amovrvs
- DIY
How to Make Convincing Fake-Gold Bars
On Wednesday, the BBC reported that millions of dollars in gold at the central bank of Ethiopia has turned out to be fake: What were supposed to be bars of solid gold turned out to be nothing more than gold-plated steel. They tried to sell the stuff to South Africa and it was sent back when the South Africans noticed this little problem.
5.29.2008 at 09:21pm - Comment by amovrvsthere's a compound one can put in the tungsten to make it non magnetic so the magnet test may not be the best way to test for tunsten replacement with gold bars, gold jewelry, gold in general. Joshua Freeman www.life-union.com
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December 2009: Best of What's New
In our December issue, Popular Science names the 100 best innovations of the year: bombproof wallpaper, self-parking cars, the fastest helicopter, and 97 more. Plus inventor profiles and videos.
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