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Nov 19, 2015

Dark matter might cause fundamental constants to change over time

Posted by in categories: cosmology, particle physics

(—The fundamental constants of nature—such as the speed of light, Planck’s constant, and Newton’s gravitational constant—are thought to be constant in time, as their name suggests. But scientists have questioned this assumption as far back as 1937, when Paul Dirac hypothesized that Newton’s gravitational constant might decrease over time.

Now in a new paper published in Physical Review Letters, Yevgeny V. Stadnik and Victor V. Flambaum at the University of New South Wales in Sydney, Australia, have theoretically shown that can cause the fundamental constants of nature to slowly evolve as well as oscillate due to oscillations in the dark matter field. This idea requires that the weakly interacting dark matter particles be able to interact a small amount with particles, which the scientists show is possible.

In their paper, the scientists considered a model in which dark matter is made of weakly interacting, low-mass particles. In the early Universe, according to the model, large numbers of such dark matter particles formed an oscillating field. Because these particles interact so weakly with standard model particles, they could have survived for billions of years and still exist today, forming what we know as dark matter.

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Nov 19, 2015

Fintech from the World’s Financial Capital — London — By Andreessen Horowitz | SoundCloud

Posted by in category: finance

Nov 19, 2015

Laser ‘freeze ray’ could change cooling biology labs, computer processors

Posted by in category: computing

Laser cooling isn’t a new idea, but this is the first time it’s actually worked in real-world conditions.

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Nov 19, 2015

Crazy new Tail lights

Posted by in category: futurism

New Tail lights from Audi.

What do you think of these new Tail lights from Audi? Will they become the next big thing?

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Nov 19, 2015

‘Power Over Wi-Fi’ named one of the year’s game-changing technologies

Posted by in categories: electronics, energy, internet

University of Washington engineers have developed a novel technology that uses a Wi-Fi router—a source of ubiquitous but untapped energy in indoor environments—to power devices.

The Power Over Wi-Fi (PoWiFi) system is one of the most innovative and game-changing technologies of the year, according to Popular Science, which included it in the magazine’s annual “Best of What’s New” awards announced Wednesday.

The technology attracted attention earlier this year when researchers published an online paper showing how they harvested energy from Wi-Fi signals to power a simple temperature sensor, a low-resolution grayscale camera and a charger for a Jawbone activity tracking bracelet.

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Nov 19, 2015

Interesting Robotics/AI Animation

Posted by in category: robotics/AI

Robotic Stabilizer.

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Nov 19, 2015

Accident Creates Bone From Stem Cells

Posted by in category: biotech/medical

Bone loss and frailty greatly diminish quality of life as we get older, and learning how to regrow bone across the body is a key rejuvenation target.

Stem cells are difficult to work with

We can now produce induced pluripotent stem cells from adult tissue, but differentiating them into a specific tissue is a major challenge. We’re still working on finding the exact chemical cues that create each specific cell type, and stem cells are highly sensitive. There has been progress in many areas, but we still have a way to go.

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Nov 19, 2015

France votes to give government powers to block online communications during state of emergency — By Paul Sauers | VentureBeat

Posted by in categories: government, internet, law, policy, security


“French members of parliament (MPs) have voted to give the government extra powers to block online communications when the country is under a “state of emergency.””

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Nov 19, 2015

Presidential Candidate Suggests We Microchip Syrian Refugees

Posted by in categories: biotech/medical, geopolitics, life extension, transhumanism

A new article on my campaign with a provocative headline, but most of the story is nice. I’ll be speaking in Florida on Saturday as part of the Immortality Bus tour. We visited Alabama’s largest megachurch yesterday:

His name sounds funny to Americans, but presidential candidate Zoltan Istvan says it’s totally normal in Hungary, from where his parents hail. Istvan himself was born in Los Angeles and worked for National Geographic for years — a job that led him to explore science, particularly the concept of transhumanism, which posits that people will merge with technology.

Today, Istvan continues to write for Vice, Psychology Today, Gizmod o, and more — when he’s not campaigning across the country and promoting the Transhumanist Party platform, which promises better lives — and hopefully immortality — through science. Istvan will speak this Saturday at the Church of Perpetual Life in Hollywood, which promotes the same ideals and which New Times featured in a cover story earlier this year.

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Nov 19, 2015

Quantum Computers One Step Closer After Australian Breakthrough

Posted by in categories: computing, quantum physics

Engineers from the University of New South Wales, Australia, have made an important breakthrough that brings quantum computers one step closer to reality.

The team created a quantum version of a standard computer code within a silicon chip. The discovery shows that it is possible to construct realistic and reliable quantum computers.

Quantum computers have the potential to solve problems much more quickly than any computer that exists today, as they combine the rules of informatics to phenomena of quantum mechanics that are not observed in everyday life. Namely, the principle of superposition, popularized by Schrödinger’s cat being both alive and dead, and entanglement.

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