And now for a whole different kind of Quantum...

"it will soon be possible to distribute quantum information between any two points on the globe"

http://www.anu.edu.au/news/all-news/quantum-hard-drive-breakthrough

Using Quantum Mechanics to store data would be a fantastic breakthrough for the data storage, encryption/security and the general IT industry. The industry has been working on a Quantum computer for a long time and a major hurdle has now been taken.

Entangled particles are a kind of 'twins'... everything you do to one of them affects the other. Even if you move them to the other side of the world they change 'together' instantly... It's a way to transfer information but also an instant check for security. When a particle changes state on the other side of the world, its 'sister-particle' must have changed too.

In a world where the banking industry will pay fortunes to have a smaller latency in the knowledge of financial transactions, this is a defining breakthrough.

The problem with entangled particles is the fact that they loose (lost!) their state very fast. Too fast to be very useful as storage. By magnetizing the particles, scientists have 'frozen' the state. If they can for six hours at this time, there's no reason why longer periods couldn't be possible.

"The team’s record storage time of six hours is a major step towards a secure worldwide data encryption network based on quantum information, which could be used for banking transactions and personal emails."

“Quantum states are very fragile and normally collapse in milliseconds. Our long storage times have the potential to revolutionise the transmission of quantum information.”

"Quantum information promises unbreakable encryption because quantum particles such as photons of light can be created in a way that intrinsically links them. Interactions with either of these entangled particles affect the other, no matter how far they are separated."

"The team of physicists at ANU and the University of Otago stored quantum information in atoms of the rare earth element europium embedded in a crystal."

“We can now imagine storing entangled light in separate crystals and then transporting them to different parts of the network thousands of kilometres apart. So, we are thinking of our crystals as portable optical hard drives for quantum entanglement.”

Author: Joël

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