As the train's magnets pass over a frame, they induce an electric current in it and this, in turn, generates a magnetic field which repels the magnet that started the whole process and thus levitates the train.

ECONOMIST: Maglev trains

The devices, which induce a seizure by delivering an electrical current to a patient's brain, are used to treat intractable cases of depression, as well as bipolar disorder, schizophrenia, and other mental disorders.

CNN: FDA panel deems electroshock devices high risk

You can think of it as the interest rate that will induce you to put off a dollar of current consumption for a dollar plus interest next year.

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