Ask the Delphic Oracle: Diamond shows promise for a quantum Internet

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Sunday, May 26, 2013

Diamond shows promise for a quantum Internet

Via Nature.com:

Today's Internet runs on linked silicon chips, but a future quantum version might be built from diamond crystals. Physicists report today in Nature1 that they have entangled information kept in pieces of diamond 3 metres apart, so that measuring the state of one quantum bit (qubit) instantly fixes the state of the other - a step necessary for exchanging quantum information over large distances.

Entanglement, which Albert Einstein called 'spooky action at a distance', is one of the weird phenomena that make quantum devices promising. A quantum Internet would use entangled photons travelling down fibre-optic cables to in turn entangle qubits, with the aim of one day providing super-secure communications, or delivering software and data to future quantum computers.

Dude, where's my column?

Ah! The column. You see, the column doesn't run at the Times of India Group's indiatimes.com site any more. All columnists were taken off the Indiatimes.com site.This blog keeps the 'Ask the Delphic Oracle' thing going. If you want to view past columns, search for "All Articles and Posts for the Times of India Group". You will see a list of links in a widget underneath that heading. (e.g. Link to the column "The world's largest prime"). All the columns for the Times of India Group may be found underneath the "All Articles and Posts for the Times of India Group" heading. So, there you go.

About Us

First of all, a note. None of us are bloggers per se. We are engaged in business research, software engineering, computer science & mathematics research and journalism among other things. Thus, what we are doing here is really presenting high quality information in the form of a blog. Being a blogger is not something to be ashamed of, but here is something that we would like to warn you ahead of time: we expect standards of communication much higher than that in the average blog and Facebook profile. Not that this is nescessary for you, gentle reader, but please maintain professionalism and courtesy in all your communication with us in the context of this blog.

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Anand Manikutty got his undergraduate degree in Computer Science from the Indian Institute of Technology, something for which he still gets ribbed. He has pursued graduate work at the University of Wisconsin, the Harvard Business School and Stanford University. He is a technology entrepreneur and inventor holding over 15 patents in computer science and technology. He has over 15 research papers in computer science and engineering. He has also contributed to a textbook on strategic management. He splits time between Monterey and the crazy, exciting San Francisco Bay Area. He is working on this column in collaboration with Prof. Krishnan Shankar. Krishnan Shankar (Ravi to friends) is a Professor of Mathematics at the University of Oklahoma. His professional trajectory started in Mumbai at Ruparel through Reed College in Portland, Oregon and the University of Maryland, College Park where he obtained his Ph.D under Karsten Grove in differential geometry. His latest creation is by far his best and most demanding: his daughter, Sophie Mallika, who renews his sense of the miraculous on a daily basis. Prof. Sankaran Manikutty was a Professor (with tenure) at the Indian Institute of Management Ahmedabad. His profession trajectory started in the Indian Railways where he worked for more than two decades. He obtained his Ph.D. in Strategy (an area that used to also be called Business Policy) at the Indian Institute of Management Ahmedabad. He joined as faculty at the Indian Institute of Management Ahmedabad and rose to the position of Professor. He is now retired from service. ~

What is "Ask the Delphic Oracle"?

"Ask the Delphic Oracle" is a blog created for a Science/Technology, Mathematics and Innovation column of the same name for the Times of India Group. (It is now a spin-off from the newspaper columns and, what's more, has survived the demise of the Indiatimes.com columns section itself. The themes of the blog are Science/Technology, Mathematics, Innovation and Economics with American Studies as a focus area.) The blog is maintained by Anuradha, Anand Manikutty in collaboration with Prof. Krishnan "Ravi" Shankar. All columnists and opinion writers have been taken off Indiatimes.com, and so we will no longer be running there. At the same time, this blog has taken a life of its own and besides, there are some loose ends to tie up, not the least of which is a summer puzzle contest we conducted in association with the Stanford Math Circle. So, posting on this blog will continue, and our association with the Stanford Math Circle will continue as well.

The theme of the blog is, as you know, science, mathematics and innovation, and so we post links to news stories on science, mathematics and innovation. We do love mathematics and so we also do another thing - we use mathematical principles whenever we can, wherever we can. Given that mathematics finds applicability virtually everywhere, we make posts on a variety of themes and subjects not directly related to mathematics.

So, enjoy the blog. Enjoy the math.

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