| Subject: | Re: 2nd law of thermodynamics in question |
|---|---|
| From: | "Paul" <softwarelabus@xxxxxxxxx> |
| Date: | 8 Dec 2006 09:39:58 -0800 |
| Newsgroups: | sci.physics |
Edward Green wrote: > Paul wrote: > > > It seems you are referring to the resistor and LED experiment. I am > > working on something far more productive. Of what use would it be to > > prove a LED could indeed generate photons caused by thermal noise? > > Black bodies are rumored to do this too. All atoms on Earth emit and absorb black body radiation. The LED can be toggled on/off. Furthermore the red so-called photons from the LED can be focused on the resistor or coated to absorb its own radiation. Yes, you can also focus T-rays, but such a lens is a two way street unless you are talking about more advanced technology other than a simple T-ray lens. The amount of black body radiation entering the LED remains the same regardless if the LED is emitting so-called photons or not. Again, in experiment #1 the resistor absorbs the so-called photons from the LED, but in experiment #2 the LED absorbs its own so-called photons due to a coating over the LED. Therefore, if one argues that the resistor and LED remain at the same temperature in experiment #1 then I simply point out that the LED therefore must be hotter than the resistor in experiment #2. :-) Regards, Paul |
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