Better History Through X-Rays
Even if you aren’t a giant history buff, you probably know that the French royal family had some difficulties in the late 1700s. The end of the story saw the …read more Continue reading Better History Through X-Rays
Author Archives: Al Williams
RISC-V in… Typescript?
We are accustomed to seeing RISC-V implementations in Verilog or VHDL, but [Low Level JavaScript] has one in TypeScript. Before you dismiss it as a mere emulator, know that the …read more Continue reading RISC-V in… Typescript?
Solar Power Goes Back to 1910 Tech
If you want to read about a low-tech approach to solar cells invented — and forgotten — 40 years before Bell Labs announced the first practical silicon solar cell, we …read more Continue reading Solar Power Goes Back to 1910 Tech
This Homemade Mass Spectrometer Works
Hats off to [Paul Brooking] as he shows off his homemade mass spectrometer in two recent videos you can see below. The first video demonstrates that the device works. The …read more Continue reading This Homemade Mass Spectrometer Works
Sinclair Pocket TV Teardown
A pocket-sized TV is not a big deal today. But in 1983, cramming a CRT into your pocket was quite a feat. Clive Sinclair’s TV80 or FTV1 did it with …read more Continue reading Sinclair Pocket TV Teardown
IBM Attempts an Uncrewed Atlantic Crossing (Again)
IBM and a non-profit company, ProMare, failed to send their 49-foot Mayflower autonomous ship across the Atlantic back in June. Now they are almost ready to try again. The Mayflower …read more Continue reading IBM Attempts an Uncrewed Atlantic Crossing (Again)
Magnetic Experiments Shows Gradients
You’ve probably heard the term magnetic gradient before, but have you ever seen one? Now you can in [supermagnetman’s] video, below. The key is to use very fine (2 micron) …read more Continue reading Magnetic Experiments Shows Gradients
Arduino Becomes Superhet with a Little Help From Friends
A radio receiver is always a fun project. [Jayakody2000lk] decided that his new superheterodyne design would use an Arduino and it looks like it came out very nicely. The system …read more Continue reading Arduino Becomes Superhet with a Little Help From Friends
Axial Flux Motors for Electric Vehicles
In the everything old is new again folder, [Lesics] has a good overview of axial flux motors. These are promising for electric vehicles, especially aircraft, since the motors should have …read more Continue reading Axial Flux Motors for Electric Vehicles
Dial A for Arduino
A lot of phrases surrounding phones don’t make sense anymore. With a modern cellphone, you don’t really “hang up” and there’s certainly no “dial” to be had. However, with [jakeofalltrades’] …read more Continue reading Dial A for Arduino