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A small turbine or possibly Peltier Junction to
generate current from shower waste water
and drive a motor which will lift a weight
concealed in a wall. The gravitational
potential will be used to turn the centrifuge
when your shampoo bottle runs empty.
I figure (based on absolutely nothing)
such small currents will be generated by the
waste water generator that it will take several
weeks to lift the weight. This shouldn't be a
problem, since most people don't go through
a bottle of shampoo every month.
shampoo bottle centrifuge
[bleh, Mar 23 2007]
||Well, it's not bad, but true halfbaked power methods require the use of piezo... and hamsters. Nuclear is also a plus.
||You install piezo baffles in the drain, and the differnetial pressures from the cycling water produces fluctuations in the power source.
||A set of transistors measures the fluctuating voltages, and this actuates the nuclear-powered automated hamster feeding machine. The hamsters (Cleverly hidden in the door) then run on a piezo coated hamster wheel to generate the power needed to lift the weight to give you the desired going down power.
||This provides you with the added benefit of having a mostly clear hamster cage door to the bathroom, so everyone can watch in the event of a face- down- trip- to- the- emergency- room causing misshap.
||damn! what was i thinking. Simple turbine
generators?! I'm so naive. I bow to your
half baking over-complicate-ability.