Spy sub means nowhere is safe

It might not be a spy bot per se, but it's still too close for comfort--in fact, it might even be worse because it could sneak up on us under water. Neatorama says this "spy sub," a father-son project featured on Popular Science, was done for $300--but, considering how sophisticated it is, that's a relative bargain.

The remote-controlled sub can reportedly send images from an on-board home-surveillance camera from as deep as 250 feet for more than a quarter-mile. We still don't like the idea of all this spying, but we suspect that another Craver who's fond of yellow submarines will appreciate this.