A spacewalk is one of the most dangerous things humans do in space. Discover the science behind spacewalks and how astronauts survive, move, and work in the vacuum beyond Earth.
Discover how hair gets its color, why it turns gray, and how dyes work — explained simply with fun science and genetics on Science Buzzer.
Ever wondered how your electric toothbrush charges without any metal contacts? The secret is induction charging. Hidden coils inside the brush and the base create a magnetic field that transfers energy safely through plastic. This simple yet clever technology keeps your toothbrush waterproof, reliable, and ready for daily use.
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