Collaborate Disseminate
Usually, a story about hacking a coded message will have some computer element or, at least, a machine like an Enigma. But [Ruth Selman] recently posted a challenge asking if …read more Continue reading Decoding a 350 Year Old Coded Message
When you think of a radio telescope, you usually think of a giant dish antenna pointing skyward. But [vhuvanmakes] built Wavy-Scope, a handheld radio telescope that can find the Sun …read more Continue reading Radio Astronomy in the Palm of Your Hand
You’ve got a laser cutter. You’ve got a 3D printer. What do you make? [Ayushmaan45] suggests a telescope. The modest instrument isn’t going to do serious astronomy with only 8X …read more Continue reading DIY Telescope Uses Maker Tools
Try an experiment. Next time you are in a room with someone, ask them to name everything in the room. Only certain kinds of people will say “air” or “light.” …read more Continue reading Positive Results with Negative Resistance
Ok, you caught us. It certainly isn’t going to be the year of Algol. When you think of “old” programming languages, you usually think of FORTRAN and COBOL. You should …read more Continue reading Could This be the Year of Algol?
I modified a printer a few years ago to handle multiple filaments, but I will admit it was more or less a stunt. It worked, but it felt like you …read more Continue reading OpenSCAD in Living Color
[CreativeLab] bought a cheap arbitrary waveform generator and noted that it only had a two-pin power cord. That has its ups and downs. We feel certain the intent was to …read more Continue reading They Don’t Make $37 Waveform Generators Like They Used To
If you built a car in, say, Germany, for use in Canada, you could assume that the roads will be more or less the same. Gravity will work the same. …read more Continue reading Building the LEM’s Legs
You have some fine pitch soldering to do, but all you have on hand is a big soldering iron. What do you do? There are a few possible answers, but …read more Continue reading SMD Soldering with Big Iron
If you are sitting on a horde of negatives, waiting for the digital photography fad to die off, it may be time to think about digitizing your old film. [Kinpro1024] …read more Continue reading DIY 35mm Film Scanning