Energy saving ‘egg’ inventor Brian O’Reilly. See Centre Press story EGG: A despairing dad who created an energy ‘egg’ to curb his family’s extravagant electricity use has cracked America with his eco-friendly invention. Brian O’Reilly, 37, was at his wit’s end with his three children leaving TVs and computers on, wasting energy and making him shell out his hard earned money on electricity bills. So Brian went to his workshop and hatched an idea for the ‘Energy EGG’, which uses clever technology to sense when a room is empty and turn off unused electrical devices. Confident he had a winning invention Brian left his job as a software engineer and began to market the product.