 in the upper atmosphere might also affect things. Oh, gosh, yes. And then they've been also talking about a connection lately, a geological connection to... I know it sounds strange, but to the upper atmosphere, and they've been tracking these pulses of energy that go way out into the upper atmosphere during a lightning storm. It's really weird. I guess you've heard some about that. And from the space shuttle. The photographs there are incredible. That's right, yes. So there's a lot about gravity...