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TWO MORE PRODUCTS WORTH WATCHING • A BIONIC ARM. BrainCo, a company in Somerville, Massachusetts, that specializes in brain-machine interfaces, showed its prosthetic arm, dubbed Dexus,

controlled entirely via the wearer's thoughts. Instead of requiring extensive training, this bionic limb is said to easily translate intentions to hand movements. No word on when it

will be available, but it's pending FDA approval and may sell for as low as $10,000; traditional prostheses cost four times that, BrainCo President Max Newlon said. To control the limb,

the technology detects and translates human brain signals through the use of advanced sensors and artificial intelligence algorithms. • A FULL-BODY EXOSKELETON. The Sarcos Guardian XO 

already is commercially available for a pricey $100,000, but this battery-powered robotic suit can “boost human performance and endurance while helping to prevent injury,” said a

spokesperson in the Delta Airlines area of CES. The wearer moves normally, but Guardian XO, which the Salt Lake City-based robotics company designed initially for Delta employees, augments

the actions with its superstrength, such as effortlessly lifting 200-pound objects with only 1 pound of force. You just might spot a baggage handler wearing one at an airport later this

year.