(Source: Dennis Jarvis/flickr)

The bench, designed for a unique “walk-up-and-play” experience, lets multiple users interact with GIFs.

(Source: fdecomite/flickr)

Free microchipping will let employees access machines with a wave of hand.

(Source: Susanne Nilsson/flickr)

Simulates a mini biosphere purifying home wastewater, releasing oxygen.

(Source: U.S. Army/flickr)

Israeli company claims its system can identify a person with malicious intent, for example, in terror cases.

(Source: amish.patel/flickr)

$20 device lets Prime members order groceries with just voice command.