When it comes to Compact Fluorescent Lamps, I’m with Colbert: they take too damn long to get to full brightness, and the light it gives off is weird.
But if they all looked as cool as the Insight Lamp, a brain-shaped concept CFL, I’d probably reconsider my stance. According to designers Igor and Maria Soloyov, the bulb would be the same size as a normal bulb, but provide a dissipative light (as opposed to a single-point light source. [DesignBoom]