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Re: [Phys-l] decibels



One possible way for a device to output more power than it takes in would be for it to be extracting thermal E from its environment. ;-)


At 12:18 PM -0700 8/29/11, Bernard Cleyet wrote:
On 2011, Aug 29, , at 10:28, chuck britton wrote:

I would expect a vacuum cleaner that has more hp output than the
watts inputted to get COLD. ;-)
.

"COLD"???