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Archive for the ‘quantum physics’ category: Page 514

May 3, 2018

The Energy Department is Investing $30 Million in Quantum Research

Posted by in categories: computing, quantum physics

Is quantum computing the next big thing? Energy thinks it may be.

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May 2, 2018

Nobody knows how far off useful quantum computers are: Here’s why

Posted by in categories: computing, quantum physics

The recent breakthroughs in quantum physics expand on work down nearly two decades ago. So how far away are useful quantum computers?

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May 1, 2018

If quantum computers threaten blockchains, quantum blockchains could be the defense

Posted by in categories: bitcoin, business, computing, encryption, quantum physics

Business Impact

If quantum computers threaten blockchains, quantum blockchains could be the defense.

Quantum computers could break the cryptography that conventional blockchains rely on. Now physicists say a way of entangling the present with the past could foil this type of attack.

Continue reading “If quantum computers threaten blockchains, quantum blockchains could be the defense” »

May 1, 2018

A new physics discovery could change the game for quantum computing

Posted by in categories: computing, mathematics, particle physics, quantum physics

From tunneling through impenetrable barriers to being in two places at the same time, the quantum world of atoms and particles is famously bizarre. Yet the strange properties of quantum mechanics are not mathematical quirks—they are real effects that have been seen in laboratories over and over.

One of the most iconic features of quantum mechanics is “entanglement”—describing particles that are mysteriously linked regardless of how far away from each other they are. Now three independent European research groups have managed to entangle not just a pair of particles, but separated clouds of thousands of atoms. They’ve also found a way to harness their technological potential.

When particles are entangled they share properties in a way that makes them dependent on each other, even when they are separated by large distances. Einstein famously called entanglement “spooky action at a distance,” as altering one particle in an entangled pair affects its twin instantaneously—no matter how far away it is.

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Apr 30, 2018

Futurist Gray Scott

Posted by in categories: business, quantum physics, robotics/AI, singularity, virtual reality

https://www.patreon.com/GrayScott
Newsletter — https://www.grayscott.com/newsletter
Twitter: @grayscott
Instagram: https://www.instagram.com/gray_scott/

Transcript:

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Apr 27, 2018

Scientists Discover How to Harness the Power of Quantum Spookiness

Posted by in categories: mathematics, particle physics, quantum physics

From tunneling through impenetrable barriers to being in two places at the same time, the quantum world of atoms and particles is famously bizarre. Yet the strange properties of quantum mechanics are not mathematical quirks—they are real effects that have been seen in laboratories over and over.

One of the most iconic features of quantum mechanics is “entanglement”—describing particles that are mysteriously linked regardless of how far away from each other they are. Now three independent European research groups have managed to entangle not just a pair of particles, but separated clouds of thousands of atoms. They’ve also found a way to harness their technological potential.

When particles are entangled they share properties in a way that makes them dependent on each other, even when they are separated by large distances. Einstein famously called entanglement “spooky action at a distance,” as altering one particle in an entangled pair affects its twin instantaneously—no matter how far away it is.

Continue reading “Scientists Discover How to Harness the Power of Quantum Spookiness” »

Apr 27, 2018

Quantum entanglement demonstrated at a level visible to the naked eye

Posted by in category: quantum physics

Scientists have entangled two objects on the macroscopic level for the first time.

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Apr 26, 2018

Quantum radar to render stealth technologies ineffective

Posted by in categories: computing, military, quantum physics

Stealth technology may not be very stealthy in the future thanks to a US$2.7-million project by the Canadian Department of National Defence to develop a new quantum radar system. The project, led by Jonathan Baugh at the University of Waterloo’s Institute for Quantum Computing (IQC), uses the phenomenon of quantum entanglement to eliminate heavy background noise, thereby defeating stealth anti-radar technologies to detect incoming aircraft and missiles with much greater accuracy.

Ever since the development of modern camouflage during the First World War, the military forces of major powers have been in a continual arms race between more advanced sensors and more effective stealth technologies. Using composite materials, novel geometries that limit microwave reflections, and special radar-absorbing paints, modern stealth aircraft have been able to reduce their radar profiles to that of a small bird – if they can be seen at all.

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Apr 20, 2018

Ultra-Cold Atoms Recreate the Expanding Universe in Tabletop Experiment

Posted by in categories: cosmology, particle physics, quantum physics

Eerie similarities unite vastly different scientific ideas in sometimes utterly surprising ways. One of these similarities may have allowed scientists to recreate the expanding universe—on a countertop.

Researchers accomplished their feat using Bose-Einstein condensates, which are collections of certain atoms held to the near coldest-possible temperatures. Bose-Einstein condensates let scientists see teeny quantum mechanical effects on a much larger scale, and have been used to do lots and lots of wild physics. These scientists hope they can use its quirks to model the behavior of the far grander cosmos.

“It’s hard to test theories of cosmology,” study author Gretchen Campbell, from the University of Maryland’s Joint Quantum Institute, told Gizmodo. “Maybe we can actually find a way to study some cosmological models on the laboratory scale.”

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Apr 20, 2018

Quantum Radar Could Make Stealth Technology Obsolete

Posted by in category: quantum physics

Entangled photons are the secret sauce in quantum radars that detect stealth bombers.

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