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/

This may say more about us than the current state of the telephone network, but unless your Grandma is still kicking, how many phone calls do you take that are …read more (https://hackaday.com/2026/07/01/terminus-is-a-text-only-phone-because-telephony-is-dead-anyway/)

UDP Broadcasting and Easily Finding Network Services
https://hackaday.com/2026/07/01/udp-broadcasting-and-easily-finding-network-services/

Local area networks (LANs) that use technologies like Ethernet and Wi-Fi are incredibly useful for letting devices talk with each other. Yet a core problem here is knowing which devices …read more (https://hackaday.com/2026/07/01/udp-broadcasting-and-easily-finding-network-services/)

Engineering Micro-Submarines to Replace Fish
https://hackaday.com/2026/07/01/engineering-micro-submarines-to-replace-fish/

Everybody loves aquariums. There’s something soothing about watching the lil’ critters inside them swimming, crawling and wriggling about. But at the same time few people are up to the task …read more (https://hackaday.com/2026/07/01/engineering-micro-submarines-to-replace-fish/)