November 26, 2019 01:00 pm PST
Original Link: http://feeds.boingboing.net/~r/boingboing/iBag/~3/snjbb3jVbeg/a-freight-trains-emergency-b.html
A freight train's emergency brake is applied at 40 MPH. How long does it take to stop?
This video captures a freight train engaging its emergency brake (about 2m in) and grinding slowly to a stop. Momentum is everything... until it's nothing. Read the rest
Original Link: http://feeds.boingboing.net/~r/boingboing/iBag/~3/snjbb3jVbeg/a-freight-trains-emergency-b.html
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