Replying to Avatar Autumn Sun ☀️🌘☯️

Osram is now selling LED light bulbs that they claim can last 50 years (based on a three hour/d day usage).

If that is true, it's a great development over the universal 1000-hour lifetime of the incandescent light bulbs of the past century. More of this please.

#consumer #tech
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The Beave 1y ago

Do you worry about the additional EMR generated by some LED bulbs?

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Autumn Sun ☀️🌘☯️ 1y ago

Not at all. I worry about cheap LEDs but the emissions to be wary of is high-frequency sonic noise , not EMR (led emr is much lower than both halogen and incandescent bulbs due to the fact that they barely draw any current).

#sci

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The Beave 1y ago

I do wonder if some cheap bulbs are just trash about that, though...

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Autumn Sun ☀️🌘☯️ 1y ago

You can use your snartphones microphones to scan for noise though! Use any spectroscope near any bulbs you have, with an active sampling rate of 44,1 kHz, you can detect sonic noise up to 22,05 kHz (any noise above that is well above audible range).

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The Beave 1y ago

Interesting.