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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.
Now take an LED light that has the exact opposite frequency to your local power grid and hold it onto the sensor. The night light won't know what hit it!