#Physics

Science & Technology | Cool Stuff

Free-fall experiment could test if gravity is a quantum force

The effort to reconcile general relativity with quantum mechanics always hits one snag: gravity. An experiment could finally tell us if it is a quantum force

Science & Technology | Cool Stuff

Physics Breakthrough in 50-Year Search for 'Holy Grail' Particle Tetraquark

A combination of three quarks creates a hadron, which, when stable, we know as a proton or neutron. Now, researchers are about to publish what they say is proof that the tetraquark exists, that it’s stable, and that they can generate it in the Large Ha

Science & Technology | Cool Stuff

10 Spacetime Mysteries That Quantum Gravity Could Solve

We travel through spacetime every day, but still don't really know how it works.

Science & Technology | Cool Stuff

New Wormhole Could Resolve the Black Hole Information Paradox

A new theory is percolating among physicists that presupposes the existence of a traversable wormhole.

Science & Technology | Cool Stuff

In A First, Scientists Spot Light Amid Gravitational Waves Emitted By Colliding Stars

Scientists for the first time have detected both gravitational waves and light from the collision of two dead, incredibly dense neutron stars.

Science & Technology | Cool Stuff

Experiment Confirms a Crucial Property of Electrons, Unfortunately

When it comes to physics, fewer things are more exciting than proving something wrong. Proving theories wrong has led to entirely new fields of study. The fruits that come from wrongness can be so rewarding that scientists devote a considerable amount of time to probing well-known theories, hoping to find a crack.

Science & Technology | Cool Stuff

Intel moves towards production quantum computing with new 17-qubit chip

Intel's quantum computing efforts have yielded a new 17-qubit chip, which the company has just delivered to its partner in that field, QuTech in the Netherlands. 17 isn't some magic number in the quantum world, nor does this chip do any special tricks ot

Science & Technology | Cool Stuff

Mystery of the Universe’s Missing Matter Finally Solved by Scientists

The universe is missing half its matter. Scientists believe most of the universe—about 70 percent—is made up of dark energy, the mystery force thought to be driving its expansion. About a quarter is dark matter, and the remaining five percent is norma

Science & Technology | Cool Stuff

Scientists made the first 'unhackable' quantum video call

Following extensive testing earlier this year, China has now deployed its quantum communications work in the form of the first ever quantum-safe video call.

Science & Technology | Cool Stuff

Gravity Could Be the Result of Random Quantum Fluctuations

A new theory takes a feature of a quantum mechanical model and shows how it can generate gravity.

Science & Technology | Cool Stuff

Does The Universe Have Physical Boundaries?

Does the universe have physical boundaries? This question was originally answered on Quora by Viktor T. Toth.

Science & Technology | Cool Stuff

‘Nano-hashtags’ could provide definite proof of Majorana particles

Will the quantum chip that is presented today in Nature by researchers from TU/e among others be able to provide definitive proof of the mysterious Majorana particles?

Science & Technology | Cool Stuff

Exclusive: We may have detected a new kind of gravitational wave

Rumours are swirling of a new kind of gravitational wave, created by colliding neutrons stars, rather than black holes. Now Hubble has joined the hunt

Science & Technology | Cool Stuff

Gravitational Lensing Provides Rare Glimpse Into Interiors of Black Holes

The observable Universe is an extremely big place, measuring an estimated 91 billion light-years in diameter. As a result, astronomers are forced to rely on powerful instruments to see faraway objects. But even these are sometimes limited, and must be paired with a technique known as gravitational lensing.

Science & Technology | Cool Stuff

NASA's New Plasma Rocket Ready For Testing

The engine could be much more efficient than standard chemical rockets.

Science & Technology | Cool Stuff

Physicists Capture the Elusive Neutrino Smacking Into an Atom's Core

By measuring how a nucleus bounces off a neutrino, scientists crack a window into the personality of the shyest particle.

Science & Technology | Cool Stuff

Ripples In Spacetime: From Einstein To LIGO And Beyond

There's a new book out on gravitational waves, and it covers the history, science, people, and possibilities unlike any other.

Science & Technology | Cool Stuff

Quantum mechanical particles travel backwards, study confirms

A team of particle physicists and mathematicians have confirmed all quantum mechanical particles move backwards.

Science & Technology | Cool Stuff

Lawbreaking Particles May Point to a Previously Unknown Force in the Universe - Scientific American

Scientists aren’t yet certain that electrons and their relatives are violating the Standard Model of particle physics, but the evidence is mounting

Science & Technology | Cool Stuff

LHC: Charming Particle Xi-cc Discovered at Cern Fits with Standard Model and Opens New Window on the Universe

A new type of particle has been discovered by scientists at CERN using data from last year’s run of the Large Hadron Collider (LHC). The particle opens the door to a “new frontier” of physics, providing researchers with a new way to investigate the

Science & Technology | Cool Stuff

Does Dark Energy Exist? Einstein's General Relativity Could Rid Us of the Need for Universe's Most Mysterious Force

A renewed suggestion that dark energy may not be real—dispensing with 70 percent of the stuff in the universe—has reignited a longstanding debate. Dark energy and dark matter are theoretical inventions that explain observations we cannot otherwise und

Science & Technology | Cool Stuff

Was It All Just Noise? Independent Analysis Casts Doubt On LIGO's Detections

The LIGO team just recently announced their third robust event, consistent with merging black holes. But an unexplained effect might mean this isn't signal, but simply noise instead.

Science & Technology | Technology

Chinese Satellite Relays a Quantum Signal Between Cities

Launched last August, China's QUESS satellite recently achieved its goal: it sent single entangled photons between two cities 750 miles apart. Quantum cryptography, here we come.

Science & Technology | Cool Stuff

The human brain sees the world as an 11-dimensional multiverse

New research suggests that the human brain is almost beyond comprehension because it doesn’t process the world in two dimensions or even three. No, the human...

Science & Technology | Cool Stuff

LIGO detects more gravitational waves, from even more ancient and distant black hole collisions

These ripples in the very fabric of the universe were hypothesized by Einstein a century ago. Now scientists have detected them for the third time in a year and a half – ushering in a new era in astrophysics.

Science & Technology | Cool Stuff

Scientists may have found evidence of a parallel universe

The idea that we might be living in just one of an infinite number of universes has been fodder for scientific debate and sci-fi movie plots for a long time, but coming up with evidence to support the theory has been hard to come by.

Science & Technology | Cool Stuff

Giant ring of galaxies scattered during Andromeda flyby challenges Einstein's theory of gravity

A huge ring of galaxies spanning 10 billion light years is challenging Albert Einstein's theory of gravity. In two papers, one published in the Monthly Notices of the Royal Astronomical Society and the other currently under review, scientists observed th

Science & Technology | Cool Stuff

Superluminal Speeds (faster than light)

This video features Professor Mike Merrifield from the University of Nottingham explaining a star appearing to a break the faster than light law.

Science & Technology | Cool Stuff

Quantum Physics: Are Entangled Particles Connected Via An Undetected Dimension?

Are entangled particles connected via another dimension, since they continue to be connected and a reflection of each other regardless of distance? This question was originally answered on Quora by Allan Steinhardt.

Science & Technology | Cool Stuff

Physicists prove Einstein still wrong about quantum mechanics with record-breaking trapped ion tests

Physicists from a US government agency have made a breakthrough in proving that quantum mechanics can indeed be explained by classical physics, as well as showing that trapped ions could be the best method for reliably creating quantum entanglement, which

Science & Technology | Cool Stuff

Quantum Physics News: Entangled Photons Can Originate From Different Points In Space

For the longest time, scientists thought that entangled particles emerged from the same point in space. New observations challenge this belief.

Science & Technology | Cool Stuff

Astronomers are set to peer into a black hole and take a picture of its event horizon

Ever since first mentioned by Jon Michell in a letter to the Royal Society in 1783, black holes have captured the imagination of scientists, writers, filmmakers and other artists. Black holes are regions of space inside which the pull of gravity is so st

Science & Technology | Cool Stuff

Space buffs drool as NASA announces a major 'discovery beyond our solar system'

NASA will host a news conference on Wednesday to discuss recent discoveries of planets beyond our solar system. The even will begin at 1 p.m. ET. The public are invited to ask questions via Twitter with the hashtag #askNASA.

Science & Technology | Cool Stuff

Supernova spotted just hours after explosion

The first moments of a supernova — the spectacular explosion that marks the death of massive stars — have been spotted for the first time, astronomers announced Monday.

Science & Technology | Science

The Universe Is as Spooky as Einstein Thought - The Atlantic

In a brilliant new experiment, physicists have confirmed one of the most mysterious laws of the cosmos.

Science & Technology | Cool Stuff

Triple treat: Eclipse, comet, full moon all coming Friday night

Skywatchers will enjoy a rare space tripleheader: A penumbral lunar eclipse during the full "snow" moon and also the flyby of a comet.

Science & Technology | Cool Stuff

U.S. scientists create metallic hydrogen, a possible superconductor, ending quest

By Julie Steenhuysen CHICAGO (Reuters) - U.S. scientists have succeeded in squeezing hydrogen so intensely that it has turned into a metal, creating an entirely new material that might be used as a highly efficient electricity conductor at room temperatu

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A theory that challenges Newton's and Einstein’s gravity and nixes dark matter passed its first test — Quartz

Margot Brouwer of Leiden University is brave—and you need to be, if you're challenging Albert Einstein and Isaac Newton in one fell swoop. Brouwer and her colleagues believe that the laws of gravity, as determined by Newton and further expanded by Einst

Science & Technology | Cool Stuff

Six more fast radio bursts have been discovered coming from the same mystery cosmic source

Repeating FRBs came from same location far beyond the Milky Way where 10 had previously been detected.

Science & Technology | Cool Stuff

Black hole rips star apart, creating biggest blast ever seen

At first scientists thought the inconceivably bright flare was a supernova, but it turned out to be a far crazier cosmic collision

Science & Technology | Cool Stuff

NASA's EMDrive And The Quantum Theory Of Pilot Waves

The pilot wave model of quantum theory is an interesting idea, but it won't save the EMDrive.

Science & Technology | Cool Stuff

Scientists develop method for precisely controlling electrons

Researchers have developed a method for more precisely controlling the emission of electrons through the tiny metal tip of an electron microscope.

Science & Technology | Cool Stuff

Smallest sliver of time yet measured sees electrons fleeing atom

Ultrafast lasers have measured how long electrons take to be booted from a helium atom with zeptosecond precision – trillionths of a billionth of a second

Science & Technology | Cool Stuff

New theory explains gravity better than Einstein's relativity

Dark matter and dark energy aren't needed to explain large-scale gravitational movements under the new theory.

Miscellaneous | Potpourri

9 Things You May Not Know About Nikola Tesla - History Lists

Check out some fascinating facts about the Serbian-American physicist and engineer.

Health & Fitness | Health News

Your Brain Has A 'Physics Engine' And Scientists Have Located It

The brain knows instinctively how to predict when accidents are about to happen.

News | Interesting Links

Physicists Prove Classical Music Inhabits Separate Realm, Inaccessible To Humans

Physicists released a report Wednesday revealing that classical music exists in a field of reality entirely removed from 4D spacetime.

Miscellaneous | Interesting Links

Why Spider-Man Wouldn’t Actually Be Able to Climb Walls | Mental Floss

A new study calculates that almost half his body would have to be covered in adhesive pads to allow him to scale a building.

Science & Technology | Cosmic Research

Nobel Prize in Physics Won by Takaaki Kajita and Arthur B. McDonald for Work on Neutrinos

Two scientists from Japan and Canada have won the Nobel Prize in physics for discoveries relating to neutrinos, which increased understanding of matter and the universe.

Entertainment | Miscellanneous Trek

The Physics Of Star Trek: Why Faster Than Light Communication Is Not In Anybody's Future - Forbes

Nearly 50 years after Star Trek’s first television incarnation, subspace communications, which enabled secure faster than light galactic communications will likely remain science fiction.

Science & Technology | Medicine, Science & Technology

What if the universe had no beginning? | Science Wire | EarthSky

Reports of the death of the Big Bang have been greatly exaggerated. Big Bang theory is alive and well. At the same time, our universe may not have a beginning

History | History

5 Ways Einstein Was a Regular Guy

A new, free digital archive of his personal papers reveals what we all share with the 20th century's greatest mind.

Miscellaneous | Miscellaneous

New Clock May End Time As We Know It : NPR

Scientists working to create the perfect atomic clock have a fundamental problem: Right now, on the ceiling, time is passing just a bit faster than it is on the floor.

Entertainment | Miscellanneous Trek

Scientists come a step closer to making Star Trek's tractor beam a reality | Public Radio International

Science fiction has long envisioned "tractor" beams that could grab and move physical objects using a laser or other stream of energy. Now scientists have created one, at least on a small scale. And we have some advice if you use heat in the win

Miscellaneous | Potpourri

8 Times Physics Broke - brainjet.com

It seems things don't always work the way you'd expect, these creations appear to defy the laws of physics!