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News
Re-creating NASA’s Heat Shield Problem
22+ hour, 47+ min ago (37+ words) After the Orion capsule of the Artemis I lunar mission returned to Earth, it was found that massive chunks of its heatshield had been ripped off, posing a serious risk to any future missions. In a rec......
The Heavy Disco-Ball Satellite Designed To Do… Nothing
2+ day, 10+ hour ago (32+ words) Launched in 1976, LAGEOS-1 (LAser GEOdynamic Satellite) is unusual in that it contains no instrumentation, no electronics, no power supply, and no means of propulsion. It's spherical, weighs just unde......
Trying To Fix A Suspiciously Cheap Enterprise-Grade Network Switch
2+ day, 19+ hour ago (40+ words) When you see a listing for an Ethernet switch whose specification list is in effect 'yes', with a four-digit price tag when new, and with the seller asking for less than 10% of said $3,000 asking pric......
Creating A Custom Hinge For A Motorbike’s Fuel Access Panel
3+ day, 21+ hour ago (38+ words) A fun part of modifying something like a motorbike is that you sometimes have to come up with creative solutions to basic questions, like how you can still access the fuel tank's cap after extending i......
3D Printable Lenticular Indicators
4+ day, 19+ hour ago (37+ words) You can 3D print all kinds of things, from Yoda heads to little models of Pikachu. Eventually, though, most of us get to a point where we want to print something a little more interesting. The lenticu......
The Different Ways To Look At Negative Resistance
5+ day, 19+ hour ago (32+ words) [lcamtuf] has an in-depth look at the concept of negative resistance that goes somewhat further than one might expect. Normally, as voltage across a resistance increases so too does the current. Negat......
Are Desktop PC-ABS Prints Outperformed By Industrial FDM? Not Really
5+ day, 21+ hour ago (322+ words) Hackaday [Igor] of [My Tech Fun] set out to discover what differences, if any, can be found between parts printed in PC-ABS filament on an industrial 3D printer, and those from prosumer-grade machines and filament His video is full of his…...
The First Spacecraft Launched To Orbit From Europe
1+ week, 7+ hour ago (209+ words) Hackaday The history of European space exploration is a long and distinguished one, with many decades and whole families of launch vehicles It might therefore come as a surprise that despite all this, itâs taken until 2026 for a European…...
isar aerospace – Hackaday
1+ week, 4+ hour ago (191+ words) The First Spacecraft Launched To Orbit From Europe Hackaday The history of European space exploration is a long and distinguished one, with many decades and whole families of launch vehicles. It might therefore come as a surprise that despite all…...
Comparing PETG And PCTG Filaments
1+ week, 9+ hour ago (185+ words) Hackaday The average 3D printer owner knows a few types of filaments â PLA, ABS, somewhere in the middle, PETG PCTG is another option that can be confusingly similar to PETG Recently, [Igor Gaspar] of [My Tech Fun] took a poke…...