWE, lifted off from Kennedy Space Center in Florida aboard a SpaceX Falcon 9 rocket on the 29th commercial resupply mission (CRS-29) for NASA.
Planetary Sciences
Nov 14, 2023
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30
SpaceX launched another rocket from Florida's Space Coast on Thursday night sending thousands of pounds of cargo to the International Space Station while also bringing back a booster that sent a sonic boom across Central ...
Space Exploration
Nov 10, 2023
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1
The theory of relativity is at once simple and elegant but also maddeningly nonintuitive. There's no need to get into the full guts and glory of that theory here, but there is one feature of Einstein's work that takes center ...
General Physics
Nov 10, 2023
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