BASIC in Your Browser
If you are a certain age or just like retrocomputers, you probably have a soft spot for good old-fashioned BASIC. If you miss those days but don’t want to install …read more Continue reading BASIC in Your Browser
Author Archives: Al Williams
Operate Your Own Nuclear Reactor, Virtually
If you’ve ever wanted to operate your own nuclear reactor, you probably aren’t going to get one in your backyard shop. However, thanks to the University of Manchester, you can …read more Continue reading Operate Your Own Nuclear Reactor, Virtually
Directional Antenna Stands Tall
When you think of directional ham radio antennas, you probably think of a Yagi, cubical quad, or a log-periodic antenna. These antennas usually are in a horizontal configuration up on …read more Continue reading Directional Antenna Stands Tall
Inside a Rubidium Frequency Standard
We think of crystals as the gold standard of frequency generation. However, if you want real precision, you need something either better than a crystal or something that will correct …read more Continue reading Inside a Rubidium Frequency Standard
Better 3D Printing Overhangs? Dive! Dive!
If you want better 3D-printed overhangs, you need better cooling, right? What would be better for cooling than printing submerged in water? It turns out [CPSdrone] tried it, and, at …read more Continue reading Better 3D Printing Overhangs? Dive! Dive!
Stereoscopic Macro Lens Shows Two is Better than One
You’d be forgiven if you thought [Nicholas Sherlock’s] new lens design was a macro lens that was 3D printed. In fact, it is, but it is also a macro lens …read more Continue reading Stereoscopic Macro Lens Shows Two is Better than One
Another OmniBot 2000 Upgrade
There were many toy robots back in the 80s that were — frankly — underwhelming by today’s standards. Back then, any old thing that rolled around with some blinking lights …read more Continue reading Another OmniBot 2000 Upgrade
Scope GUI Made Easier
Last time, I assembled a Python object representing a Rigol oscilloscope. Manipulating the object communicates with the scope over the network. But my original goal was to build a little …read more Continue reading Scope GUI Made Easier
Robot Goes to Summer Camp
There are a lot of hobby and educational robots that have a similar form factor: a low, wide body with either wheels or tracks for locomotion. When [Alexander Kirilov] wanted …read more Continue reading Robot Goes to Summer Camp
In New Doctor’s Office, Stethoscope Wears You
The medical professional wearing a stethoscope is a familiar image, but Northwestern University wants to change that. Instead of someone hanging an ancient device around their neck to listen inside …read more Continue reading In New Doctor’s Office, Stethoscope Wears You