Vicky comes up with an idea of using lemon as a power generator to replace buttery, so that we can reduce the budget of the project, and being environmental friendly at the same time.
Back to the science class we took in high school, we had learned that electricity can be generated if you insert two pieces of metal into lemon and connect it with wires.
(More information on this concept will be linked below)
Next day, we will set everything up and test the result. Hopefully it will work as we expected, and if it is not, we are going to find reasons and make further adjustments.
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