Ready to be published? LXer is read by around 350,000 individuals each month, and is an excellent place for you to publish your ideas, thoughts, reviews, complaints, etc. Do you have something to say to the Linux community?
3-D printers are becoming popular tools, dropping in price and becoming available to almost everyone. They can be used to build parts that you can use around the house, but more and more, they also are being used to create instruments for scientific work.
