![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgLztb3-fl09E1Rd5ZvLwci6SuoHfYNiAHa2_EDSX9QbMIm1YpKWBuJVew9X_Pa4gqRTSADsuitB5h4jWag3CNnbGqsL_mrMInTF9pQ0k0ys5hcWY0G9YECIzhnzMb5eN19QeeswrOR44IQ/s200/500x_lasersmap.jpg)
Thanks to this detailed model, the city can now accurately identify the best rooftops suitable for solar panel installations, as well as many other uses for environment and security .
... but don't think lasers awesomeness or strictly earth bound. Check NASA's LISA project, which aims to put three spacecrafts in space, 5 million kilometers apart of each other, and shooting lasers back and forth, allowing it to detect gravitational waves - something predicted by Einstein's Relativity Theory, but which has proved difficult to observe and measure in the real world.
via [Gizmodo, NYT]
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