Comments for Wavewatching http://wavewatching.net Observations on the nascent quantum computing industry & physics Thu, 11 Dec 2014 05:43:06 +0000 hourly 1 http://wordpress.org/?v=4.0.1 Comment on The Race Towards Universal Quantum Computing – Lost in Confusion by Henning Dekant http://wavewatching.net/2014/12/07/the-race-towards-universal-quantum-computing-lost-in-confusion/#comment-82156 Thu, 11 Dec 2014 05:43:06 +0000 http://wavewatching.net/?p=3353#comment-82156 Appreciate the sentiment, but I wish that these journalists were paying more attention. Through networking I get to talk to plenty of researchers in the field, but I am pretty sure nobody will return a cold call I make. If on the other hand you can say that you write for Nature I am pretty sure that’ll make a bit of a difference.

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Comment on The Race Towards Universal Quantum Computing – Lost in Confusion by bettingman http://wavewatching.net/2014/12/07/the-race-towards-universal-quantum-computing-lost-in-confusion/#comment-82147 Mon, 08 Dec 2014 21:59:59 +0000 http://wavewatching.net/?p=3353#comment-82147 Perhaps you have to be that reporter Henning…

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Comment on The Race Towards Universal Quantum Computing – Lost in Confusion by Henning Dekant http://wavewatching.net/2014/12/07/the-race-towards-universal-quantum-computing-lost-in-confusion/#comment-82146 Mon, 08 Dec 2014 16:46:14 +0000 http://wavewatching.net/?p=3353#comment-82146 May have to print that one out and hang it on the wall :-)

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Comment on The Race Towards Universal Quantum Computing – Lost in Confusion by Geordie http://wavewatching.net/2014/12/07/the-race-towards-universal-quantum-computing-lost-in-confusion/#comment-82145 Mon, 08 Dec 2014 16:22:05 +0000 http://wavewatching.net/?p=3353#comment-82145 Topical: “Sufficiently advanced incompetence is indistinguishable from malice” — Grey’s Law.

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Comment on The Race Towards Universal Quantum Computing – Lost in Confusion by Geordie http://wavewatching.net/2014/12/07/the-race-towards-universal-quantum-computing-lost-in-confusion/#comment-82144 Mon, 08 Dec 2014 15:32:01 +0000 http://wavewatching.net/?p=3353#comment-82144 Your article was about 10^infinity times better than the Nature article.

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Comment on The Unintentional Obsfuscation of Physics by Quax http://wavewatching.net/2014/10/27/the-unintentional-obsfuscation-of-physics/#comment-82141 Mon, 08 Dec 2014 03:31:18 +0000 http://wavewatching.net/?p=3325#comment-82141 This is certainly one of the better articles but the water remark is a head scratcher. The helium cycle may have a water cooled condenser, but this won’t require any flow-through. It’s not like this thing puts out huge amounts of heat that need to be dissipated.

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Comment on The Unintentional Obsfuscation of Physics by Sol Warda http://wavewatching.net/2014/10/27/the-unintentional-obsfuscation-of-physics/#comment-82136 Fri, 05 Dec 2014 15:00:53 +0000 http://wavewatching.net/?p=3325#comment-82136 Hi Henning: Here is an interesting article in the New Scientist about D-Wave. One thing I don’t understand is their claim that they had problem with “water cooling” the computer! “Water Cooling?” I didn’t think D-Wave used “water cooling”. You may enlighten me. Thanks.

http://www.newscientist.com/article/mg22429983.300-google-and-nasa-ride-dwave-to-a-quantum-future.html

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Comment on The Unintentional Obsfuscation of Physics by Elangel Exterminador http://wavewatching.net/2014/10/27/the-unintentional-obsfuscation-of-physics/#comment-81939 Fri, 31 Oct 2014 15:05:01 +0000 http://wavewatching.net/?p=3325#comment-81939 The ShaoLin Master told the Professor: “Ye shall now take the perilous path of relearning, the one which is full of hurts and bruises.”!

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Comment on The Unintentional Obsfuscation of Physics by Quax http://wavewatching.net/2014/10/27/the-unintentional-obsfuscation-of-physics/#comment-81928 Wed, 29 Oct 2014 23:49:05 +0000 http://wavewatching.net/?p=3325#comment-81928 Very interesting. Didn’t know about this algebraic peculiarity either. Intriguing line of thought that may shed some light on why quantization occurs in the first place. Schrödinger thought he had the answer when he proposed his wave model, but obviously crucial aspect have been missing in that picture.

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Comment on The Unintentional Obsfuscation of Physics by Hans van Leunen http://wavewatching.net/2014/10/27/the-unintentional-obsfuscation-of-physics/#comment-81926 Wed, 29 Oct 2014 11:10:29 +0000 http://wavewatching.net/?p=3325#comment-81926 It is not generally known that separable Hilbert spaces can only handle number systems that form division rings. This was inescapably proven by Maria Pia Solèr in the sixties of the last century.
Only three suitable division rings exist: the real numbers, the complex numbers and the quaternions. The fist two are contained in the last one. Thus the most elaborate separable Hilbert space is a quaternionic Hilbert space. “Division algebras and quantum theory” by John Baez. http://arxiv.org/abs/1101.5690

Also most scientist do not notice what separable stands for. It means that eigenspaces of operators can only contain a countable number of eigenvalues. For example operators whose eigenspaces contain all rational numbers may exist, but operators whose eigenspaces contain all (or a closed set of) real numbers can only exist in a non-separable Hilbert space, such as a Gelfand triple. By the way, each infinite dimensional separable Hilbert space owns a Gelfand triple.

Another fact that hardly anyone knows is that quaternionic number systems, coherent sets of quaternionic numbers and continuous quaternionic functions exits in 16 versions that only differ in their discrete symmetry sets. This is due to the four dimensions of quaternions. For example quaternionic number systems exist in left handed and right handed versions.

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