Host Mo Rocca shows us the fireless grill that cooks using heat from the sun; the sponge that can sop up ocean oil spills; the scuba diving tank you can pump up by hand; and, the innovator whose "car of tomorrow" failed to catch on.

Host Mo Rocca shows us the wristband that relieves stress; a chair that makes you balance and sit up straight; the personal air monitor; and, the history of clocks.