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New Time Travel Simulation May Resolve ‘Grandfather Paradox’

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On June 28, 2009, the world-famous physicist Stephen Hawking threw a party at the University of Cambridge, complete with balloons, hors d’oeuvres and iced champagne. Everyone was invited but no one showed up. Hawking had expected as much, because he only sent out invitations after his party had concluded. It was, he said, “a welcome reception for future time travelers,” a tongue-in-cheek experiment to reinforce his 1992 conjecture that travel into the past is effectively impossible.

But Hawking may be on the wrong side of history. Recent experiments offer tentative support for time travel’s feasibility—at least from a mathematical perspective. The study cuts to the core of our understanding of the universe, and the resolution of the possibility of time travel, far from being a topic worthy only of science fiction, would have profound implications for fundamental physics as well as for practical applications such as quantum cryptography and computing.

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GRANDFATHER PARADOX

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Chef Reportedly Dies After Being Bitten By A Decapitated Snake, But Is That Even Possible?

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Huffpost Science

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Can a venomous snake really inflict a lethal bite even after its head has been chopped off? That question has been in the air since late August, when reports surfaced of a chef in China who died after being bitten by a decapitated snake.

According to an Aug. 22 report by the Daily Mirror, the chef had been preparing snake soup when he was bitten by the severed head of an Indochinese spitting cobra. The snake reportedly had been decapitated some 20 minutes before the bite occurred. The chef died before emergency workers could get to him, the Mirror reported.

Though it sounds almost impossible that such a thing could happen, the phenomenon is “entirely possible and does happen,” Dr. Matthew Lewin, director of California Academy of Sciences’ Center for Exploration and Travel Health and an expert on venomous snakebites, told The Huffington Post in an email.

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!!!!!SpittingCobra1

Indochinese spitting cobra

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Researchers Develop Transparent Solar Concentrator That Could Cover Windows, Electronics

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Huffpost Green

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Scientists at Michigan State University announced this week the creation of a “transparent luminescent solar concentrator” that could turn windows and even cellphone screens into solar-power generators.

This technology could mean that one day entire skyscrapers might be able to generate solar power without blocking out light or ruining tenants’ views.

The material works by absorbing light in the invisible spectrum (ultraviolet and near infrared) and then re-emitting it in the infrared. The infrared light is then channeled to the edge of the clear surface, where thin strips of photovoltaic cells generate the power.

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TRANSPARENT SOLAR

Solar power with a view: MSU doctoral student Yimu Zhao holds up a transparent luminescent solar concentrator module. | Yimu Zhao

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Scientists Create Giant Swarm Of Tiny Robots, And For Good Reason

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Huffpost Science

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Scientists have created a swarm of over a thousand coin-sized robots that can assemble themselves into two-dimensional shapes by communicating with their neighbours.

At 1,024 members, this man-made flock — described in the 15 August issue of Science — is the largest yet to demonstrate collective behaviour. The self-organization techniques used by the tiny machines could aid the development of ‘transformer’ robots that reconfigure themselves, researchers say, and they might shed light on how complex swarms form in nature.

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The Kilobots, a swarm of one thousand simple but collaborative robots.

Tiny Robots

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Horses ‘Talk’ To Each Other With Their Ears & Eyes, Study Shows

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Huffpost Science

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Scientists know that humans, chimpanzees, and other primates can convey surprising amounts of information by means of a glance and tilt of the head. But what about animals with eyes on the sides of their heads, like deer and horses? What kind of social cues do they use to communicate?

Now, mammal communication experts report that, at least for horses, a great deal of information is conveyed through the position of the animal’s ears as well as its eyes.

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Author Jennifer Wathan is shown with study participant Bartie.
Author Jennifer Wathan is shown with study participant Bartie.
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‘Impossible’ Engine That Makes Fuel Out Of Empty Space Tested By NASA

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~~~~TheNewYorkTimesScience1
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National Aeronautics and Space Administration has produced something(fuel) out of nothing(empty space), paving a way to the stars in the process. The new ‘impossible’ microwave propulsion system, ‘Cannae Drive’ is a concept from inventor Roger Sawyer, which NASA was initially sceptical to test.

The propulsion system uses just electricity to produce propulsion. Usually, according to the law of “equal and opposite reactions, thrusters need to eject some mass.  All scientists face the question of how to get the maximum thrust from the least amount of fuel.
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!!!!!ImpossibleEngine1Impossible engine
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This Mysterious Signal ‘Could Not Be Explained By Known Physics,’ Astronomers Say

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When astronomers detected a strange signal in a massive galaxy cluster millions of light years from Earth, they knew they had stumbled upon something big.

“I couldn’t believe my eyes,” Esra Bulbul, of the Harvard Center for Astrophysics, said in a written statement. “What we found, at first glance, could not be explained by known physics.”

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