Hackaday Links: April 20, 2025
https://hackaday.com/2025/04/20/hackaday-links-april-20-2025/

We appear to be edging ever closer to a solid statement of “We are not alone” in the universe with this week’s announcement of the detection of biosignatures in the …read more (https://hackaday.com/2025/04/20/hackaday-links-april-20-2025/)

China Hosts Robot Marathon
https://hackaday.com/2025/04/20/china-hosts-robot-marathon/

China played host to what, presumably, was the world’s first robot and human half-marathon. You can check out the action and the Tiangong Ultra robot that won in the video …read more (https://hackaday.com/2025/04/20/china-hosts-robot-marathon/)

Preventing Galvanic Corrosion in Water Cooling Loops
https://hackaday.com/2025/04/20/preventing-galvanic-corrosion-in-water-cooling-loops/

Water is an excellent coolant, but the flip side is that it is also an excellent solvent. This, in short, is why any water cooling loop is also a prime …read more (https://hackaday.com/2025/04/20/preventing-galvanic-corrosion-in-water-cooling-loops/)

Printed Perpetual Calendar Clock Contains Clever Cams
https://hackaday.com/2025/04/21/printed-perpetual-calendar-clock-contains-clever-cams/

At Hackaday, it is always clock time, and clock time is a great time to check in with [shiura], whose 3D Printed Perpetual Calendar Clock is now at Version 2. …read more (https://hackaday.com/2025/04/21/printed-perpetual-calendar-clock-contains-clever-cams/)

Biasing Transistors with Current Sources
https://hackaday.com/2025/04/21/biasing-transistors-with-current-sources/

Over on his YouTube channel [Aaron Danner] explains biasing transistors with current sources in the 29th video of his Transistors Series. In this video, he shows how to replace a …read more (https://hackaday.com/2025/04/21/biasing-transistors-with-current-sources/)

Restoration of Six-Player Arcade Game From the Early 90s
https://hackaday.com/2025/04/21/restoration-of-six-player-arcade-game-from-the-early-90s/

Although the video game crash of the mid-80s caused a major decline in arcades from their peak popularity, the industry didn’t completely die off. In fact, there was a revival …read more (https://hackaday.com/2025/04/21/restoration-of-six-player-arcade-game-from-the-early-90s/)

Keebin’ with Kristina: the One with the Part Picker
https://hackaday.com/2025/04/21/keebin-with-kristina-the-one-with-the-part-picker/