Homemade Liquid Oxygen Demonstrates Paramagnetism
https://hackaday.com/2026/03/02/homemade-liquid-oxygen-demonstrates-paramagnetism/

Liquid nitrogen isn’t exactly an everyday material, but it’s acquired conveniently enough to be used in extreme overclocking experiments, classroom demonstrations, chemistry and physics experiments, and a number of other …read more (https://hackaday.com/2026/03/02/homemade-liquid-oxygen-demonstrates-paramagnetism/)

LED Printers: The Quiet Achievers You May Not Have Heard Of
https://hackaday.com/2026/03/02/led-printers-the-quiet-achievers-you-may-not-have-heard-of/

Many different types of printers have entered the market over the years. Most of us are intimately familiar with the common inkjet and laser, both of which can be found …read more (https://hackaday.com/2026/03/02/led-printers-the-quiet-achievers-you-may-not-have-heard-of/)

Cynus Chess Robot: a Chess Board With a Robotic Arm
https://hackaday.com/2026/03/02/cynus-chess-robot-a-chess-board-with-a-robotic-arm/

There are many chess robots, most of which require the human player to move the opposing pieces themselves, or have a built-in mechanism that can slide the opposing pieces around …read more (https://hackaday.com/2026/03/02/cynus-chess-robot-a-chess-board-with-a-robotic-arm/)

SNES Controllers are (Almost) SPI-Compatible
https://hackaday.com/2026/03/02/snes-controllers-are-almost-spi-compatible/

Considering that the Serial Peripheral Interface bus semi-standard has been around since the early 1980s, it’s perhaps not that shocking that the controllers of the Super Nintendo Entertainment System (SNES) …read more (https://hackaday.com/2026/03/02/snes-controllers-are-almost-spi-compatible/)

Pan-Tilt Head For Camera Motion Control
https://hackaday.com/2026/03/02/pan-tilt-head-for-camera-motion-control/

Historically, moving and pointing a camera while filming was the job of a highly-skilled individual. However, there are machines that can do that, enabling all kinds of fancy movement that …read more (https://hackaday.com/2026/03/02/pan-tilt-head-for-camera-motion-control/)

NASA Uses Mars Global Localization as GNSS Replacement for the Perseverance Rover
https://hackaday.com/2026/03/02/nasa-uses-mars-global-localization-as-gnss-replacement-for-the-perseverance-rover/

Unlike on Earth there aren’t dozens of satellites whizzing around Mars to provide satellite navigation functionality. Recently NASA’s JPL engineers tried something with the Perseverance Mars rover that can give …read more (https://hackaday.com/2026/03/02/nasa-uses-mars-global-localization-as-gnss-replacement-for-the-perseverance-rover/)