Locked-on lasers burn through leaves on train lines

[cteno4]

http://www.newscientist.com/article/mg22429984.800-lockedon-lasers-burn-through-leaves-on-train-lines.html#.VIhPpWTF87T

[Densha]

Another article: http://delta.tudelft.nl/article/zapping-the-leaves-from-the-rails/28710

 

It's this train, if you look closely you can see that some windows have been replaced by vents to let out the hot air produced by the lasers: https://www.flickr.com/photos/blontt/15890528612