With military conflicts moving into space, we may see masers mentioned again as a potential attack vector. There are days, driving along streets filled with al

With military conflicts moving into space, we may see masers mentioned again as a potential attack vector. There are days, driving along streets filled with all too many of those LED advertisements, when I think about building a small one for the purpose of "turning off the lights." Never will, because law, bad things. But I think about it. And that thought makes me happy.