Wirelessly powered heating and cooling devices like this office chair developed by University of California, Berkeley and on display at the ARPA-E Innovation Summit can help lower your home or office's overall energy use. When you work in the office, you’re bound to spend more time sitting in a chair. Forget office, sitting in same position for a long time anywhere is not good because it exerts excessive stress on your spine,’ says Dr Jahnavi Acharya, consultant physiotherapist at Revival Bone and Joint Hospital. An ergonomic chair by dankontorstole is quite different from a traditional chair. It is specifically designed to provide complete rest to the main structures of your body that are prone to get stressed while working.