Did the Rice experiment create more energy than it used?
No. The device released heat accumulated during a steady input over a shorter interval. Its peak thermal power rose because stored energy was delivered faster, not because energy was created.
Answered in
Rice’s Heat Q-Switch Stores a Steady Stream for a Brief BurstRice engineers built a fluidic device that stores heat as water flows, then releases a thermal pulse. The extra power comes from stored energy.
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