Channels ▼

Jack Woehr

Dr. Dobb's Bloggers

Russian rocket provides geometric analogy to quantum measurement coincidence

December 13, 2009

A Wired reprint of a Norwegian photo of the spiral cloud left by a Russian rocket spinning out of control illustrates a geometric analogy to a paradox of quantum entanglement.

The "spiral cloud" effect, a dance in the stratosphere performed collectively by ten gazillion water droplets unbeknownst to the droplets themselves, is perceptually two dimensional. To a wide range of observers at vastly different angles, the answer to the question of "in which direction does the spiral go" would be the same. Yet we know the cloud is actually three dimensional, even, in the photo itself, perhaps, four dimensional (It may have moved as the snapshot was taken. It certainly moved as the snapshot was taken.)

Doesn't this suggest that the cos theta observational coincidence in quantum physics is the rotation of a dimensionally-challenged observation and offensive neither to Bell nor to the sense of EPR ?

Related Reading


More Insights






Currently we allow the following HTML tags in comments:

Single tags

These tags can be used alone and don't need an ending tag.

<br> Defines a single line break

<hr> Defines a horizontal line

Matching tags

These require an ending tag - e.g. <i>italic text</i>

<a> Defines an anchor

<b> Defines bold text

<big> Defines big text

<blockquote> Defines a long quotation

<caption> Defines a table caption

<cite> Defines a citation

<code> Defines computer code text

<em> Defines emphasized text

<fieldset> Defines a border around elements in a form

<h1> This is heading 1

<h2> This is heading 2

<h3> This is heading 3

<h4> This is heading 4

<h5> This is heading 5

<h6> This is heading 6

<i> Defines italic text

<p> Defines a paragraph

<pre> Defines preformatted text

<q> Defines a short quotation

<samp> Defines sample computer code text

<small> Defines small text

<span> Defines a section in a document

<s> Defines strikethrough text

<strike> Defines strikethrough text

<strong> Defines strong text

<sub> Defines subscripted text

<sup> Defines superscripted text

<u> Defines underlined text

Dr. Dobb's encourages readers to engage in spirited, healthy debate, including taking us to task. However, Dr. Dobb's moderates all comments posted to our site, and reserves the right to modify or remove any content that it determines to be derogatory, offensive, inflammatory, vulgar, irrelevant/off-topic, racist or obvious marketing or spam. Dr. Dobb's further reserves the right to disable the profile of any commenter participating in said activities.

 
Disqus Tips To upload an avatar photo, first complete your Disqus profile. | View the list of supported HTML tags you can use to style comments. | Please read our commenting policy.
 


Video