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The Flight I am taking has USB ports for power... how can I use it to charge my laptop? by Jefro is an interesting question, and surely relevant to anyone who takes flights with their laptops!

How does Windows detect battery issues? I have a laptop that's a little over 5 years old, and I've never changed the battery, so I believe Windows 7 when it tells me "there is a problem with your bat …

What is the purpose of the holes marked "Do Not Cover" on hard drives? On many hard drives, there's a text warning to "not cover this hole", sometimes adding that doing so will void the warranty. Wha …

Why don't you see binary code when you open a binary file with text editor? Why you don't see binary code when you open binary file with text editor? For example when I open image with text editor I …

Does "Stopping" USB drives actually affect the drive? A great answer with a little-known option of how Windows handles external drives.

Simon is quickly turning into one of our top question askers and answerers! I'm suggesting another one of his posts for this week's QotW: Why do disks fragment? As a part of regular Windows maintenan …

The following question is interesting, and the answers get into some interesting facts about how email and DNS work: Why can't I email myself at: [email protected]? I opened cmd and typed ping gm …

Wow! Super User is full of great questions this week! How does a CPU 'know' what commands and instructions actually mean? resulted in some great explanations about how microprocessors work. I'd be int …

One possibility suggested last week which I like is: How do I set PATH and other environment variables? Explains Environment Variables for different Operating Systems in a quick, dense, i …

Why does an 8 GB and 16 GB USB drive have the same physical size but a different amount of storage? This question has turned up some interesting stuff about how memory chips are manufactured. Might m …

Why is my dual-core CPU recognized as a quad-core one? Interesting discussion about how hyperthreaded CPUs are recognized as having twice as many cores as they actually do.

I like this one, because it's a good learning opportunity for people and applies to a broad audience. I'd also be interested in learning more about how this law applies to website owners outside of th …

Which of the Windows updates are really necessary? I downloaded a lot of Windows updates in the automatic mode. Are they all necessary? Can I remove some of them? How do I know which ones are necessa …

What does wwws mean? I've seen a couple of sites that use wwws in their domain, for example: wwws.mint.com and wwws.whitehouse.gov. I'm sure it has something to do with an extra layer of secur …

Due to it having been a QOTW, I've undeleted it and locked the post for historical significance. It's not really a particularly on-topic question, but I think in this edge case it should be kept, for …