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The INTERNET Database of Periodic Tables

There are thousands of periodic tables in web space, but this is the only comprehensive database of periodic tables & periodic system formulations. If you know of an interesting periodic table that is missing, please contact the database curator: Mark R. Leach Ph.D.

Use the drop menus below to search & select from the more than 1100 Period Tables in the database:

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2012

iPhone, Periodic Table of

An article in Scientific American Digging for Rare Earths: The Mines Where iPhones Are Born.

"About 60 miles southwest of Las Vegas, in a mine some 500 feet deep, the beginnings of an iPhone come to life. But the sleek, shiny iPhone is far, far removed from the rocks pulled out of this giant hole, which looks like a deep crater on the moon. Inside the rocks from this mine are rare-earth minerals, crucial ingredients for iPhones, as well as wind turbines, hybrid cars, and night-vision goggles. Minerals such as neodymium are used in magnets that make speakers vibrate to create sound. Europium is a phosphor that creates a bright red on an iPhone screen. Cerium gets put into a solvent that workers use to polish devices as they move along the assembly line, etc.":

Thanks to Eric Scerri for the tip!
See the website EricScerri.com and Eric's Twitter Feed.

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What is the Periodic Table Showing? Periodicity

© Mark R. Leach Ph.D. 1999 –


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