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Light by induction with the Finally Light Bulb (pictures)

The Finally Light Bulb uses electromagnetic induction to produce its light -- one of Tesla's old tricks.

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Ry Crist
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1 of 8 Tyler Lizenby/CNET

Finally Light Bulb

The Finally Light Bulb in an induction-powered LED alternative that would've made Tesla proud. Click through to see how it works.

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2 of 8 Tyler Lizenby/CNET

How it works

The Finally Light Bulb uses electromagnetism to "induce" an electric field within the bulb. This electric field interacts with various gases, which in turn will glow and emit light.

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3 of 8 Tyler Lizenby/CNET

Mercury

Those gases include a trace amount of mercury, same as CFL bulbs. If you break one like we accidentally did, you'll need to be somewhat careful cleaning it up.

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4 of 8 Tyler Lizenby/CNET

Good-looking skin

Like an incandescent, the Finally Light Bulb offers light quality that's complementary to skin tones of all shades.

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5 of 8 Ry Crist/CNET

Spectral graphs

Graph out its light output across the visible light spectrum, and the Finally Light Bulb most closely resembles a CFL.

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6 of 8 Tyler Lizenby/CNET

No dimmability

The Finally Light Bulb isn't dimmable. Try and dim it on a dimmer switch anyway, and it'll flicker badly.

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7 of 8 Tyler Lizenby/CNET

Color quality

Overall, the Finally Light Bulb offers below-average color-rendering capabilities.

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8 of 8 Tyler Lizenby/CNET

Price point

The Finally Light Bulb sells online for $10, plus shipping. Is it worth the premium? Check out our review for the verdict.

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