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The Most Useless Machine Ever

76 points| javery | 16 years ago |instructables.com | reply

22 comments

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[+] michael_dorfman|16 years ago|reply
Back in my high school Basic Electronics class (more then 30 years ago, now) we had to draw the schematics for electronics projects of our choosing. I tended to specialize in "useless machines", much to my instructor's befuddlement.

My favorite was the "solar-powered nightlight", which was a solar panel wired directly to a lightbulb.

[+] pohl|16 years ago|reply
That brings back memories of the Battery Discharger that I submitted to my high school science fair.
[+] gruseom|16 years ago|reply
I'm surprised no one has mentioned that the machine was invented by Claude Shannon and that this is an inferior knockoff.

The original has an uncanny hand which changes the character of the device from purely mechanical to somehow philosophical.

(Normally I'd dig up a link, but I don't have time right now.)

[+] dschobel|16 years ago|reply
It's attributed to Shannon right in the posting:

After seeing a video of such a machine I just had to have one of my own. Normal 0 According to Wikipedia, Claude E. Shannon built the first “Ultimate Machine” based on an idea by Marvin Minsky.

[+] slapshot|16 years ago|reply
Very fun in that it appears to be alive in some way and allows the user to project feelings/emotions onto it.

To me, it looks like the machine is bothered when the user flips the switch and wants to be left alone. Of course, that's ridiculous, but that's the fun of the machine.

[+] JeremyChase|16 years ago|reply
I really like this thing, but I don't see why it has to be even this complex. Although since the servo is powered in both directions, the machine will work even when upside down.

A simpler alternative would have a STSP switch with a battery and motor. When you turn the switch on the motor raises the arm and switches itself off, a weight on the arm could lower it. Then again my version wouldn't work in zero gravity.

[+] thinkbohemian|16 years ago|reply
Hmm...looks like my first internship must have replaced me with a machine.
[+] pavel_lishin|16 years ago|reply
Well, don't feel bad. That machine will get what's coming to it when they outsource its job overseas.
[+] noodle|16 years ago|reply
i think my next little building project will be trying to make this happen without electricity somehow.
[+] derefr|16 years ago|reply
I can imagine one with a crank and a flywheel, where pumping enough energy into the flywheel mechanically activates a hand that cranks in the opposite direction to discharge the potential...