[ExI] Quantum Supremacy

Dylan Distasio interzone at gmail.com
Thu Nov 30 15:02:37 UTC 2017

Thanks for posting this, John.  Very interesting!  The long term
cryptocurrency impact is also an area to watch as you highlight.

On Thu, Nov 30, 2017 at 9:47 AM, John Clark <johnkclark at gmail.com> wrote:

> ​For the first time a Quantum Computer has solved a problem that a
> conventional computer ​can not, actually 2 different Quantum Computers did
> and there is a paper from each team in the issue of the journal Nature that
> came out yesterday:
> https://www.nature.com/articles/nature24654.epdf?referrer_access_token=
> d5OIRgRXjhov_Y7aUYicHdRgN0jAjWel9jnR3ZoTv0O2y_BZ5CPS-
> KH0aejio0CrBO8pCtA0Hw4GFFcyLIGq_9sLyItmGlAGgcpoZyLC8y6KSXTgCvy
> 7v1QisLsYnG7vqi0w-vnf5I6-odil-i4Ggo4QUUcQBWJIcfy58N7x-D6YsD_nU4U1ytVuVTPC_
> 9DiOvGaqFmBfRv224xNWopYo0YSPYwYmZ6NRvXUvTz9IjU%3D&tracking_
> referrer=www.livescience.com
> /www.nature.com/articles/nature24622.epdf?referrer_access_token=
> dgXGNTysT8EwhOOZ9lOtQtRgN0jAjWel9jnR3ZoTv0MQ8a6_
> YgG4UfcW2SwV0yyUTLJhfJnff5uaj_no78zD6rP8nmDWU7noJKpPvMWclA9w
> 0aheS0c6M6vehI9x_Y8JbfCt86YmnfvcXZxYxSOKVlOHn9F
> b-nJl6gLqSwV3gVD4ALGMk31HzU-p36zd4sOlyMHyN2g8I9iV1b0Z70zl6
> VRmdR2KbTP55RsXB2mA2cQ%3D&tracking_referrer=www.livescience.com
> They used their computers to simulate a quantum system, the particular
> problem they solved is not very useful but the implications are enormous,
> it proves once and for all that a practical quantum computer that you can
> actually build can solve problems that a conventional computer can't.
> If I place 20 magnetized atoms in a lattice and then move one of those
> atoms how will the entire array move in response?  A good home computer
> could solve that problem but the difficulty increases exponentially as the
> number  of atoms increases, when you get to about 50 atoms even the largest
> supercomputer on Earth starts to beg for mercy, but in the new reports one
> quantum computer solved the 51 atom problem and the other solved 53. The
> mechanical details of the 2 machines are different, one used very tightly
> focused LASER beams and rubidium atoms and the other used electrically
> charged ytterbium ions, but they both got the job done.
> None of this is a threat to bitcoin....YET.  But the clock is ticking.
> John K Clark
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