What if you strapped C4 to a boomerang?

You actually make the boomerang from an explosive with a built in timer/impact fuse. You then of course train in its use so that you can throw it accurately. You now have a grenade you can throw a considerable distance and make it go around corners. read more

You can fit four bills on an 8.5”x11” sheet of paper: If your printer can manage one page (front and back) of full-color high-quality printing per minute, that’s $200 million dollars a year. This is enough to make you very rich, but not enough to put any kind of dent in the world economy. read more