Protein^®

In the hallways of 15 apartments at a complex in the city of Gothenburg is the ultimate smart-home gadget (fancier and smarter than Joule's Home) from Swedish start-up Manodo - it's a screen that tells you everything you want to know about your consumption, plus a few stats you maybe didn't want to see - like how many pounds of CO2 emissions that long, hot bath you just took is worth.

The pilot Manodo project in a handful of Swedish cities gives apartment dwellers lots of other information, including how long before the next tram will pass by t...