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Night lights that detect light levels are probably flickering so fast that it just appears to be on
(self.showerthoughts)
A "Showerthought" is a simple term used to describe the thoughts that pop into your head while you're doing everyday things like taking a shower, driving, or just daydreaming. The best ones are thoughts that many people can relate to and they find something funny or interesting in regular stuff.
From this source:
I'm high and I just wanted to post something low effort that I thought was funny. I know it's more complex than the way I described it.
Edit: also, diodes are directional. Saying that a photodiode is "a diode wired in reverse" should be the first sign that I know more than what I'm actually saying. All diodes are capable of reacting to light, a photodiode exploits and amplifies the principle.