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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.

 

 

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Examining Twitter’s Innovative New Two-Factor Authentication

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Over at Wired, Mat Honan details the challenges Twitter security engineers faced in designing a new two-factor authentication system that is both more secure than any existing solution and easier for users to understand. It’s a fascinating read, and gives great insight into how much thought goes into maintaining the security of the Internet-based services we use every day.favicon follow link