Comments on: Our Shrinking Economy

By: dɸ/dt » Blog Archive » Gigantic resistors

dɸ/dt » Blog Archive » Gigantic resistors — Wed, 03 Feb 2010 00:18:02 +0000

[...] a high voltage voltmeter and oscilloscope lately. Using a gigohm resistor (just like we use for the quarter shrinker) I can make a voltage divider, which will let me use my regular bench tools for testing. It looks [...]

By: Ric

Ric — Fri, 25 Sep 2009 16:09:39 +0000

Can you please contact me in regards to a parts list or (even better) a kit?
I would LOVE to see an instructibles for creating this with explicit directions.
Or if you are done with yours, i am willing to buy your quter shrinker

Thanks!

By: Dominic Muren

Dominic Muren — Sun, 23 Aug 2009 05:42:59 +0000

Have y’all tried this contraption on a more homogeneous coin — say a pre 1964 silver quarter, or half dollar? The lower melting point, and lack of cladding might give you a much smoother finished product.

By: Becky Stern

Becky Stern — Wed, 17 Jun 2009 14:26:48 +0000

Is 300 microfarads really the right spec on those capacitors?

By: Bill Beaty

Bill Beaty — Fri, 12 Jun 2009 07:43:58 +0000

“Who invented this thing?” Gary Hawkins did: the guy who sold you those three capacitors. (also Dale Travous; they were both sharing a lab in 1991) They published details in 1993, in the Tesla-coiler hobby magazine EXTRAORDINARY SCIENCE, Volume 5 No.3, summer 1993, p10. Bert Hickman’s site has some of my partial recollections at http://205.243.100.155/frames/Shrinking_History.htm

By: Hackerbot Labs » Blog Archive » High Speed Coin Shrinking

Hackerbot Labs » Blog Archive » High Speed Coin Shrinking — Fri, 12 Jun 2009 07:10:03 +0000

[...] to work with the fine folks at Intellectual Ventures to quantify some of what goes on with our coin shrinker. Using a bunch of neat gear (including an extremely high speed camera), we were able to learn all [...]

By: Intellectual Ventures Lab » Quarter Shrinker

Intellectual Ventures Lab » Quarter Shrinker — Thu, 11 Jun 2009 22:40:13 +0000

[...] Rob Flickenger was kind enough to bring over his device and allow us to film it. What is presented below has likely never been seen by the human eye. [...]

By: Rich

Rich — Mon, 01 Jun 2009 21:34:07 +0000

I was thinking it might be cool to try this with a canadian “toonie” (2-dollar coin).

they have an outer ring of nickel – buy their core is 92% copper.

Good hanging with you guys at maker faire.

-Rich

By: AllanD

AllanD — Mon, 01 Jun 2009 15:35:09 +0000

Would love to buy one of those shrunken quarters

By: The Cool Tech Stuff Blog » » Hackerbot Labs Resizes Quarters into Dimes

Sun, 31 May 2009 19:06:32 +0000

[...] To see more of the process including photos, check out their blog. [...]