Path: csiph.com!optima2.xanadu-bbs.net!xanadu-bbs.net!news.glorb.com!peer01.iad.highwinds-media.com!news.highwinds-media.com!feed-me.highwinds-media.com!usenet.blueworldhosting.com!feeder01.blueworldhosting.com!nntpswitch.blueworldhosting.com!not-for-mail
Content-Type: Text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
From: Jeff-Relf.Me <@.>
Date: Sun, 01 Nov 2015 01:40:12 -0700 (Seattle)
Message-ID: <Jeff-Relf.Me@Nov.1{1.40A.Seattle.2015}>
References: <9fOdnZS7pPB7HK7LnZ2dnUU7-f-dnZ2d@giganews.com> <3glcgc-pv3.ln1@mail.specsol.com> <C7WdnfQrc_US0qjLnZ2dnUU7-c-dnZ2d@giganews.com> <0n1ggc-fcf.ln1@mail.specsol.com> <Fb2dnZoNld9s86jLnZ2dnUU7-N2dnZ2d@giganews.com>
Newsgroups: sci.physics,comp.os.linux.advocacy,alt.computer.security,comp.sys.mac.system,alt.hacker,alt.privacy.anon-server
Subject: Why make quantum computer ?
User-Agent: Jeff-Relf.Me/X.ZIP
X-Complaints-To: abuse@blueworldhosting.com
Organization: BWH Usenet NNTPSwitch-Cluster
Lines: 12
NNTP-Posting-Date: Sun, 01 Nov 2015 03:40:13 -0500
X-Trace: 9346d5635cfedec90b8a612247
X-Received-Bytes: 1435
X-Received-Body-CRC: 2370356484
Xref: csiph.com sci.physics:529657 comp.os.linux.advocacy:330046 alt.computer.security:5453 comp.sys.mac.system:84553 alt.hacker:9347 alt.privacy.anon-server:46647

Bob_Watkins (in Sci.Physics) wrote:
> The biggest stumbling blocks in the way of practical quantum computers
> are the transmission and storage of quantum states, 
> whatever their physical embodiment, in the computer's hardware.  
> 
> Reliably entangling qbits, and then maintaining their coherence, 
> can be done, but it's difficult and it's expensive.

Quantum Computing isn't just expensive,
it's (nearly?) impossible and has no known benefits.

Why make quantum computer ?