Lifeboat Foundation

A radical discovery by researchers at Harvard and Raytheon BBN Technology about graphene’s hidden properties could lead to a model system to explore exotic phenomena like black holes and high-energy plasmas, as well as novel thermoelectric devices.

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Physicists working with a powerful observatory on Earth announced Thursday that they have finally detected ripples in space and time created by two colliding black holes, confirming a prediction made by Albert Einstein 100 years ago.

These ripples in the fabric of space-time, called gravitational waves, were created by the merger of two massive black holes 1.3 billion years ago. The Laser Interferometer Gravitational-Wave Observatory (LIGO) on Earth detected them on Sept. 14, 2015, and scientists evaluated their findings and put them through the peer review process before publicly disclosing the landmark discovery today.

SEE ALSO: Einstein was right: Scientists detect gravitational waves for the first time.

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Since Albert Einstein first predicted their existence a century ago, physicists have been on the hunt for gravitational waves, ripples in the fabric of spacetime. That hunt is now over. Gravitational waves exist, and we’ve found them.

That’s according to researchers at the Laser Interferometer Gravitational Wave Observatory (LIGO), who have been holed up for weeks, working round-the-clock to confirm that the very first direct detection of gravitational waves is the real deal. False signals have been detected before, and even though the rumors first reported by Gizmodo have been flying for a month, the LIGO team wanted to be absolutely certain before making an official announcement.

That announcement has just come. Gravitational waves were observed on September 14th, 2015, at 5:51 am ET by both of the LIGO detectors, located in Livingston, Louisiana, and Hanford, Washington. The source? A supermassive black hole collision that took place 1.3 billion years ago. When it occurred, about three times the mass of the sun was converted to energy in a fraction of a second.

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Physicists can now simulate the interiors of black holes using high-powered computers–and it looks like science fiction authors were right: black holes could be portals for space travel.

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Welcome to Quantum Hell.

Martin Bojowald, a professor of phycics at Penn State University, presents his fascinating ideas about “Loop Quantum Cosmology” in Once Before Time: A Whole Story of the Universe. “Will we ever,” Bojowald asks, “with a precision that meets scientific standards, see the shape of the universe before the big bang? The answer to such questions remains open. We have a multitude of indications and mathematical models for what might have happened. A diverse set of results within quantum gravity has revealed different phenomena important for revealing what happened at the big bang. But for a reliable extrapolation, parameters would be required with a precision far out of reach of current measurement accuracy.

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The superfluid Universe.

Quantum effects are not just subatomic: they can be expressed across galaxies, and solve the puzzle of dark matter.

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Physicists have proposed a new kind of dark matter that might consist of dark protons and dark electrons that could form dark atoms, and build up dark matter disks around galaxies.

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The cosmos came into sharper focus this week with astronomers releasing the highest resolution astronomical image yet. The product of 15 earthbound radio telescopes and a Russian satellite, the image of a black hole in a galaxy 900 millions light years away is detailed enough to show the equivalent of a US 50-cent piece on the Moon.

According to Instituto de Astrofísica de Andalucía (IAA-CSIC), which is leading the project, the image is the product of six European radio telescopes, the nine dishes of the US National Science Foundation’s Very Long Baseline Array (VLBA), and the Spektr-R satellite of the RadioAstron mission.

Continue reading “Astronomers generate image equivalent to telescope 63,000 miles wide” »