After the Fukushima boondoggle back in 2011, Japan has wholeheartedly embraced solar power as its alternative energy of choice. So much so, that one Japanese construction firm is campaigning to power the whole Earth with solar energy—that they will beam down from the moon.
I can't think of a better place to escape the honking horns and suffocating smog of city life than a floating botanical city in the sky. Built on water, it's a lily pad for human civilization.
Shimizu Japan has developed a robotic wheelchair that does not look very technological or well-designed, but is definitely useful. It is outfitted with sensors that recognize environmental conditions, detect hazards and read information from nearby buildings via IC tags. That means the chair is able to maneuver…