USM stands for Ultrasonic Autofocus Motor. These lenses offer manual focus override and fast, smooth and comparatively quiet ...

Every modern automobile carries a 17-character vehicle identification number, an alphanumeric string unique to that single ...

When the IBM PC was new, I served as the president of the San Francisco ... As managing editor of PCMag's security team, it's my responsibility to ensure that our product advice is evidence-based, lab ...

Everything you need to know about making your own cryptocurrency Allie is a financial writer and editor with over five years of experience. An investment banker turned journalist, she has previously ...

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Installing a smart water sensor can save you a lot of money and hassle. The best leak detectors we've tested immediately alert you to issues and even shut off your home's water supply. I’ve been ...