We've had stoplights to direct us and our vehicles through intersections for around a century now. A design studio in Moscow has a concept for a high-tech refresh of stoplight technology. Plus: LEGO builder Douglas Hughes pays tribute to the late, legendary game show host Alex Trebek with a LEGO kinetic sculpture of Jeopardy!
It sure was nice to hear that Jeopardy host Alex Trebek is not only doing well following his cancer treatment, he’s already back at work on a new season of the show! Each day's filming requires hundreds of clues, multiple suit changes and lots of ways to respond to contestants' responses.