Cool stuff // Current TV

High Tech Gadgets and Gizmos News, Opinions, and Tips | Gizmos Hub

A blog for Users wanting to improve their use of Gadgets, Technology, Software,... more

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15 Amazing brain boggling optical illusions

You may be tricked by these mind boggling optical illusions. Believe it or not, give... more

CHANLEEPENG
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QWERTY shoes have better grip?

This shoe surfaced on the internet and who ever is responsible for the design, did a... more

itgrunts
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1 year ago
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Happy Birthday Home Computer – 33 years old today!

Imagine today is August 3rd, 1977. Would you like to buy a home computer ? Here is... more

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1 year ago
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Bicyclists Cheer! Nokia unveils Bicycle charger

Ever wanted to go on long bike rides and wanted to use your cell phone as an mp3... more

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Now Dock your Mac Book - Henge Docks!

A nice dock for your Mac Book! Thats right, Henge Docks the first true docking station... more

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Night Life of Street Racers

A brief documentary cataloging the preoccupations and inner struggles of everyday... more

MrSHYPRODUCTION
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Hot Toys Terminator 2 Sarah Connor Collectible Figure

Hot Toys is releasing a Terminator 2: Judgment Day 1/6th scale Sarah Connor... more

Sexirobot
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Six Extremely Modified People

You're wondering what the heck is wrong with these extremely unusual people.

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Unexplainable! Body Transformations That Just Went Extreme

You’re wondering what the heck is wrong with these extremely modified people.... more

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A USB Power Outlet That Will Bring USB Port On You Wall

Many gadgets and portable devices rely upon USB power to charge them selves these... more

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You Want It We Got It- B-EZ Production

A day at the flea market

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Photon 'machine gun' could power quantum computers!

Wow, now how cool is that? My inner Geek is all happy!
Here's the article...

THERE is a simple rule of computing that holds true even in the weird quantum world: increase the number of units of information available and you boost computing power. Raising the number of quantum bits, or qubits, carries an even greater reward – every additional qubit doubles the computing power.

But raising the number of qubits has proven tricky because of the difficulty of reliably producing entangled particles. Now a team has designed a system that should fire out barrages of entangled photons with machine-gun regularity.

Existing methods of producing entangled photons tend to spew out photons more or less randomly, says Terry Rudolph at Imperial College London. "People have produced six entangled photons but they come out at times we cannot control," he says. "Ultimately that isn't going to help us build a proper quantum computer."

Rudolph and Netanel Lindner at the Technion-Israel Institute of Technology in Haifa have designed the blueprint for a system that fires out large numbers of entangled photons on demand. They call it a "photonic machine gun" (Physical Review Letters, DOI: 10.1103/physrevlett.103.113602).

At the heart of the gadget is a quantum dot - a nanoscale crystal within a semiconducting device - chilled to a low temperature. When a short, strong pulse of light hits the dot, one of the electrons inside is raised to an excited state. As it "relaxes" back to its resting energy state it throws out a photon.

"We can manipulate the electron in such a way that it is entangled with the photon," Rudolph says. Excite the same electron again and it spews out a second photon that is also entangled with the electron, and therefore with the first photon too. Repeat the process many times and a string of entangled photons emerges, ready to inject into a quantum computer.

They say that a practical version could be built within a few years. "It's only within the last year or so that the [nanofabrication] technology has made this feasible," Rudolph says.

The quantum machine-gun idea has generated a buzz among researchers. "It's a superb piece of work," says Andrew White at the University of Queensland in Brisbane, Australia. "I think this is one of the most exciting theoretical proposals I've read in five years - it will be a revolutionary advance for photonic quantum computing."

What do you think? happy to find quantum and computer in the same breath? Or not so much? lolWow, now how cool is that? My inner Geek is all happy! Here's the article...... more