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/
https://hackaday.com/2025/07/15/wendelstein-7-x-sets-new-record-for-the-nuclear-fusion-triple-product/
Hackaday
Wendelstein 7-X Sets New Record For The Nuclear Fusion Triple Product
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 sustain the fusio…
A History of the Tandy Computers
https://hackaday.com/2025/07/15/a-history-of-the-tandy-computers/
https://hackaday.com/2025/07/15/a-history-of-the-tandy-computers/
Hackaday
A History Of The Tandy Computers
Radio Shack, despite being gone for a number of years, is still in our cultural consciousness. But Tandy, the company behind Radio Shack for many years. Did you ever wonder how a leather company st…
Arduino Saves Heat Pump
https://hackaday.com/2025/07/16/arduino-saves-heat-pump/
https://hackaday.com/2025/07/16/arduino-saves-heat-pump/
Hackaday
Arduino Saves Heat Pump
For home HVAC systems, heat pumps seem to be the way of the future. When compared to electric heating they can be three to four times more efficient, and they don’t directly burn fossil fuels…
Caltech Scientists Make Producing Plastics From CO2 More Efficient
https://hackaday.com/2025/07/16/caltech-scientists-make-producing-plastics-from-co2-more-efficient/
https://hackaday.com/2025/07/16/caltech-scientists-make-producing-plastics-from-co2-more-efficient/
Hackaday
Caltech Scientists Make Producing Plastics From CO2 More Efficient
For decades there has been this tantalizing idea being pitched of pulling CO2 out of the air and using the carbon molecules for something more useful, like making plastics. Although this is a fairl…
The DEW Line Remembered
https://hackaday.com/2025/07/16/the-dew-line-remembered/
https://hackaday.com/2025/07/16/the-dew-line-remembered/
Hackaday
The DEW Line Remembered
If you grew up in the middle of the Cold War, you probably remember hearing about the Distant Early Warning line between duck-and-cover drills. The United States and Canada built the DEW line radar…
Blu-ray Won, But At What Cost?
https://hackaday.com/2025/07/16/blu-ray-won-but-at-what-cost/
https://hackaday.com/2025/07/16/blu-ray-won-but-at-what-cost/
Hackaday
Blu-ray Won, But At What Cost?
Over on their substack [ObsoleteSony] has a new article: The Last Disc: How Blu-ray Won the War but Lost the Future. In this article the author takes us through the history of Blu-ray media and how…
Mach Cutoff: Bending The Sonic Boom
https://hackaday.com/2025/07/16/mach-cutoff-bending-the-sonic-boom/
https://hackaday.com/2025/07/16/mach-cutoff-bending-the-sonic-boom/
Hackaday
Mach Cutoff: Bending The Sonic Boom
Supersonic air travel is great if you want to get somewhere quickly. Indeed, the Concorde could rush you from New York to London in less than three and a half hours, over twice as fast as a convent…
FLOSS Weekly Episode 841: Drupal and AI: The Right Tool for Everything
https://hackaday.com/2025/07/16/floss-weekly-episode-841-drupal-and-ai-the-right-tool-for-everything/
https://hackaday.com/2025/07/16/floss-weekly-episode-841-drupal-and-ai-the-right-tool-for-everything/
Hackaday
FLOSS Weekly Episode 841: Drupal And AI: The Right Tool For Everything
This week Jonathan and Katherine talk with Jamie Abrahams about Drupal, and how AI just makes sense. No, really. Jamie makes a compelling case that Drupal is a really good tool for building AI work…
Mini Car Racing Game Really Shows Off Multicolor Printing
https://hackaday.com/2025/07/16/mini-car-racing-game-really-shows-off-multicolor-printing/
https://hackaday.com/2025/07/16/mini-car-racing-game-really-shows-off-multicolor-printing/
Hackaday
Mini Car Racing Game Really Shows Off Multicolor Printing
Quality 3D printing is a common hobbyist tool nowadays, and [wontonnn]’s mini arcade car racing game really shows off how 3D printing can bring parts from functional to fantastic. There are q…
Opening a Six-Lock Safe With One Key Using Brunnian Links
https://hackaday.com/2025/07/16/opening-a-six-lock-safe-with-one-key-using-brunnian-links/
https://hackaday.com/2025/07/16/opening-a-six-lock-safe-with-one-key-using-brunnian-links/
Hackaday
Opening A Six-Lock Safe With One Key Using Brunnian Links
Brunnian links are a type of nontrivial link – or knot – where multiple linked loops become unlinked if a single loop is cut or removed. Beyond ‘fun’ disentanglement toys an…
This SSD Will Self Destruct in Ten Seconds…
https://hackaday.com/2025/07/16/this-ssd-will-self-destruct-in-ten-seconds/
https://hackaday.com/2025/07/16/this-ssd-will-self-destruct-in-ten-seconds/
Hackaday
This SSD Will Self Destruct In Ten Seconds…
In case you can’t wait for your flash memory to die from write cycling, TeamGroup now has a drive that, via software or hardware, can destroy its own flash chips with a surge of voltage. If y…
Vintage Hardware Find Includes Time Capsule of Data
https://hackaday.com/2025/07/16/vintage-hardware-find-includes-time-capsule-of-data/
https://hackaday.com/2025/07/16/vintage-hardware-find-includes-time-capsule-of-data/
Hackaday
Vintage Hardware Find Includes Time Capsule Of Data
Before social media brought the Internet to the masses, and before even Napster, ICQ, and AIM gave those with a phone line a reason to connect online at all, those who went online often went to a B…
A Neural Net For a Graphing Calculator?
https://hackaday.com/2025/07/17/a-neural-net-for-a-graphing-calculator/
https://hackaday.com/2025/07/17/a-neural-net-for-a-graphing-calculator/
Hackaday
A Neural Net For A Graphing Calculator?
Machine learning and neural nets can be pretty handy, and people continue to push the envelope of what they can do both in high end server farms as well as slower systems. At the extreme end of the…
This Service Life Study Really Grinds Our Gears
https://hackaday.com/2025/07/17/this-service-life-study-really-grinds-our-gears/
https://hackaday.com/2025/07/17/this-service-life-study-really-grinds-our-gears/
Hackaday
This Service Life Study Really Grinds Our Gears
3D printing is arguably over-used in the maker community. It’s just so easy to run off a quick prototype and then… well, it’s good enough, right? Choosing the right plastic can go…
A Field Guide to the North American Cold Chain
https://hackaday.com/2025/07/17/a-field-guide-to-the-north-american-cold-chain/
https://hackaday.com/2025/07/17/a-field-guide-to-the-north-american-cold-chain/
Hackaday
A Field Guide To The North American Cold Chain
So far in the “Field Guide” series, we’ve mainly looked at critical infrastructure systems that, while often blending into the scenery, are easily observable once you know where t…
ProtoWeb: Browsing the Information Superhighway Like It’s 1995
https://hackaday.com/2025/07/17/protoweb-browsing-the-information-superhighway-like-its-1995/
https://hackaday.com/2025/07/17/protoweb-browsing-the-information-superhighway-like-its-1995/
Hackaday
ProtoWeb: Browsing The Information Superhighway Like It’s 1995
Feeling nostalgic? Weren’t around in the 90s but wonder what it was like? ProtoWeb has you covered! Over on his YouTube channel [RetroTech Chris] shows you how to browse the web like it’…
The Apollo–Soyuz Legacy Lives On, Fifty Years Later
https://hackaday.com/2025/07/17/the-apollo-soyuz-legacy-lives-on-fifty-years-later/
https://hackaday.com/2025/07/17/the-apollo-soyuz-legacy-lives-on-fifty-years-later/
Hackaday
The Apollo–Soyuz Legacy Lives On, Fifty Years Later
On this date in 1975, a Soviet and an American shook hands. Even for the time period, this wouldn’t have been a big deal if it wasn’t for the fact that it happened approximately 220 kil…
2025 One Hertz Challenge: Building a Better Jumping Bean
https://hackaday.com/2025/07/17/2025-one-hertz-challenge-building-a-better-jumping-bean/
https://hackaday.com/2025/07/17/2025-one-hertz-challenge-building-a-better-jumping-bean/
Hackaday
2025 One Hertz Challenge: Building A Better Jumping Bean
Do you feel nostalgia for a childhood novelty toy that had potential but ultimately fell short of its promise? Do you now have the skills to go make a better version of that toy to satisfy your lon…
Building a Stirling Engine Bike
https://hackaday.com/2025/07/17/building-a-stirling-engine-bike/
https://hackaday.com/2025/07/17/building-a-stirling-engine-bike/
Hackaday
Building A Stirling Engine Bike
Over on his YouTube channel [Tom Stanton] shows us how to build a Stirling Engine for a bike. A Stirling Engine is a heat engine, powered by the expansion and contraction of a working fluid (such a…
ESP32 Plugs In to Real-Time Crypto Prices
https://hackaday.com/2025/07/17/esp32-plugs-in-to-real-time-crypto-prices/
https://hackaday.com/2025/07/17/esp32-plugs-in-to-real-time-crypto-prices/
Hackaday
ESP32 Plugs In To Real-Time Crypto Prices
In today’s high-speed information overload environment, we often find ourselves with too much data to take in at once, causing us to occasionally miss out on opportunities otherwise drowned o…