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niyad

(122,207 posts)
2. For which I am sure that pets, and those with PTSD, appreciate the
Fri Jan 31, 2025, 11:28 PM
Jan 31

no-fireworks, as I do. Apparently, one of my neighbors has a new toy, but it is too cold to actually go out and check.

OAITW r.2.0

(29,408 posts)
3. Yes, LEDs can produce any color in the spectrum and usings a micro to change the color and light patterns is a
Fri Jan 31, 2025, 11:31 PM
Jan 31

snap today. Micro-electronics and light emitting diodes....crazy stuff.

OAITW r.2.0

(29,408 posts)
5. China lit themselves up with LEDs. Fluorescent lightbulbs were 25x the cost of LED output, in lumens.
Fri Jan 31, 2025, 11:45 PM
Jan 31

and energysavings, it changed China. Then it changed the world.

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