A device to generate electricity from pushing a revolving door when entering or exiting a building. Although this might cause companies to encourage their employees to smoke so that they generate electricity walking outside for their cigarette break. And "big oil" might murder people in the revolving door Godfather-style to discourage people from generating clean energy Originally from Creativity Wasted episode 58 Brendan Gay (Twitter: @BrendanGay92) Matt Bach (Twitter: @mattbach) Sai Dharmarajan aka "Sai D" (Twitter: @dsaihurrish) Tom Walma (Twitter: @thomaswalma)