Three super-cool technologies: A robotic AC, an office chair on ice, and cool insoles [News]

Like most U.S. government departments, the Advanced Research Projects Agency–Energy tends to bury its programs in strained, dull-sounding acronyms like DELTA, which stands for Delivering Efficient Local Thermal Amenities. But the DELTA project is, fortunately, much cooler than it sounds: It's about finding ways to move climate control from the building level to the personal level.