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This discovery could show our universe is teeming with advanced alien civilisations capable of building giant ‘megastructures’

Scientists have made a discovery which could be a crucial step in proving that our universe is populated by vast numbers of advanced alien …

Habitats

First observation of the quantized exciton-polariton field and effect of interactions on a single polariton

• J. L. O’Brien<p>, Optical quantum computing.Science 318, 1567–1570 (2007).<p>J. I. Cirac,<br>• P. Zoller,<br>• H. J. Kimble,<br>• H. Mabuchi<p>, Quantum state transfer and …

Quantum Mechanics

Back to the Future Gets Time Travel Wrong. The Terminator Gets It Right.

Here’s the difference.<p>Some movies do time travel right. Other movies do time travel wrong.<p>This is not an artistic assessment. It’s a metaphysical …

Science Fiction

Why now doesn’t exist, and other strange facts about time

Time is relatively well-described in current physical theories – it’s just that those descriptions are perplexingly at odds both with each other and …

Physics

Extending Wheeler’s delayed-choice experiment to space

• J. G. Rarity,<br>• P. R. Tapster,<br>• P. M. Gorman,<br>• P. Knight<p>, Ground to satellite secure key exchange using quantum cryptography.New J. Phys. 4, 82 (2002).<p>M. …

Quantum Mechanics

If You Thought Quantum Mechanics Was Weird, Wait Till You Hear About Entangled Time

In the summer of 1935, the physicists Albert Einstein and Erwin Schrödinger engaged in a rich, multifaceted and sometimes fretful correspondence …

Quantum Mechanics

Pilots say they spotted UFOs while flying over Arizona

<b>(CNN) —</b> Two commercial pilots flying over the Arizona desert claim they saw an unidentified flying object pass overhead, according to a radio broadcast released by the Federal Aviation Administration.<p>A Learjet pilot and an American Airlines pilot saw the object on February 24 and radioed the …

Paranormal

With 'Siren,' Unreal Engine blurs the line between CGI and reality

Epic Games has been obsessed with real-time motion capture for years, but the company is now trying to take its experiments with the technology one step further. Enter "Siren," a digital personality that it created alongside a few prominent firms in the gaming industry: Vicon, Cubic Motion, …

Epic Games

Quantum speed limits are not actually quantum

Quantum mechanics has fundamental speed limits—upper bounds on the rate at which quantum systems can evolve. However, two groups working …

Quantum Mechanics

Mysterious Milky way signal comes from the past, not dark matter

A mysterious cosmic signal radiating from the center of our Milky Way galaxy is actually triggered by ancient stars, rather than dark matter, according to a new study.<p>There is a mysterious abundance of high-energy gamma-rays at the Milky Way's core, also known as the galactic bulge. Previous …

Dark Matter

Theoretical quantum spin liquid prepared for the first time

In 1987, Paul W. Anderson, a Nobel Prize winner in physics, proposed that high-temperature superconductivity, or loss of electrical resistance, is …

Quantum Mechanics

Stephen Hawking & Time Travel: Did He Believe It Was Possible?

Stephen Hawking may have passed away, but his views on science and physics will be studied for decades to come. Arguably one of the most brilliant …

We probably won’t hear from aliens. But by the time we do, they’ll be dead.

If signals from an alien civilization ever reach Earth, odds are the aliens will already be dead.In an effort to update the 1961 Drake Equation, …

Aliens

The Navy keeps encountering mysterious UFOs — and no one can figure out what they are

"I can tell you, I think it was not from this world," retired US Navy pilot Commander David Fravor told ABC News in an interview in December 2017.<p>"I'm not crazy, haven't been drinking. It was — after 18 years of flying, I've seen pretty much about everything that I can see in that realm, and this …

Paranormal

Elon Musk says AI threat greater than nuclear warheads: ‘it scares the hell out of me’

The founder of Tesla, SpaceX and PayPal, Elon Musk, has once again warned against the perils of developing artificial intelligence and the need for …

Down the Quantum Rabbit Hole

Anesthesiologist Stuart Hameroff believes tiny structures in our cells called microtubules could explain consciousness. Steve Craft<p>Fellow scientists …

Experimenters Observe Strange Magnetic Phenomenon First Predicted in the 1930s

Scientists have experimentally observed a physical concept that was first theorized in 1931 for the first time—one that could result in important …

Quantum Mechanics

Astrophysicists Have Built The Most Detailed Simulation of The Universe Ever Created

1 billion light years in a supercomputer.<p>Saying our Universe is a big place is a bit of an understatement. And with recent advances in our …

Want to Fall in Love With Your Partner Again? Science Says to Ask Them These 36 Questions | Inc.com

Relationships are hard. They can bring out the best in us, yes, but also the worst. They test the very essence of our beings: our capacity for forgiveness; our ability to trust (both ourselves and another); the true extent of our self-love; the strength of our boundaries; and the power of …

Relationships

Trust is good, quantum trickery is better

An international team of scientists has proven, for the first time, the security of so-called device-independent quantum cryptography in a regime …

Quantum Computing

Killer Whales Mimic Human Voices and Other Whales in Strange Recording

Turns out orcas are really good at human impressions.<p>You may have heard parrots mimic human words, a dog’s bark, and even R2-D2’s beeps and boops. …

Dialects
Physics

13 Surprisingly Weird Reasons Why Crows And Ravens Are The Best Birds, No Question

They're definitely better than monkeys.<p>We're sure you have your favourite animal. It may even be a really smart one. But corvids - such as crows, …

Birds

Your eyes may be key to healing your mind

Psychologists use eye movement to treat stress and other disorders.<p>Over the years, there’s been no shortage of interesting alternatives to typical …

The Brain

The Universe Shouldn’t Exist, CERN Scientists Announce

BASE particle physicists have discovered a very precise way to examine antimatter.<br>Read More

Physics

Researchers have figured out why sitting all day is so bad for your health

Sitting all day —at the office, in transit to and from work, and on the couch when we get home — is terrible for us. Staying seated for too long is associated with increased risk for diabetes and various cancers, and it can more than double a person's risk for cardiovascular disease.<p>That's no …

Health

If you can solve one of these 6 major math problems, you'll win a $1 million prize

In 2000, the Clay Mathematics Institute announced the Millennium Prize problems. These were a collection of seven of the most important math problems …

Mathematics

Physicists just invented an essential component needed for quantum computers

In 2016, the Nobel Prize in Physics went to three British scientists for their work on superconductors and superfluids, which included the …

Quantum Mechanics

Woman who can smell Parkinson's disease helps scientists develop first diagnostic test

A British woman who can smell Parkinson’s disease has helped scientists discover 10 molecules linked to the condition which could lead to the first diagnostic test.<p>Researchers at Manchester University first began to believe Parkinson’s might have a discernible odour when Joy Milne of Perth, …

These 5 Traits Can Help You Spot a Real Narcissist

These people aren't just "selfish".<p>If you think you might be a narcissist – or if you think your boss, best friend, or partner might be one – you …