Ballard's tiny remote-operated vehicle snakes its way inside the ghostly wreck, where papers are still folded in the pigeonholes of an officer's desk.

FORBES: Pursuits | Found At Sea

They usually are operated by remote human pilots linked to the vehicles through line-of-sight datalinks or satellite downlinks.

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Once docked, the iPod can be operated (song selection, play, etc.) via the YSP's remote control and on-screen display.

ENGADGET: Yamaha intros YSP-3050 Digital Sound Projector