Cepheid variables are a type of star that undergo regular pulsations. The length of a Cepheid’s pulsations is always related to its intrinsic, or absolute, brightness in a simple way: The longer its ...

Over the last decade, Cal Newport has become something of a modern workplace ombudsman. A professor of computer science at Georgetown, his books have addressed the ways in which technology can be a ...

Editing your PC's environment variables can save you time in Command Prompt and make your scripts more concise. It also lets you customize where Windows stores certain files. This is what you need to ...