#Quantum

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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

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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

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10 Spacetime Mysteries That Quantum Gravity Could Solve

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

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New Wormhole Could Resolve the Black Hole Information Paradox

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

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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.

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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

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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.

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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.

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‘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?

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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.

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Quantum mechanical particles travel backwards, study confirms

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

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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

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Space breakthrough: Scientists teleport photon from Earth to orbit

For the first time, scientists have successfully teleported a photon from the ground to a satellite in orbit.

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.

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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.

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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.

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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.

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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

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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 | 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.

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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.

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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.

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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

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Entangled Particles Reveal Even Spookier Action Than Thought

This finding comes from a close look at quantum entanglement, in which two particles that are "entangled" affect each other even when separated by a large distance. Now, researchers have found that even if they were to scrap this theory, allowin

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Electrons squeezed into 'one-dimensional' wires yield quantum effects

Scientists have witnessed quantum effects in electrons after squeezing them into "one-dimensional" wires.

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What is the Speed of Light? - Universe Today

Since the late 17th century, scientists have been attempting to measure the speed of light, with increasingly accurate results

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Einstein's clock: The doomed black hole to set your watch by | New Scientist

Every 12 years, a black hole at the centre of a distant galaxy completes an orbit around an even bigger black hole, marking this with a violent outburst

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Black holes not the end: Physical object could cross a wormhole into another part of the universe

Objects may be able to pass through a wormhole at the centre of a black hole despite extreme forces.

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How Does Light Travel? - Universe Today

Since ancient times, scientists have debated the true nature of light. Despite the progress we've made, there are still mysteries left to be resolved

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Engage! Quantum Thruster Physics Could Help Make Warp Drive a Reality

A type of thruster being tested in a NASA lab could help scientists unlock the key to making a 'Star Trek' inspired warp drive enabled starship.

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Looking For Higher Dimensions In Gravity - Forbes

Some theories predict the existence of higher dimensions. With sensitive gravitational experiments we can test that idea.

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Quantum weirdness may hide an orderly reality after all | New Scientist

A reboot of a classic quantum experiment suggests that photons have a well-defined trajectory, resurrecting a previously dismissed theory

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'Spooky Action' Heats Up: Atoms Entangled at Room Temperature

The world of the very small can get pretty wacky — particles can be in two or more places at once, and even become entangled, wherein actions on one entity can affect its partners across the cosmos. Physicists have broken all kinds of r

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There's a Hidden Connection Between Pi and Quantum Mechanics 

Physicists have uncovered a hidden connection between a famous 350-year-old mathematical formula for pi, everyone’s favorite irrational number, and quantum mechanics. At least one mathematician has pronounced the discovery “a cunning piece of magic.��

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Full-scale architecture for a quantum computer in silicon: Scalable 3-D silicon chip architecture based on single atom

Researchers have designed a full-scale architecture for a quantum computer in silicon. The new concept provides a pathway for building an operational quantum computer with error correction.

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10 Proposed Solutions To The Problems Of Interstellar Travel - Listverse

Right now, interstellar travel and colonization is pretty unlikely. Basic laws of physics suggest that it just can't be done, and for many people, that means it'll never be done. Those people are no...

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.

Science & Technology | Cosmic Research

Are Space and Time Discrete or Continuous? - The Nature of Reality — The Nature of Reality | PBS

Split a mile in half, you get half a mile. Split the half mile, you get a quarter, and on and on, until you’ve carved out... Read Full Post

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2 Accelerators Find Particles That May Break Known Laws of Physics - Scientific American

The LHC and the Belle experiment have found particle decay patterns that violate the Standard Model of particle physics

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Can You Really Go Back in Time by Breaking the Speed of Light? - The Nature of Reality

Nothing can travel faster than the speed of light. But if it could, the conventional wisdom goes, it would travel back in time. Is the conventional... Read Full Post

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Mystery Deepens: Matter and Antimatter Are Mirror Images

Matter and antimatter appear to be perfect mirror images of each other as far as anyone can see, scientists have discovered with unprecedented precision, foiling hope of solving the mystery as to why there is far more matter than antimatt

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How Quantum Randomness Saves Relativity

Albert Einstein is famous for two things in physics: the theory of relativity, and hating the randomness of quantum physics. Which makes it delightfully ironic that the latter is needed to preserve the former.

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Game Of Quarks: A Guide For The Perplexed

Last week, scientists working at the Large Hadron Collider announced the discovery of the "pentaquark" particle, clearing up 50 years of false signals and potential sightings, says Marcelo Gleiser.

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Six Things Everyone Should Know About Quantum Physics

Quantum physics can be intimidating, but if you keep these six key concepts in mind, you should be able to improve your understanding of it.

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Time travel and the single atom | Cosmos

Researchers have confirmed one of the most profound thought experiments of quantum physics. In the life of a single atom, present actions appear to affect past events.

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How To Find A Parallel Universe: Cern Boosts Data Intelligence

CERN is restarting its Large Hadron Collider (after a two-year massive upgrade) to start working on amazing experiments to reveal the identity of “dark matter” and to search for tiny black holes that could be gateways to parallel universes or alternat

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Quantum Computers Will Make Your Laptop Look Like an Abacus

The race to make the first quantum computer is becoming as important as the race 75 years ago to get the first nuke. It could change the balance of power in politics and business.