If you’ve seen a big air-variable capacitor, you may have noticed that some of the plates may have slots cut into them. Why? [Mr Carlson] has the answer in the video below. The short answer: you can ...

A friend of mine is producing a series of HOWTO videos for an open source project, and discovered that he needed a better microphone than the one built into his laptop. Upon searching, he was faced ...

Express Scripts (Cigna) offers three Medicare Part D prescription drug plans, among other services. Express Scripts Medicare Part D plans range in cost from low premiums and low copays to broad ...

Game developers have long valued the 'hacker ethic' - the will and skill to grab a game by the scruff of its code, rip it apart, and put the pieces together in a new way. Id Software prioritized the ...