Building a Micrometer-Level Displacement Sensor with 3D Printed Parts
https://hackaday.com/2026/06/30/building-a-micrometer-level-displacement-sensor-with-3d-printed-parts/

Every experienced machinist knows the value of taking regular measurements. If one works carefully and checks dimensions frequently, it’s possible to make a part much more precise than could be …read more (https://hackaday.com/2026/06/30/building-a-micrometer-level-displacement-sensor-with-3d-printed-parts/)

Retro Gear and the Mystery of Cables Melting Into Cases While in Storage
https://hackaday.com/2026/06/30/retro-gear-and-the-mystery-of-cables-melting-into-cases-while-in-storage/

The phenomenon of cable-shaped indents in the plastic cases of retro systems is one that’s probably painfully familiar to many a collector of such systems. Although in these situations neither …read more (https://hackaday.com/2026/06/30/retro-gear-and-the-mystery-of-cables-melting-into-cases-while-in-storage/)

Building a Fiber-Coupled Laser Source for Precision Optics
https://hackaday.com/2026/06/30/building-a-fiber-coupled-laser-source-for-precision-optics/

Laser diodes are convenient light sources, but for precise optical work their often-elliptical beam profile leaves something to be desired. One way to get around this is to couple the …read more (https://hackaday.com/2026/06/30/building-a-fiber-coupled-laser-source-for-precision-optics/)

How to Remove Bounce When Bouncy Objects Encounter Bounciness
https://hackaday.com/2026/06/30/how-to-remove-bounce-when-bouncy-objects-encounter-bounciness/

We all love a good bit of bounce now and then, with everything from trampolines to bouncy castles and bouncy balls forming the staple of a wholesome childhood for many. …read more (https://hackaday.com/2026/06/30/how-to-remove-bounce-when-bouncy-objects-encounter-bounciness/)

From Sugar to Ethanol Fuel With a Little Microbial Help
https://hackaday.com/2026/06/30/from-sugar-to-ethanol-fuel-with-a-little-microbial-help/

In these trying times it seems appropriate to work through some ‘what if ‘ scenarios, such as the local gas station suddenly not having any more gasoline to sell you, …read more (https://hackaday.com/2026/06/30/from-sugar-to-ethanol-fuel-with-a-little-microbial-help/)

Watch a Steam Controller Skitter Itself To Its Charge Puck
https://hackaday.com/2026/07/01/watch-a-steam-controller-skitter-itself-to-its-charge-puck/

Hacks don’t have to be practical but it helps if they are educational or clever or amusing, as [Ray Foss] demonstrates with his auto-docking Steam Controller. It’s an open-source web …read more (https://hackaday.com/2026/07/01/watch-a-steam-controller-skitter-itself-to-its-charge-puck/)

Terminus is a Text Only Phone Because Telephony is Dead Anyway
https://hackaday.com/2026/07/01/terminus-is-a-text-only-phone-because-telephony-is-dead-anyway/