Over the years that has included work on everything from lasers to helicopters that convert to airplanes, from stealth technology that can shield planes from radar detection to artificial gills that can extract oxygen from seawater for submarines.

Some may want artificial gills for living in the sea.

He tried to place artificial gills on apes and mice so they could breathe underwater.

He also became amphibious, able to breathe underwater through artificial gills as well as breathing on land through his nose.

Several potential methods exist for the development of artificial gills.

Men are able to live underwater for short periods using artificial gills.

A swimmer and surfer who dreams of inventing artificial gills to allow people to breathe underwater and enjoy waterlife in all of its glory.