I bought a laser pointer, bought from the Internet, I asked how far it can shine, he said eight kilometers, but I don’t have the photos so far to think, the ground near the sky plane, I experiment a little, […]
I bought a laser pointer, bought from the Internet, I asked how far it can shine, he said eight kilometers, but I don’t have the photos so far to think, the ground near the sky plane, I experiment a little, […]