[Elecraft] Monitor output...

[Vic K2VCO]

These aren't 'corollaries' to Heisenberg's principle, exactly. They are just things that 
remind one of it!

On 5/16/2011 2:24 PM, Jim Brown wrote:
> On 5/16/2011 10:21 AM, k6rb at baymoon.com wrote:
>> Actually, Heisenberg's uncertainty principal had to do with trying to
>> determine the position and velocity of an electron through observation.
>
> There are many corollaries to the uncertainty principle. Another is that
> it is impossible to measure a system without disturbing it.  Many
> examples. You place a voltmeter across a circuit, it draws some current,
> which changes the voltage. You want to know the temperature in a closed
> space, you open the door to measure it and the temperature changes. Or
> the presence of the thermometer changes the thermal mass slightly. And
> so on.
>
> 73, Jim K9YC

-- 
Vic, K2VCO
Fresno CA
http://www.qsl.net/k2vco/