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Heaviest Metal

Monday, November 3, 2008

The heaviest metal in the world is iridium. It was discovered in 1804 by Smithson Tennant of the United Kingdom. Iridium, which is a silvery-white metal of the platinum group, weighs 1,414 pounds a cubic foot or roughly two-thirds of a ton. Lithium, the lightest metal, weighs 33 pounds per cubic foot.

If you could stand an elephant weighing nearly six tons at one end of a seesaw, you would need only a two-foot cube of iridium at the other end to lift the animal. Such a cube would cost nearly 15,000,000 pounds.


Christine Hutchins November 3, 2008 at 9:43 PM  

Wow! That metal is really heavy. Thanks for sharing.

Online Mommy March 3, 2009 at 5:37 AM  

we have the same post. hehe! ^^

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