Now that's coming to LED bulbs. The post World's oldest lightbulb: 123 years and still glowing appeared first on Boing Boing.

The resulting bulbs have a cheery glow and a rustic look that we really like. Of course, it’s not a huge leap from DIY light bulbs to making your own vacuum tubes. That’s how [Dalibor Farny ...

is the average measured color temperature of 10 bulb samples. Those with 2700 K are closest to incandescent bulbs; ones with 3000 K are similar to halogen bulbs.

Right now at Amazon, you can pick up a four-pack of A19 fitting warm white Philips Hue light bulbs for just $36.99 (was $49.99). That's less than $10 each, and one of the best deals I've ever seen ...

Immediately after the capacitor is connected to the battery, the light bulb will glow as current flows through the light bulb and the capacitor is charging. After some time, the capacitor is fully ...