First came the incandescent bulb. Then the CFL light, then the LED bulb, and then the Smart LED bulb. What’s the next step of innovation in the field of illumination? The LED Audio bulb! Sony’s got it all figured out.
How To Make An Emergency Flashlight From An Old Camera, 2 AA Batteries & Energy Saving Light-bulb - Believe it or not, this is an energy saving light-bulb powered with 2 AA battery's... with just a few steps, you could have this as an emergency light in a SHTF situation. Its basically parts from a disposable camera, wires an energy saving light-bulb and 2 AA battery's.