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Re: a reflection on ESEA
- Subject: Re: a reflection on ESEA
- From: gerald bracey <gbracey@EROLS.COM>
- Date: Thu, 14 Mar 2002 09:58:11 -0500
- Reply-to: Assessment Reform Network Mailing List <ARN-L@LISTS.CUA.EDU>
- Sender: Assessment Reform Network Mailing List <ARN-L@LISTS.CUA.EDU>
Heisenberg's principle doesn't deal with distortion. It deals with
uncertainty. You can't know velocity and position of an electron
simultaneously. By the time you measure velocity, the electron has moved
on. In order to measure position, you have to stop the electron, leaving it
with no velocity.
----- Original Message -----
From: "Art Burke" <aburke@VANSD.ORG>
To: <ARN-L@LISTS.CUA.EDU>
Sent: Thursday, March 14, 2002 10:25 AM
Subject: Re: a reflection on ESEA
>>> kber@EARTHLINK.NET 03/13 7:35 PM >>>
... But then answer Madelbrot's question, how long is the coast of England?
________________________
Just long enough to go around the whole island.
...And cannot we say with heisenberg that there mere attempt to measure by
its very
action in some way distorts that we measure
____________
Yes, at a quantum level.
Art
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