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How Loud Are Your Mac's Fans?

When they get hot, Macs turn on various internal fans to keep components cool. The noise can be annoying, but just how loud is it? If you have an iOS device with a built-in microphone, you can download one of many free sound meter apps (search on decibel in the App Store) and see if you're subjecting your ears to a truly unreasonable noise level.

 
 

Digital Photography: Correction & Follow-up

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Digital Photography: Correction & Follow-up -- I would like to point out a mistake in my article "Sense & Sensors in Digital Photography" in TidBITS-751. I stated that smaller sensors are more sensitive to camera movement than larger sensors, but when the field of view is comparable, they are not. This vitiates one paragraph but has no effect on any conclusions or advice. Also, an editing gaffe at the end of the same article sowed some confusion over the role of green in Bayer sensors. The second link below points to a clarification of this and also to an extensive set of FAQs that have come out of the series. [Charles Maurer]

<http://db.tidbits.com/article/07860>
<http://psych.mcmaster.ca/maurerlab/Publications /TidbitsErrata.html>

 

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