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Archive for the ‘Inspirational’ Category

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Nanofridge could keep quantum computers cool enough to calculate

Posted by Venkatt Guhesan on May 10, 2017

Quantum computers need to be kept cool, just like regular computers, but an ordinary fan won’t cut it. A nanofridge that sorts electrons by temperature just might keep it cool enough to allow quantum compute.

Classical computers require built-in fans and other ways to dissipate heat, and quantum computers are no different. Instead of working with bits of information that can be either 0 or 1, as in a classical machine, a quantum computer relies on “qubits”, which can be in both states simultaneously – called a superposition – thanks to the quirks of quantum mechanics. Those qubits must be shielded from all external noise, since the slightest interference will destroy the superposition, resulting in calculation errors. Well-isolated qubits heat up easily, so keeping them cool is a challenge.

Over time the process has a selective chilling effect on the electrons as well: the hotter electrons jump the gap, while the cooler ones are left behind. The process removes heat from the system, much like how a refrigerator functions.

Source: Nanofridge could keep quantum computers cool enough to calculate | New Scientist

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MIT physicists have found a brand new way to unleash graphene’s superconductive power

Posted by Venkatt Guhesan on May 10, 2017

 Physicists have found a new way to turn ‘wonder material’ graphene into a ridiculously powerful superconductor, capable of shuttling electricity with zero resistance.

That’s important, because if we could find a way to achieve superconductivity at room temperature, it would lead to vastly more efficient electronic devices, not to mention power lines. Right now, energy companies are losing about 7 percent of their energy as heat as a result of resistance in the grid.

In the latest study, physicists from MIT took a flake of graphene and sandwiched it between aluminium, which behaves like a superconductor at low temperatures.

Source: MIT physicists have found a brand new way to unleash graphene’s superconductive power – ScienceAlert

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Scientists Found Cancer-Causing DNA in Stem Cells Given to Patients – Tonic

Posted by Venkatt Guhesan on April 28, 2017

https://tonic.vice.com/en_us/article/scientists-found-cancer-causing-dna-in-stem-cells-given-to-patients

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What if we’re living in a computer simulation? | Technology | The Guardian

Posted by Venkatt Guhesan on April 24, 2017

Virtual reality technology is making great advances, but it has also helped popularise a theory long debated by philosophers and now gaining supporters in Silicon Valley – that the outside world is itself a simulation

Source: What if we’re living in a computer simulation? | Technology | The Guardian

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Researchers Unearthed a New Copy of the Declaration of Independence

Posted by Venkatt Guhesan on April 22, 2017

http://www.esquire.com/news-politics/news/a54689/new-declaration-of-independence/

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Article: Physicists observe ‘negative mass’

Posted by Venkatt Guhesan on April 20, 2017

Physicists observe ‘negative mass’

http://flip.it/zOX5Z5

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Article: Why Does The Proton Spin? Physics Holds A Surprising Answer

Posted by Venkatt Guhesan on April 20, 2017

Why Does The Proton Spin? Physics Holds A Surprising Answer

http://flip.it/ZBiAfu

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A Teenager Just “Delighted” NASA By Pointing Out a Significant Error in Their Data

Posted by Venkatt Guhesan on March 23, 2017

https://futurism.com/a-teenager-just-delighted-nasa-by-pointing-out-a-significant-error-in-their-data/

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India’s Isro launches 104 satellites in a single mission to create world record

Posted by Venkatt Guhesan on February 18, 2017

India’s Isro’s [] PSLV-C37 in a single payload, included the Cartosat-2 series and 103 co-passenger satellites, together weighing over 650kg

Great achievement especially considering only three of the 103 satellites belonged to India making this mission one of the most business sense launch of this century! Kudos to India!

Read more about it at the link below.

Source: Isro launches 104 satellites in a single mission to create world record – Livemint

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Materials science: How to keep cool without costing the Earth

Posted by Venkatt Guhesan on February 16, 2017

The new film works by a process called radiative cooling. This takes advantage of that fact that Earth’s atmosphere allows certain wavelengths of heat-carrying infrared radiation to escape into space unimpeded. Convert unwanted heat into infrared of the correct wavelength, then, and you can dump it into the cosmos with no come back.

…their film, placed atop an average American house, would be enough to keep the internal temperature at 20°C on a day when it was 37°C outside. [17° difference]

Source: Materials science: How to keep cool without costing the Earth | The Economist

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