Sprint: The Mach 10 Magic Missile That Wasn’t Magic Enough
https://hackaday.com/2024/02/13/sprint-the-mach-10-magic-missile-that-wasnt-magic-enough/

Defending an area against incoming missiles is a difficult task. Missiles are incredibly fast and present a small target. Assuming you know they’re coming, you have to be able to …read more (https://hackaday.com/2024/02/13/sprint-the-mach-10-magic-missile-that-wasnt-magic-enough/)

Have a Ball with This 3D Printed Sphere-Making Machine
https://hackaday.com/2024/02/13/have-a-ball-with-this-3d-printed-sphere-making-machine/

Alright, everyone has 30 seconds to get all the jokes out of their system before we proceed with a look at this 3D printed wooden ball polisher. Ready? Theoretically, making …read more (https://hackaday.com/2024/02/13/have-a-ball-with-this-3d-printed-sphere-making-machine/)

A Clock Made Out of Electromechanical Relays
https://hackaday.com/2024/02/13/a-clock-made-out-of-electromechanical-relays/

Electromechanical circuits using relays are mostly a lost art these days, but sometimes you get people like [Aart] who can’t resist to turn a stack of clackity-clack relays into a …read more (https://hackaday.com/2024/02/13/a-clock-made-out-of-electromechanical-relays/)

Memory Box Shows Photos Based On Fingerprint
https://hackaday.com/2024/02/13/memory-box-shows-photos-based-on-fingerprint/

With his young son’s birthday coming up in a few weeks, [Mike Buss] wanted to build him something fun that the boy could hold on to all his life. After …read more (https://hackaday.com/2024/02/13/memory-box-shows-photos-based-on-fingerprint/)

Tool Changing? Bah! Just Add a Second Gantry
https://hackaday.com/2024/02/13/tool-changing-bah-just-add-a-second-gantry/

What’s a dual gantry 3D printer? It’s a machine with two completely independent XY motion systems, with two independent hot ends, sharing the same build platform. That might be a …read more (https://hackaday.com/2024/02/13/tool-changing-bah-just-add-a-second-gantry/)

Writing – So Easy a Caveperson Could Do It
https://hackaday.com/2024/02/13/writing-so-easy-a-caveperson-could-do-it/

We modern humans tend to take writing for granted, and often forget that like any other technology, somebody had to invent it. Researchers from Cambridge believe they’ve determined the purpose …read more (https://hackaday.com/2024/02/13/writing-so-easy-a-caveperson-could-do-it/)

Thermal Earring Tracks Body Temperature
https://hackaday.com/2024/02/13/thermal-earring-tracks-body-temperature/