Nighttime asks: "April the First will soon be upon us and I'm looking for some subtle pranks to play around the office. There's the usual taking a screenshot and setting as background, placing a piece of tape across the mouse ball (use opaque tape for optical mice), setting the keyboard layout to Dvorak, swapping the 'M' and 'N' keys etc. The office empties quite quickly at the end of the day which leaves plenty of time for preparation."

Josh Booth asks: "Has anyone ever built a musical instrument? I recently built two, a SSPACaRTD (Single String Plucked Air Compression and Rarifaction Tunable Device), and a full size string bass for the NJ State Science Olympiad. I played the bass and, since we did the required duet, my friend played an End Struck Plosive Aerophone, or a set rather, like what the Blue Man Group plays. We placed fifth out of 20+ schools. My bass is similar to those that Dennis Havlena made and used weedwhacker line for strings. I was wondering whether anyone else tried to build an instrument. How did you do it, what did it sound like, and how weird was it?"

Your_Mom asks: "My mother has recently become involved in computing. She has familiarized herself with many of the basics like: going to certain web sites, typing out simple Word documents, and so forth. However, she has recently expressed interest in learning more. Where can I find resources for older computer users, teaching simple things like word processing, spreadsheets, searching the web, etc.?"

clonebarkins asks: "Is anybody out there using Bayesian filtering for stuff other than to get rid of spam? For example, how useful would Bayesian filtering be to identify news stories/blog entries in the RSS feeds I monitor? Is there any software out there using Bayesian filtering to do this sort of thing already? Are other types of filters better for these purposes?" What other areas can you think of where Bayesian filtering may prove useful?

paulcole asks: "I am currently an English major and short story writer, who is in the market for a word processor. My laptop is a good enough tool, but I feel that it isn't quite what I need for a portable writing tool. Namely, I want something smaller, more portable, and easier to use. Right now, I am looking at the QuickPad Pro and the AlphaSmart Dana. Any insight on either of these products, or any others out there, would be very helpful." Do these 'smaller and more portable' devices necessarily justify the trade-offs in power and flexibility that a laptop with a full fledged word processor would provide?

Ars-Gonzo asks: "I was at a conference last week, and had a surprising number of people connected to a peer-to-peer wireless LAN during the lectures. I saw several Mac users typing away during the lectures, and I found out later that they were using iChat's Rendezvous-based local chat to talk to each other. iChat's local subnet chatting functionality is supposedly based on Jabber, but I can't get a Jabber client (on Windows or Linux) to connect to iChat, locally. Has anyone seen any iChat compatible LAN-chat apps for a platform other than Mac?"

KingOfBLASH asks: "Recently, when I was in the local City Court to protest a parking ticket, I noticed that all of the computers were running Windows (some as old as Windows 95!), and there were definitely network cables snaked around them. The City Hall suffers from the same affliction. Given that some of these computers have passed the End of Life for support, and there are a number of known exploits, how safe our government computers? What damage could be done if they were attacked?" It would be interesting to note if it's just local governments that may be running lower-than-expected tech or regional governments, as well. It would also be worthwhile to hear how governments outside the US compare to their American counterparts.

The Human Cow asks: "My computer teacher lets us listen to music while we code, but the 150 MB network drive limit kind of puts a damper on the variety of music I have access to. CDs and MP3 players are too much of a hassle to keep up with, so I started wondering if there was any way to set up a streaming radio station that was controllable from a remote PC. I looked at Shoutcast again to see if there was some option that I missed, but I didn't find much. Not having any luck on Google, I've decided to turn to you guys. Does anybody know of a program that'll let me set up a playlist at home and then remotely control it from school? Streaming MP3s on demand, maybe?"

gregwbrooks asks: "Technology lets us wardrive and kludge together interesting uses for the OnStar equipment in our vehicles, but what about the one thing I really need: On-demand, real-time traffic information? These guys have a BREW-based app that downloads real-time traffic maps to your cell phone -- it just rolled out in Chicago and Milwaukee, and apparently is going national soon. What other options are out there for someone who doesn't want to fiddle around with tiny web pages on his phone while driving?"

tachin asks: "We've all been hearing about software as a service industry as opposed to manufacturing, there are some differences that favour that view, but I wonder if the type of industry affects the fundamental design of a software system. Considering the differences between those two types, are there some software constructs that are appropriate for one type of industry but would be undesirable for the other? As economies everywhere are becoming more service-oriented, what are the main characteristics a software system must provide to work well in such environments?"