Given where nanotechnology is headed, it's not inconceivable that they can someday be shrunk down to flea size to power injectable sensors and miniature medical devices.

FORBES: Pip-squeak Power Plant

On display there is a hologram-like miniature image of a prancing girl as well as a full-size still image of the girl at the clothing shop.

FORBES: Technology

What you see above is just a miniature, but Spymaster is taking orders for the real, full-size McCoy.

ENGADGET