3 BRILLIANT MINUTES: More powerful than a locomotive

GREEN BAY, Wis. (WBAY) - If you can read this, then the Earth survived an asteroid’s close fly-by Thursday.

The asteroid, which is about the size of a delivery truck, was predicted to come a mere 2,200 miles from Earth -- that’s inside the orbit of most of our satellites!

So let’s talk about something else. Trains! Scientists have found a way to collect energy from a train’s movement to generate power, without taking anything from the train.

Brad tells us how this could make railroads safer.

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