Tuesday, 1 June 2021
quote [ A locomotive can derive power from many different sources. The earliest locomotives were driven by steam. Then came electric trains powered by galvanic cells. Later, onboard batteries were replaced by overhead lines. ]
Station to station, beating up the track
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mechanical contrivance said @ 2:36pm GMT on 1st Jun
Wouldn't the train be wasting a lot of energy by pushing against the air rather than pushing against the track?
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