Collaborate Disseminate
[Chris Doble] has high ambitions: he’s making his own scanning-electron microscope, and as the first step he’s built a high-vacuum system. This required its own controller to manage the various …read more Continue reading A High-Vacuum Controller for an Eventual Electron Microscope
In 2024, [Jan Roetz] decided to see whether he could 3D print a Benchy – the boat-shaped benchmarking tool used in 3D printer calibration – in less than one minute. …read more Continue reading The Final Steps to a Sub-Minute Benchy
For a certain kind of intricate, highly-detailed manufacturing, there’s really no substitute for a resin 3D printer, and it’s therefore unfortunate that they require so many poisonous chemicals. The resin …read more Continue reading A Fume-Control Cabinet for Resin 3D Printing
One simple screening tool for cognitive impairment is the clock-drawing test (CDT): the patient is provided with a printed circle and asked to draw a clock face with the hands …read more Continue reading A Clock Inspired by Failed Cognitive Tests
In some parts of the world it’s common for cell service providers to sell new phones at a price significantly below market value, with the caveat that these phones are …read more Continue reading Linux on Android Provides Inexpensive, Powerful Computing
There are a surprising number of experiments an amateur nuclear physicist can perform, from making a Geiger counter to fusing hydrogen atoms in a fusor. One project which we haven’t …read more Continue reading A Benchtop Neutron Generator for the Home Reactor
Processor design over the last few decades has moved toward RISC processors that aim to implement a few simple operations very efficiently. For a while, though, the trend was toward …read more Continue reading Just How Bad Was the Intel iAPX432?
Most consumer-grade night vision devices are basically a standard camera without the usual filter to block near infrared (NIR) light, which are then paired with a NIR light source that’s …read more Continue reading Long-Range Night Vision with an Infrared Laser
If you need a VPN gateway to access your home network, the fastest and most cost-effective way is probably by using a Raspberry Pi Zero. But in [Samir Makwana]’s view, …read more Continue reading Running a VPN Gateway on an ESP32
Anyone who’s worked with even a 1 mm bit knows that while a drill press is all but essential, it isn’t proof against broken bits. Working with a 0.1 mm …read more Continue reading A Precision Drill Press for Tiny Bits