How Giant Tanks Of Fluid Could Help Support The Power Grid
https://hackaday.com/2026/05/05/how-giant-tanks-of-fluid-could-help-support-the-power-grid/

If you’ve been paying any attention to the renewable energy space, you’ll know that generation isn’t really the problem anymore. Solar panels are cheap, and wind turbines are everywhere. The …read more (https://hackaday.com/2026/05/05/how-giant-tanks-of-fluid-could-help-support-the-power-grid/)

Using NFC to Power Devices Instead of Qi
https://hackaday.com/2026/05/05/using-nfc-to-power-devices-instead-of-qi/

It shouldn’t be any surprise that NFC and similar RFID implementations are capable of providing power to a receiver, since this is after all how RFID tags can work without …read more (https://hackaday.com/2026/05/05/using-nfc-to-power-devices-instead-of-qi/)

Cutting Steel Gears with Homemade EDM
https://hackaday.com/2026/05/05/cutting-steel-gears-with-homemade-edm/

Electrostatic discharge machining (EDM) may be slower than alternatives like laser cutting, water jets, or a milling machine, but for some applications there’s no alternative: it can cut through any …read more (https://hackaday.com/2026/05/05/cutting-steel-gears-with-homemade-edm/)

Defeating the [Works By Design]’s Unpickable Lock
https://hackaday.com/2026/05/05/defeating-the-works-by-designs-unpickable-lock/

Even though the very concept of an ‘unpickable lock’ is as plausible as making water not be wet, this doesn’t take away from the intellectual thrill of devising solutions to …read more (https://hackaday.com/2026/05/05/defeating-the-works-by-designs-unpickable-lock/)

Earthworms Don’t Bio-Accumulate Microplastics, So There May be Hope For Us
https://hackaday.com/2026/05/05/earthworms-dont-bio-accumulate-microplastics-so-there-may-be-hope-for-us/

Microplastics absolutely saturate the Earth’s environment, and that’s probably not a good thing unless you’re looking for a sediment marker for the Anthropocene period. On the other hand, environmental contamination …read more (https://hackaday.com/2026/05/05/earthworms-dont-bio-accumulate-microplastics-so-there-may-be-hope-for-us/)

Using Hamster Power to Charge a Phone
https://hackaday.com/2026/05/05/using-hamster-power-to-charge-a-phone/

It seems fair to say that hamsters are a somewhat divisive pet, between their fluffiness, high-strung nature, short lifespan and incessant squeaking that sounds like some electronic device is trying …read more (https://hackaday.com/2026/05/05/using-hamster-power-to-charge-a-phone/)

RGB Laser Projector Does Colorful Asteroids and Much More
https://hackaday.com/2026/05/06/rgb-laser-projector-does-colorful-asteroids-and-much-more/

Have you thought about building a galvonometer-based laser projector, but don’t know where to start? There are a lot of resources out there, but you could do worse than to …read more (https://hackaday.com/2026/05/06/rgb-laser-projector-does-colorful-asteroids-and-much-more/)