Browse 625 videos in category Science
Certain crystals, like quartz will produce a voltage when hit. It's all to do with the arrangement of atoms and charge in the lattice. It's used in lots of things like piezo lighters, sensors, speakers and oscillators for timekeeping.
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When mercury is added to aluminum, it forms an amalgam (a mercury alloy).
Aluminum is normally protected by a thick oxide layer, but the formation of the amalgam disrupts it. It allows fresh aluminum to react with air to form white aluminum oxide. As the oxide grows, it forms a…
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- 5 comments
Yooperlites are Syenites rich in fluorescent Sodalite, found on Lake Superior beaches in Michigan's Upper Peninsula.
It’s technically called a “Syenite Clasts Containing Fluorescent Sodalite” but Erik wanted something easier to pronounce. So he coined the name “Yooperlite” and has now trademarked the Yooperlite name.
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- 4 comments