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Testing a regulator all the way down to zero volts to see how it behaves and finding an output level, below which bad things ...

Kaitlin Sullivan is a health and science journalist based in Colorado. She's been part of multiple award-winning investigations into health topics including the international medical device industry ...

A smarter way to keep tabs on your loved ones’ travels and activities. Image: D. Griffin Jones/Lewis Wallace/Cult of Mac Check In is an iPhone feature that tracks your travels and lets contacts know ...