Each autumn, leaves fall to the ground by the billions. Slightly annoying if you have a backyard but really annoying if you run a railroad company. It turns out those leaves are a slippery menace on train tracks. That's why Dutch Railways is testing a high-energy solution: Train-mounted lasers.
via Gizmodo http://ift.tt/1CNPW2Z http://ift.tt/1A1fjZg
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