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Unread 14-04-2006, 14:25
Salik Syed Salik Syed is offline
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Rube goldberg project...

okay so for our physics class we have to make a project which completes a simple task (this year its to cut paper) in a complex way (ever heard of rube goldberg....? google him!)
we get extrapoints for different energy transformations (i.e heat-->mechanical, chemical--->light electrical--->light) and we get extra points if the machine is resettable within 15 seconds.
we've figured out how to do everything except heat, and still make it resettable. we drop a coin which connects a light bulb, then
Basically we wired a photosensor--->transistor --->vinegar battery---> another transistor---> another lightbulb
the vinegar battery counts as chemical, the light triggers the photo sensor (light---> electrical) which allows current to flow through the vinegar battery through the transistor which relays power to the next light, this step is repeated 6 times (one lightbulb turns on the next photoresistor which turns on the next bulb which turns on the next photo resisotr etc. etc..) , the maximum number of each energy transformation is 6 so... of course to maximmize bonus points we do it 6 times.
mechanical is very easy (use motors or something) but we are boggled about how to make use heat to triggers something and still have it resettable so everything works the next time through.
any ideas?
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Last edited by Salik Syed : 14-04-2006 at 14:28.
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