When you’re driving your car, you’re probably regularly looking at the speedometer to make sure you comply with the local speed limits. The method by which it works is simple …read more (https://hackaday.com/2026/06/30/how-airspeed-sensors-work/)

Bite Into Strange Sounds With NOISEFERATU
https://hackaday.com/2026/06/30/bite-into-strange-sounds-with-noiseferatu/

The NOISFERATU is an open source generative textural sound synthesizer, or as creator [Robert Heel] puts it, “a sound designer’s dream and audiophile’s worst nightmare”. NOISEFERATU offers 45 different sound …read more (https://hackaday.com/2026/06/30/bite-into-strange-sounds-with-noiseferatu/)

Microsoft’s Topological Quantum Computing Claims Once Again In Question
https://hackaday.com/2026/06/30/microsofts-topological-quantum-computing-claims-once-again-in-question/

A central problem with the arguably overhyped field of quantum computing remains the difficulty in objectively ascertaining performance and new developments, as much here relies on indirect measurements. Such is …read more (https://hackaday.com/2026/06/30/microsofts-topological-quantum-computing-claims-once-again-in-question/)

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/