Braingle Lite

Jim and Joe

Submitted By:Oxiproxd9
Fun:*** (2.69)
Difficulty:* (0.82)

Jim and Joe were close brothers until Jim graduated from Yale and became a renowned scientist who made millions. Not wanting to be outdone, Joe invited Jim over to a mansion that he claimed was his. He showed Jim many wonderful things inside the house one of which was a golden statue.

"This was a little gift from a friend of mine," Joe said, rapping on it with his fist, "It's made out of pure gold. See? Even my powerful fist can't make a dent in it."

"I have to say, this is all impressive," Jim admitted, "but I know this is all fake, Joe."

How did Jim know Joe was lying?

Show Answer

Comments on this teaser

Posted by jordy5605/20/11
Learn something new everyday! Good job on the teaser. :D :D :D

Posted by westbrook105/20/11
That was pretty easy but fun!

Posted by Smarty_Pants32105/21/11

Posted by ankitankurddit05/23/11
This was something good. :)

Posted by princess200706/02/11
Easy but fun. :D

Posted by kittygirl1907/27/11
My hard pure gold cat is all truth.

Posted by kittygirl1910/23/11

Posted by Candi706/15/12
I've known that since 2nd grade, which was when a friend of mine who is clearly above average IQ explained to the class that something could be metal AND soft, pure gold. 8)

Posted by Gwendalla07/12/12
Overall, I loved the story, but I felt it was just a bit of a giveaway by stating "See? Even my powerful fist can't make a dent in it." Well done, but beware giveaways!!!

Posted by eighsse07/28/13
I know that pure gold is much softer than most metals. But is it really THAT soft that knocking on a large, solid statue would dent it? If I were to knock on a gold bar, would it dent that easily? I'm not saying it's wrong, because I really don't know; but I'm saying that I would be surprised if it's THAT soft.

Posted by sciencesteven10/24/13
It was pretty easy. I got it as soon as he said it was pure gold. 8)

Posted by Valannin10/13/16
The Mohs Scale measures hardness in terms of scratch resistance, not malleability or deformation. Vickers measures hardness in terms of plastic deformation. Vickers strength of pure gold is about 30-34, which means you'd need about 34 kg of force per square millimeter to deform it. Casually "rapping" with your fist on a solid, pure gold statue with your fist would not be enough to "mold" or deform it. Besides, the word "pure" is not a true measurement of fineness in gold. If Joe had said his statute was 999.999 pure, he'd be lying as such purity is next to impossible to obtain. 100 percent pure gold doesn't even exist, not even in nature.


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