Date: Thu, 18 Nov 2010 18:59:52

Author: Anthony Lapinski

Subject: Re: Atomic Trampoline - Whatever happened to these?

Post:

No longer being made. I contacted the company directly several years ago.
They can't find a new supplier for the specialized alloy.

http://ice.chem.wisc.edu/Catalog/SciKits.htm#Anchor-Amorphous-62902

Also see:

http://mrsec.wisc.edu/Edetc/background/amorphous/index.html

I saw one of these in the PIRA room at a summer meeting maybe five years
ago. Wish I had purchased the kit back then, but I think they were around
$65.


tap-l@lists.ncsu.edu writes:
>
>I can't find any listings online. The one referenced below says that
>it's out of stock.
>
>Does anyone know where these might still be available?
>
>Paul
>
>
>On Sep 27, 2005, at 3:35 PM, A Gavrin wrote:
>
>> (sorry I lost the original message in this thread)
>>
>> Another possibility is the "Atomic Trampoline"
>>
>> This is a kit that consists of two lucite tubes each with a stainless
>steel plug in the base. One plug has a thin amorphous metal disk spot
>welded to it. You drop a ball bearing into each tube side by side. The
>difference is quite striking. It works for the same reason as "regular"
>glass does. The amorphous metal has no crystal structure, so it cannot
>absorb energy easily by creating and moving dislocations.
>>
>> For the kit, go to
>http://ice.chem.wisc.edu/catalogitems/ScienceKits.htm and scroll about
>two thirds of the way down (or search for the word "amorphous.")
>>
>> You can see a movie of this at
>http://www.liquidmetal.com/media/ball_bounce_DSL.mov
>> (where they are pushing the technology for things like golf clubs).
>>
>>
>>
>> --
>> Andrew D. Gavrin
>> Associate Professor of Physics Associate Dean, IUPUI School of Science
>> LD 222, 402 N. Blackford St.
>> Indianapolis, IN 46202-3273
>>
>> 317-274-6909 (Phys)
>> 317-274-0636 (Sci)
>> agavrin@iupui.edu
>>
>
>
>
>
>



From tap-l-owner@lists.ncsu.edu Thu Nov 18 21:14:58 2010
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