For years, standard cartoon policy dictated that any character suddenly getting a flash of inspiration was represented by a light bulb popping up over the head. Belarus-based ID firm Solovyovdesign updates the concept with a bulb that looks it should be in the head, with its brain-shaped CFL design:

Details are non-existent, so we're willing to wager it's just a concept.
via emily pilloton/interior design

Comments
not nearly as interesting as Nokero's solar light bulb