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joe438 · 61-69, M
You have to excite it via microwaves though? That's probably not terribly energy efficient. I think we'll be switching to more LEDs until something more efficient comes along.
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joe438 · 61-69, M
@Pianist1234 Rods? If you mean the long skinny tubes, those are probably fluorescents and are rarely found in homes. Businesses use them though.
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