Vintage Tektronix 515A oscilloscope is looking for a new home

I got it when I was 13. Yes, some of us play with strange toys. I had a lot of fun moments with it, but the truth is that even if it worked, it’s not much of use, now that I’ve betrayed it with a young and colorful one. Mechanically, this old scope is in [...]

The “kamakesef” formula revealed: Calculate the wedding present’s amount

Introduction An Israeli website, “Kama Kesef” (כמה כסף in Hebrew, meaning “how much money”) is a neat web calculator telling how much to give as a money present in weddings and other events. When I realized that I’m far from being the only one using it to decide what sum to write down on the [...]

Collection of links to otherwise orphaned pages

Since I’ve cleaned up the site a bit, there were a few pages that fit nowhere, so this pseudo-post contains links to them, or else they might become unreachable for search engine crawlers. So: The optical simulator. The IP Masquerading lecture, in HTML format. The SELinux lecture, in HTML format. The online HTML highlighter. The [...]