Some projects start as hacks, and end as products — that’s the case for [Akio Sato]’s project Loko, the LoRa/GPS tracker that was entered in our 2025 Pet Hacks Contest. …read more (https://hackaday.com/2025/05/22/2025-pet-hacks-contest-loko-tracks-fido-with-lora-and-gps/)

Building a Tiny Table Saw
https://hackaday.com/2025/05/22/building-a-tiny-table-saw/

If you want a regular table saw, you’re probably best off just buying one—it’s hard to beat the economies of scale that benefit the major manufacturers. If you want a …read more (https://hackaday.com/2025/05/22/building-a-tiny-table-saw/)

Recovering Water From Cooling Tower Plumes With Plume Abatement
https://hackaday.com/2025/05/22/recovering-water-from-cooling-tower-plumes-with-plume-abatement/

The French Chinon nuclear power plant with its low-profile, forced-draft cooling towers. (Credit: EDF/Marc Mourceau)
" data-medium-file="https://hackaday.com/wp-content/uploads/2023/06/Chinon-Cooling-Towers-France.jpg?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2023/06/Chinon-Cooling-Towers-France.jpg?w=600">As a common feature with thermal power plants, cooling towers enable major water savings compared to straight through cooling methods. Even so, the big clouds of water vapor above them …read more (https://hackaday.com/2025/05/22/recovering-water-from-cooling-tower-plumes-with-plume-abatement/)

Running DOOM on an Atari ST
https://hackaday.com/2025/05/22/running-doom-on-an-atari-st/

If you grew up with a beige Atari ST on your desk and a faint feeling of being left out once Doom dropped in 1993, brace yourself — the ST …read more (https://hackaday.com/2025/05/22/running-doom-on-an-atari-st/)

Foil Leyden Jar Helps Bring Crookes Tube to Life
https://hackaday.com/2025/05/23/foil-leyden-jar-helps-bring-crookes-tube-to-life/

It might be too soon to consider the innards of the old CRT monitor at the back of your closet to be something worth putting on display in your home …read more (https://hackaday.com/2025/05/23/foil-leyden-jar-helps-bring-crookes-tube-to-life/)

Behold Self-Synchronizing, Air-Flopping Limbs That Hop and Swim
https://hackaday.com/2025/05/23/behold-self-synchronizing-air-flopping-limbs-that-hop-and-swim/

Dutch research institute [AMOLF] shows off a small robot capable of walking, hopping, and swimming without any separate control system. The limbs synchronize thanks to the physical interplay between the …read more (https://hackaday.com/2025/05/23/behold-self-synchronizing-air-flopping-limbs-that-hop-and-swim/)

POV On The Flipper Zero
https://hackaday.com/2025/05/23/pov-on-the-flipper-zero/

The Flipper Zero can do all kinds of neat stuff, like helping you cut keys or decode various radio transmissions. However, until now, it hasn’t been particularly adept at persistence …read more (https://hackaday.com/2025/05/23/pov-on-the-flipper-zero/)

This Week in Security: Signal DRM, Modern Phone Phreaking, and the Impossible SSH RCE
https://hackaday.com/2025/05/23/this-week-in-security-signal-drm-modern-phone-phreaking-and-the-impossible-ssh-rce/