Trying to combine quantum physics and blogging may sound very strange (well, it is!)  and is possibly the fruit of a deranged mind(well, that also is!). This a simply a post for bloggers (and future bloggers) out there.Ever wondered what bloggers will be like in, say, 50 or so years. What will be the most important tool they would be using (classically called the computer).The title’s the answer- they could be Quantum Bloggers(…or maybe not!)

     So, what’s all the fuss about being a Quantum Blogger? Or, more importantly what will be the tool that our future GrandBloggers (that means the grandchildren of bloggers) would be using? The answer may be Quantum Computers (Of course, that doesn’t mean that all our GrandBloggers will have to be Quantum Physicists!).

      The salient thing here is the Quantum Computer. Allow me to add a bit of historical perspective. Long ago (that’s in the 50s), computers were fat (even that is euphemistically speaking). With the advent of better tech, computer parts shrunk (and with the advent of more tech, parts shrunk even more). So came a little dilemma (a theoretical one) posed by the thinking people- we cannot possibly shrink these parts infinitely, there’s got to be a limit to it, right? (we have yet to reach that limit though). Fact is, there is (classically speaking). So came our very dear Quantum Computers (atleast in concept).

     Very strangely, though, the concept of quantum computing dates back to the 1960s. It is the brainchild of Richard Feynman(he crops up everytime, doesn’t he?). Now, before you start accusing our scientists of indolence and ‘not doing anything’, allow me to clarify, it is the strange Quantum World that we’re talking about here and by the time I explain, you’ll see how strange everything is!

      The Quantum computer is a hybrid of Quantum Physics and Computing. And when these two combine..These computers will have the computing efficiency of many classical computers put together(exponentially) and will have the ability to toy with as many figures as there are atoms in the Universe (phew!) instantly. They operate on Qubit(that’s quantum bits). While we are familiar with the 1s and 0s of classical computers, quantum computers use both at the same time(that’s the strange world of quantum physics and superposition).

      Now, let’s address the question of whether our GrandBloggers would be Quantum Bloggers? The answer(quite unfortunately or… not) is a NO! At present, the most that Quantum Computers could do is like looking up a name [very fast] in a phonebook or doing prime factorisation. That does not make them very useful (and that’s why we do not see them today on our tables)

      But let’s not just be negative about this. There might be a generation of Quantum Bloggers one day. For now, let’s just enjoy a good old Beatles song on our Macs. Who knows when these might become obsolete? Cheers to that!

                         “I, a universe of atoms, an atom in the universe.” Richard P. Feynman
 
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As an endnote, for those interested in the strange world of Quantum Computing, see:
http://arstechnica.com/science/2010/01/a-tale-of-two-qubits-how-quantum-computers-work/ or
http://computer.howstuffworks.com/quantum-computer.htm