This ingenious invention allows frazzled parents to change their kids' diapers while they're still in the seat. The seat reclines and swivels, turning it into an instant changing station that can be positioned for easy access. If you don't have children, this won't sound very interesting, but those of us who do could well find this a life-changing (and Huggies-changing) experience.
It's only in the drawing-board stages, but Tech Digest says the seat has won an International Forum Design award, so the chances of it becoming a reality are that much better. It should be noted also that we got through this entire item without a single astronaut joke.