/sci/ - Science & Math » Thread #13724894

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Anonymous Thu 07 Oct 13:33:46 2021 No.13724894 View Reply Original Report

Quoted By: >>13724905 >>13724984 >>13725269 >>13725319

You can run electricity up and down a long thin piece of metal, making radio waves. Can you make it make visible light instead? Does it need more electricity?

Anonymous

Anonymous Thu 07 Oct 2021 13:36:14 No.13724905 Report

Quoted By: >>13724913

>>13724894
What is a light bulb?

Anonymous

Anonymous Thu 07 Oct 2021 13:39:36 No.13724913 Report

Quoted By:

>>13724905
I'm confused. Infrared is between radio and visible light but the infrared antenna in my tv remote is smaller than a radio antenna and smaller than a light bulb?

Anonymous

Anonymous Thu 07 Oct 2021 13:59:52 No.13724984 Report

Quoted By: >>13725152

>>13724894
Enough current and your metal will be glowing

Anonymous

Anonymous Thu 07 Oct 2021 14:50:04 No.13725152 Report

Quoted By: >>13725238 >>13725245

>>13724984
What is the key variable that changes the wavelength?

Anonymous

Anonymous Thu 07 Oct 2021 15:27:47 No.13725238 Report

Quoted By:

>>13725152
The type of material being energized. Specifically the atomic structure of the medium. Metal atoms are good at producing radio waves.
Look up Bremsstrahlung.

Anonymous

Anonymous Thu 07 Oct 2021 15:31:02 No.13725245 Report

Quoted By:

>>13725152
Keep in mind that for materials carrying an electric current, induction will cause heat build up which radiates visible light at a certain temperature, varies with material.

Anonymous

Anonymous Thu 07 Oct 2021 15:41:49 No.13725269 Report

Quoted By:

>>13724894
>this image
why

Anonymous

Anonymous Thu 07 Oct 2021 15:56:44 No.13725319 Report

Quoted By:

>>13724894
If you can somehow find a way to generate an AC current at several hundred terahertz then probably

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