bigmac writes "KTH, Royal Institute of technology is celebrating 175 year anniv by making a very spectacular laser show. A green laser sent from the bottom of an old reactor building 30 meters below ground. The beam is then reflected over the city from the schools clock tower.
And yes, you can send your own laser-morse messages through their homepage!" Here's an image to chew on.
Sorry! There are no comments related to the filter you selected.