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Complexity level:
9
Project cost ($):
20
Time required:
1 day to prepare, 1 hour for experiment
Material availability:
Easily found except for high voltage power supply, which has to be ordered from equipment suppliers or may be obtained from a laboratory
Safety concerns:

The use of HIGH VOLTAGES is very dangerous. Please have the experiment conducted by an adult who is experienced dealing with high voltage equipment. The capacitive elements in the lifter can store the voltage for days after the power is switched off. Use a 10kohm 2watt resistor to discharge the stored energy between the copper wire and aluminum foil.