Quantum entangled-photon Chinese satellite.

Mirimir mirimir at riseup.net
Thu Aug 4 14:55:57 PDT 2016


On 08/04/2016 03:32 PM, Sci Fith wrote:
> Quantum entanglement is real. Sounds like you have some reading to do. ;) basically once particles are associated they can communicate / stay in sync regardless of distance. Amazing stuff. 

See <https://news.ycombinator.com/item?id=10269297> :)

>> On Aug 4, 2016, at 4:33 PM, juan <juan.g71 at gmail.com> wrote:
>>
>> On Thu, 4 Aug 2016 16:49:12 +0000 (UTC)
>> jim bell <jdb10987 at yahoo.com> wrote:
>>
>>>
>>>
>>> Apparently, that is true.   The tantalizing thing is that SOMETHING
>>> APPEARS   (information, of some nature) to be transferred between one
>>> particle and another, distant one, and yet there seems to be no way
>>> to use that transfer to actually transmit useful FTL
>>
>>    Which sounds rather absurd no? Either this is ordinary EM
>>    phenomena that propagate at the so called speed of light, or
>>    it is something else which could propagate at 'faster than
>>    light' speed. 
>>
>>    If 'something' is moving at faster than light speed, then some
>>    information must be being transmitted. If no information is
>>    being transmitted, then by definition, there's no way to measure
>>    speed and the claim makes no sense.
>>
>>
>>
>>> (faster than
>>> light) information.                 Jim Bell
>>>
>>> From: Bastiani Fortress <bastianifortress at yandex.com>
>>> Quantum entanglement does not provide information passing faster than
>>> light, afaik. Either i misunderstood the news, or it's being falsely
>>> advertised.
>>>
>>> 5:43 AM, August 4, 2016, jim bell <jdb10987 at yahoo.com>:
>>>
>>> http://www.dailymail.co.uk/sciencetech/article-3720772/China-launch-unbreakable-quantum-spy-satellite-say-one-day-lead-megascope-size-Earth-spot-license-plate-Jupiter-s-moons.html
>>>
>>> [quote]
>>> China to launch unbreakable quantum spy satellite - and it could one
>>> day lead to a megascope the size of Earth that could 'spot a license
>>> plate on Jupiter's moons'Satellite produces entangled photon pairs
>>> which form an encryption keyThese photons will theoretically remain
>>> linked over great distancesThis means that any attempts to listen in
>>> will be detected on the other sideScientists say this could one day
>>> make for a secure global network 
>>>
>>> Scientists in China are set to launch the world’s first ‘quantum
>>> satellite,’ which could one day make for an ultra-secure global
>>> communications network. The 1,300 pound craft contains a crystal that
>>> produces pairs of entangled photons, which will be fired to ground
>>> stations in China and Austria to form a ‘secret key.’ Entangled
>>> photons theoretically maintain their link across any distance, and
>>> according to the scientists, any attempts to breach this type of
>>> communication would be easily detectable. [end of portion quoted]
>>>
>>>
>>>                    Jim Bell
>>>
>>>
>>> (I have big questions about some of these statements in this article.
>>>  But given the subject matter, quantum entanglement, confusion by lay
>>> individuals is to be expected.)
>>
>>
> 
> 
> 



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