There is a light that never goes out

There is a light that never goes out. A week ago we would have thought this was a crazy idea, but after last week's blackout, we actually might consider picking up a few of these: lightbulbs that continue to glow in the dark after they're switched off.The bulbs, which take 15 minutes to charge, remain glowing for up to 24 hours after the power goes off, providing emergency illumination in low-light and no-power conditions. Even if the bulb is broken, the glass pieces will continue to emit light, maximising the potential of this emergency light bulb. Additionally, the bulb, when charged, can be removed from its fixture and will continue to glow, making it useful as a portable emergency light source.Not exactly the best thing to install if you want a completely darkened room to sleep in, but for other parts of the house (assuming, unlike us, that you actually have other parts to your house), a couple… [Gizmodo]

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