A shotgun shell can achieve anything from lightly peppering a clay target at close range to taking down a deer at 35 yards. And that huge variance in capability can all come out the business end of a single gun. That's because you can precisely tailor what's inside a shell to your specific needs. Here's how.
You have some sense of what the wires going to and from your computer do. Some bring power; others transmit information from one device to another. But some of these cables look a bit...off.