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Author Archives: Al Williams

Sol-20 Integrated Computer Teardown

Posted on February 15, 2023 by Al Williams

[Action Retro] came into an antique Sol-20 computer and argues that it was the first totally integrated computer aimed at consumers that didn’t require you to buy or build some …read more Continue reading Sol-20 Integrated Computer Teardown→

Posted in all-in-one computer, retrocomputing, Sol-20, teardown | Tagged Computer

Too Cool for 8-bit Retro? Try 1-bit Gaming

Posted on February 15, 2023 by Al Williams

While the world has been racing for higher and higher bit counts for CPUs, there are always those that buck the trend. Consider the venerable Motorola MC14500B, a 1-bit CPU, …read more Continue reading Too Cool for 8-bit Retro? Try 1-bit Gaming→

Posted in MC14500, one-bit, retrocomputing

Citizen Science Finds Prehistoric Burial Mounds

Posted on February 14, 2023 by Al Williams

What do you do when you have a lot of LiDAR data and not enough budget to slog through it? That’s the problem the Heritage Quest project was faced with …read more Continue reading Citizen Science Finds Prehistoric Burial Mounds→

Posted in citizen science, News, Science, zooniverse | Tagged LIDAR

3D Printing Support Gets Down to Tacks

Posted on February 10, 2023 by Al Williams

If you use supports for FDM 3D printing, you might find that some designs are more amenable than others to automatically-generated supports. [Slant 3D] , for example, shows a cool-looking …read more Continue reading 3D Printing Support Gets Down to Tacks→

Posted in 3D printed supports, 3d Printer hacks, 3D Printing, supports

Modernizing C Arrays for Greater Memory Safety

Posted on February 10, 2023 by Al Williams

Lately, there has been a push for people to stop using programming languages that don’t promote memory safety. But as we still haven’t seen the death of some languages that …read more Continue reading Modernizing C Arrays for Greater Memory Safety→

Posted in C language, code, memory, Programming, software development

Understanding AI Chat Bots with Stanford Online

Posted on February 9, 2023 by Al Williams

The news is full of speculation about chatbots like GPT-3, and even if you don’t care, you are probably the kind of person that people will ask about it. The …read more Continue reading Understanding AI Chat Bots with Stanford Online→

Posted in Artificial Intelligence, chatbot, gpt-3, Stanford

Linux Fu: The Shell Forth Programmers will Love

Posted on February 8, 2023 by Al Williams

One of the most powerful features of Unix and Linux is that using traditional command line tools, everything is a stream of bytes. Granted, modern software has blurred this a …read more Continue reading Linux Fu: The Shell Forth Programmers will Love→

Posted in Hackaday Columns, linux, linux hacks | Tagged shell

Developing Warp Drive Might Take Antifreeze

Posted on February 8, 2023 by Al Williams

In Star Trek, dilithium crystals — whatever those are — are critical to the operation of a starship’s warp drives. But a Texas professor thinks he can make a baby …read more Continue reading Developing Warp Drive Might Take Antifreeze→

Posted in gravitational waves, Science, Space, warp bubble, Warp Drive | Tagged Faster than light

LED Displays May Get Vertical Integration

Posted on February 8, 2023 by Al Williams

If you zoom into the screen you are reading this on, you’d see an extremely fine pattern of red, green, and blue emitters, probably LEDs of some kind. This somewhat …read more Continue reading LED Displays May Get Vertical Integration→

Posted in display, led, led hacks, MicroLED, Science

MicroPython ESP32 IDE Makes Life Simpler

Posted on February 7, 2023 by Al Williams

In theory, using MicroPython on the ESP32 is easy —  just flash an image and connect using a serial port. But that leaves a lot of things you still have …read more Continue reading MicroPython ESP32 IDE Makes Life Simpler→

Posted in ESP32, Microcontrollers, micropython, software development

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