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Interstellar invader Comet 3I/ATLAS is still full of surprises — an unexpected brightening has scientists baffled
The interstellar invader Comet 3I/ATLAS is continuing to surprise scientists, this time by brightening at an unexpectedly rapid pace as it made its closest approach to the sun. Experts studying the ...
The Joule Thief Circuit is a simple and clever electronic design that can power an LED using a nearly dead battery.
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