When buying used cars there are plenty of ways to check on their history. In many countries there are systems, like Carfax for parts of North America and Europe, that …read more (https://hackaday.com/2025/07/15/will-hp-create-a-carfax-system-for-pcs/)

The Fight to Save Lunar Trailblazer
https://hackaday.com/2025/07/15/the-fight-to-save-lunar-trailblazer/

After the fire and fury of liftoff, when a spacecraft is sailing silently through space, you could be forgiven for thinking the hard part of the mission is over. After …read more (https://hackaday.com/2025/07/15/the-fight-to-save-lunar-trailblazer/)

A Collection of Lightning Detectors
https://hackaday.com/2025/07/15/a-collection-of-lightning-detectors/

You would think detecting lightning would be easy. Each lightning bolt has a staggering amount of power, and, clearly, you can hear the results on any radio. But it is …read more (https://hackaday.com/2025/07/15/a-collection-of-lightning-detectors/)

2025 One Hertz Challenge: Metronalmost is Gunning for Last Place
https://hackaday.com/2025/07/15/2025-one-hertz-challenge-metronalmost-is-gunning-for-last-place/

We’ve just begun to receive entries to the One Hertz Challenge, but we already have an entry by [Mike Coats] that explicitly demands to be awarded last place: the Metronalmost, …read more (https://hackaday.com/2025/07/15/2025-one-hertz-challenge-metronalmost-is-gunning-for-last-place/)

Pulling at Threads With the Flipper Zero
https://hackaday.com/2025/07/15/pulling-at-threads-with-the-flipper-zero/

Gone are the days when all smart devices were required an internet uplink. The WiFi-enabled IoT fad, while still upon us (no, my coffee scale doesn’t need to be on …read more (https://hackaday.com/2025/07/15/pulling-at-threads-with-the-flipper-zero/)

USB-C Rainbow Ranger: Sensing Volts with Style
https://hackaday.com/2025/07/15/usb-c-rainbow-ranger-sensing-volts-with-style/

USB-C has enabled a lot of great things, most notably removing the no less than three attempts to plug in the cable correctly, but gone are the days of just …read more (https://hackaday.com/2025/07/15/usb-c-rainbow-ranger-sensing-volts-with-style/)

Wendelstein 7-X Sets New Record for the Nuclear Fusion Triple Product
https://hackaday.com/2025/07/15/wendelstein-7-x-sets-new-record-for-the-nuclear-fusion-triple-product/

View inside the vacuum vessel of Wendelstein 7-X in Greifswald, Germany. (Credit: Jan Hosan, MPI for Plasma Physics)
" data-medium-file="https://hackaday.com/wp-content/uploads/2025/07/wendelstein_7-x_interior.jpg?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2025/07/wendelstein_7-x_interior.jpg?w=800">In nuclear fusion, the triple product – also known as the Lawson criterion – defines the point at which a nuclear fusion reaction produces more power than is needed to …read more (https://hackaday.com/2025/07/15/wendelstein-7-x-sets-new-record-for-the-nuclear-fusion-triple-product/)

A History of the Tandy Computers
https://hackaday.com/2025/07/15/a-history-of-the-tandy-computers/