RC2014 Z80 CPU Computer
I built a Z80-based RC2014 Zed computer from a kit.
Hypocercal Tails
Looks like three groups of marine diapsids, ichthyosaurs, mosasaurs, and thalattosuchians, all evolved “hypocercal” tail fins.
Tate Geological Museum
A Museum You Should Visit
If you happen to be in Casper, Wyoming, you should visit Tate Geological Museum. It’s a small, but very well done geology and paleontology museum. There’s interesting things for most family members, even well-informed 4-year-olds could have fun and learn things.
CP/M and VAX/VMS Memory Layout
It’s often said that DEC operating systems influenced the design of the CP/M microcomputer OS. Let’s examine that assertion by looking at how a process was laid out in memory.
Wordpress Malware Ecosystem 1
Something upwards of 40% of all Internet websites use WordPress blogging software. WordPress is written in the PHP programming language. Because PHP has a lot of quirks, and because just about any wanker can come along and crap out a solution to any given problem, WordPress installations have traditionally had security flaws. That makes WordPress installations subject to a lot of shady activity.
Squava - the board game
Wireless Charging Detector
I dropped my cell phone and cracked the screen, so I got a Google Pixel 6 and a wireless charging stand. I ended up looking up the “Qi” standard for these chargers. It seemed like the coils used to transfer energy weren’t particularly exotic in size, shape, material or manufacture, so I decided to try to receive some energy from the charging stand.
I’ve since revised this contraption.
Mission to the Moon
I’ve been reading science fiction for a long time, since maybe second grade, circa 1968. I believe that the first scifi book I read was Lester Del Rey’s Mission to the Moon.