Did your little internal design chimp just say, duh? Ours sure did. What you're looking at above is the Sand Glass LED traffic light concept from designer Thanva Tivawong. Obvious... unless you're colorblind.
All products recommended by Engadget are selected by our editorial team, independent of our parent company. Some of our stories include affiliate links. If you buy something through one of these links, we may earn an affiliate commission.
Popular on Engadget
Ford hopes you'll trade some privacy for discounted car insurance