Ahoy! Thar’s gold in that junk drawer! This is Sandra Tsing Loh with the Loh Down on Science… saying… At least keys, old cell phones, those weird little IKEA joints to—argh!—assemble your Bilsbo’s. All are metal, of increasing demand today, and expensive to mine. Enterprising? You could be like Vancouver’s
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Feeling eco-virtuous in that Leaf or Tesla? Slow down! This is Sandra Tsing Loh with the Loh Down on Science. “Green energy—its drawn from sunlight, air and pixie dust!” Not. Powering e-car batteries? Still mostly fossil-fueled power plants. A typical EV battery? Mostly lithium, cobalt and nickel. Such metals come
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You gotta fight for your right…to fix your iPhone! This is Sandra Tsing Loh with the Loh Down on Science. Meet Kyle Wiems, Cal Poly San Luis Obispo engineering student. 2003, Apple iBook falls off of his dorm bed! Electricity light’s dark, probably mechanical—loose wire, broken metal part— In the
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