Filtering the Web to protect children
Bush and Gore both backed mandatory web filters in schools and libraries. This Tech Talk column asks what counts as harmful and who controls the list.
Blog
Thoughts and observations.
Email privacy and the postcard problem
Would you mail your credit card number on a postcard? Email works that way. A Tech Talk column on Carnivore, subpoenaed email, and encryption with GPG.
Learning Regular Expressions
Don’t fear the regex! Learn regular expressions from the building blocks up: quantifiers, grouping, alternation, anchors, and greediness, plus tools and books.
CueCat, URLs, and trivial patents
The :CueCat promised to banish long, ugly URLs, then sent lawyers after a Linux hacker. A 2000 Tech Talk column on barcodes and trivial software patents.
Where does the radical in the maneuvering speed formula come from?
No steenking square roots! How to calculate maneuvering speed (Va) at any weight, why it drops with weight, and the Va formula derived from the lift equation.