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jaihobah

Tajmar tests the EM drive with DLR funding and the result is... - 3 views

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    it works! No, of course it doesn't. I've wasted your time just posting this.
jaihobah

The material science of building a light sail to take us to Alpha Centauri - 2 views

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    The Nature paper this article is reviewing (behind their paywall)

    https://www.nature.com/articles/s41563-018-0075-8
jaihobah

A Radically Conservative Solution for Cosmology's Biggest Mystery - 2 views

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    Two ways of measuring the universe's expansion rate yield two conflicting answers. Many point to the possibility of new physics at work, but a new analysis argues that unseen errors could be to blame.

    See also this work based on GAIA data that, on the other hand, reinforces the discrepancy:

    Milky Way Cepheid Standards for Measuring Cosmic Distances and Application to Gaia DR2: Implications for the Hubble Constant
    https://arxiv.org/abs/1804.10655
jaihobah

Quantum Blockchains Could Act Like Time Machines - 2 views

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    Blockchains, now with more buzzwords!
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    Time travel! Finally.
    Can we also use it for antigravity?
jcunha

A Metalens with a Near-Unity Numerical Aperture - 0 views

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    A flat metalens based on the control of the diffraction pattern of individual nanoantennas can achieve NA~1 bending light at angles as high as 82º
Marcus Maertens

What do blockchain, artificial intelligence and quantum computing mean for smart contra... - 1 views

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    How to cram in all buzzword technologies in one title. I will give it all tags we have.
marliesarnhof

MIT and newly formed company launch novel approach to fusion power | MIT News - 1 views

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    Scientists anticipate the output would be more than twice the power used to heat the plasma, achieving the ultimate technical milestone: positive net energy from fusion.
jaihobah

Probing Planets in Extragalactic Galaxies Using Quasar Microlensing - 2 views

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    Here, we show that quasar microlensing provides a means to probe extragalactic planets in the lens galaxy, by studying the microlensing properties of emission close to the event horizon of the supermassive black hole of the background quasar, using the current generation telescopes
jaihobah

Topological insulator laser - 1 views

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    These are lasers whose lasing mode exhibits topologically-protected transport without magnetic fields. The underlying topological properties lead to a highly efficient laser, robust to defects and disorder, with single mode lasing even at very high gain values.
jaihobah

Fundamental physics is frustrating physicists - 2 views

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    No GUTs, no glory
jaihobah

Europe Unveils Its Vision for a Quantum Future - 0 views

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    "...the European Commission announced in 2016 that it was investing one billion euros in a research effort known as the Quantum Technology Flagship. The goal for this project is to develop four technologies: quantum communication, quantum simulation, quantum computing, and quantum sensing. After almost two years, how is it going?"

    arxiv link to the actual report: http://arxiv.org/abs/1712.03773
jcunha

Quantum physics paves the way for new chemical products - 0 views

jaihobah

Microsoft makes play for next wave of computing with quantum computing toolkit - 1 views

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    At its Ignite conference today, Microsoft announced its moves to embrace the next big thing in computing: quantum computing. Later this year, Microsoft will release a new quantum computing programming language, with full Visual Studio integration, along with a quantum computing simulator. With these, developers will be able to both develop and debug quantum programs implementing quantum algorithms.
jaihobah

Bacteria Use Brainlike Bursts of Electricity to Communicate - 1 views

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    With electrical signals, cells can organize themselves into complex societies and negotiate with other colonies.
jaihobah

A Brain Built From Atomic Switches Can Learn - 0 views

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    A tiny self-organized mesh full of artificial synapses recalls its experiences and can solve simple problems. Its inventors hope it points the way to devices that match the brain's energy-efficient computing prowess.
jaihobah

Entanglement is Necessary for Emergent Classicality in All Physical Theories - 0 views

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    "...We show that any theory with a classical limit must contain entangled states, thus establishing entanglement as an inevitable feature of any theory superseding classical theory. "
jaihobah

Black Hole Power: How String Theory Idea Could Lead to New Thermal-Energy Harvesting Te... - 0 views

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    A new class of exotic materials could find its way into next-generation technologies that efficiently convert waste heat into electrical current according to new research. Both the exotic materials and the means by which they generate electricity rely on a hybrid of advanced concepts-including string theory combined with black holes combined with cutting-edge condensed matter physics.
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    Sounds spooky
jaihobah

Vanishing star hints at direct collapse to black hole - 0 views

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    The rules for a stellar death seem pretty simple. If the star isn't that massive, it burns out into a carbon-rich remnant called a white dwarf. If it's big enough, the star ends in a bang, exploding in a supernova that can leave behind a neutron star or a black hole.
jaihobah

[1701.01109] Fast Radio Bursts from Extragalactic Light Sails - 2 views

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    "We examine the possibility that Fast Radio Bursts (FRBs) originate from the activity of extragalactic civilizations"
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