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Tag: Gold
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Science Minute – Gold Pennies
If you ever find a “gold” penny in your pocket of change, don’t quit your day job. In today’s Science Minute, Steve Spangler reveals the reason why those gold pennies find their way into circulation about this time every year thanks to Leprechauns or some clever chemistry students.
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NASA Heroes Awarded Congressional Gold Medal
The Gold Medal, Congress’s highest expression of national appreciation for distinguished achievements and contributions, is presented to four storied NASA astronauts: John Glenn, Neil Armstrong, Michael Collins, and Buzz Aldrin. The Capitol Hill award ceremony was hosted by House and Senate leaders of both parties.
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Watch Atoms of Gold on FeO Move Under an Electron Microscope
Watch as atoms of gold particles move under elevated temperatures in a TEM using a Protochips Aduro holder. Near the end 2 gold particles actually merge to form 1.
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St. Patrick’s Day Science – Making Gold Pennies
Read the full experiment at http://www.stevespanglerscience.com/experiment/gold-pennies Theres just something strange about a gold penny. First of all, gold pennies dont exist unless youre a 20th-century alchemist who knows something about the science of alloys. Modern day alchemists, cleverly disguised as chemistry teachers, often share the secret of making gold pennies. Students take home an unforgettable lesson in alloys and a keepsake penny that can never be put back into circulation even though its a gold penny, the US Treasury has a little problem with people buying something with gold pennies.