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  • 10 Forms of Online Harassment

    10 Forms of Online Harassment

    Online harassment seems to know no bounds, with new opportunities for meanness evolving all the time. Ever heard of dogpiling or doxing?

  • How Smart Rings Work

    How Smart Rings Work

    We have smartphones, smart watches and now smart rings. But can a gadget that small really help you manage your communication and information needs?

  • How accurate are fitness trackers?

    How accurate are fitness trackers?

    You believe your fitness tracker's data when it says you walked 10,000-plus steps and burned more than 500 calories today. But how accurate are those results? Could your FitBit be underestimating — or (gasp!) inflating — your daily energy output?

  • How Drones Work

    How Drones Work

    They're the stuff of headlines, often characterized as evil in the sky. But how do unmanned aerial vehicles actually get off the ground and flying?

  • 10 Forms of Online Harassment
  • How Smart Rings Work
  • How accurate are fitness trackers?
  • How Drones Work
WHAT'S INSIDE: COMPUTER
Wondering what's inside your computer or how the latest computer technologies work? Browse our articles below on computer networking, security, hardware, software and more to get explanations and how-to tips.
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How Broadband Over Powerlines Works

Imagine plugging your computer into any electrical outlet in your home and having high-speed Internet access instantly. Power line broadband is offered in a few U.S. cities, but there are groups and government agencies fighting to block further development. What's the controversy about?

How can hot water cool a supercomputer?

In July 2012, engineers at the Leibniz Supercomputing Centre debuted their new SuperMUC supercomputer, which uses a unique cooling system. How does hot water cooling work, and how is it green?

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