Neo-Cyclostyle: Automatic Document Copying Devices in 1890
https://hackaday.com/2026/08/23/neo-cyclostyle-automatic-document-copying-devices-in-1890/

Document duplication has been a highly desirable feature, long before medieval monks slaved over yet another illuminated manuscript by flickering candle light. Fortunately one part of the Industrial Revolution was …read more (https://hackaday.com/2026/08/23/neo-cyclostyle-automatic-document-copying-devices-in-1890/)

The Casio F-91W As A Contactless Payment Device.
https://hackaday.com/2026/08/24/the-casio-f-91w-as-a-contactless-payment-device/

The Casio F-91W digital watch is perhaps one of the most successful pieces of consumer electronics ever made, having quietly supplied the essential function of an inexpensive and accurate LCD …read more (https://hackaday.com/2026/08/24/the-casio-f-91w-as-a-contactless-payment-device/)

Making Better Rubies At Home
https://hackaday.com/2026/08/24/making-better-rubies-at-home/

Sapphires and rubies aren’t just pretty, they also got a range of practical uses. This makes it even more useful to be able to make them at home for obviously …read more (https://hackaday.com/2026/08/24/making-better-rubies-at-home/)

An Early History of Space Stations: Where’s My Wheel?
https://hackaday.com/2026/08/24/an-early-history-of-space-stations-wheres-my-wheel/

Last time we found out the idea of space stations is surprisingly old. By the 1950s, everyone knew we’d be working in beautiful space stations that rotated like a wheel …read more (https://hackaday.com/2026/08/24/an-early-history-of-space-stations-wheres-my-wheel/)

Combining Photogrammetry Utilities into a Simple GUI Tool
https://hackaday.com/2026/08/24/combining-photogrammetry-utilities-into-a-simple-gui-tool/

One of the fun aspects of open source software is that you can often find so many libraries and tools that implement the functionality you need, but ease of use …read more (https://hackaday.com/2026/08/24/combining-photogrammetry-utilities-into-a-simple-gui-tool/)

Tech in Plain Sight: Vacuum Blood Collection
https://hackaday.com/2026/08/24/tech-in-plain-sight-vacuum-blood-collection/

If you’re blessed enough that you haven’t had blood drawn in a while, you might not have thought much about the process. You might imagine that a needle goes in, …read more (https://hackaday.com/2026/08/24/tech-in-plain-sight-vacuum-blood-collection/)