Why do LEDs generate heat?
That's different, that's asking for generating power from nothing. I just want something that changes electricity into light and nothing else. Or virtually nothing else, like 1% of it wasted. Current LEDs I'm told waste 60%.
On Thu, 03 Oct 2019 16:35:03 +0100, Brian Gaff wrote:
One obviously has inefficiencies or the perpetual motion machine would be
everywhere.
Brian
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