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Hackaday Links: March 30, 2025

30 Marzo 2025 at 23:00
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The hits just keep coming for the International Space Station (ISS), literally in the case of a resupply mission scheduled for June that is now scrubbed thanks to a heavy equipment incident that damaged the cargo spacecraft. The shipping container for the Cygnus automated cargo ship NG-22 apparently picked up some damage in transit from Northrop Grumman’s Redondo Beach plant in Los Angeles to Florida. Engineers inspected the Cygnus and found that whatever had damaged the container had also damaged the spacecraft, leading to the June mission’s scrub.

Mission controllers are hopeful that NG-22 can be patched up enough for a future resupply mission, but that doesn’t help the ISS right now, which is said to be running low on consumables. To fix that, the next scheduled resupply mission, a SpaceX Cargo Dragon slated for an April launch, will be modified to include more food and consumables for the ISS crew. That’s great, but it might raise another problem: garbage. Unlike the reusable Cargo Dragons, the Cygnus cargo modules are expendable, which makes them a great way to dispose of the trash produced by the ISS crew since everything just burns up on reentry. The earliest a Cygnus is scheduled to dock at the ISS again is sometime in this autumn, meaning it might be a long, stinky summer for the crew.

By now you’ve probably heard the news that genetic testing company 23andMe has filed for bankruptcy. The company spent years hawking their spit-in-a-tube testing kits, which after DNA sequence analysis returned a report revealing all your genetic secrets. This led to a lot of DNA surprises, like finding a whole mess of half-siblings, learning that your kid isn’t really related to you, and even catching an alleged murderer. But now that a bankruptcy judge has given permission for the company to sell that treasure trove of genetic data to the highest bidder, there’s a mad rush of 23andMe customers to delete their data. It’s supposed to be as easy as signing into your account and clicking a few buttons to delete your data permanently, with the option to have any preserved samples destroyed as well. Color us skeptical, though, that the company would willingly allow its single most valuable asset to be drained. Indeed, there were reports of the 23andMe website crashing on Monday, probably simply because of the rush of deletion requests, but then again, maybe not.

It may not have been 121 gigawatts-worth, but the tiny sample of plutonium that a hapless Sydney “science nerd” procured may be enough to earn him some jail time. Emmanuel Lidden, 24, pleaded guilty to violations of Australia’s nuclear proliferation laws after ordering a small sample of the metal from a US supplier, as part of his laudable bid to collect a sample of every element in the periodic table. Shipping plutonium to Australia is apparently a big no-no, but not so much that the border force officials who initially seized the shipment didn’t return some of the material to Lidden. Someone must have realized they made a mistake, judging by the outsized response to re-seize the material, which included shutting down the street where his parents live and a lot of people milling about in hazmat suits. We Googled around very briefly for plutonium samples for sale, which is just another in a long list of searches since joining Hackaday that no doubt lands us on a list, and found this small chunk of trinitite encased in an acrylic cube for $100. We really hope this isn’t what the Australian authorities got so exercised about that Lidden now faces ten years in prison. That would be really embarrassing.

And finally, we couldn’t begin to tote up the many happy hours of our youth spent building plastic models. New model day was always the best day, and although it’s been a while since we’ve indulged, we’d really get a kick out of building models of some of the cars we had an emotional connection to, like the 1972 Volkswagen Beetle that took us on many high school adventures, or our beloved 1986 Toyota 4×4 pickup with the amazing 22R engine. Sadly, those always seemed to be vehicles that wouldn’t appeal to a broad enough market to make it worth a model company’s while to mass-produce. But if you’re lucky, the car of your dreams might just be available as a download thanks to the work of Andrey Bezrodny, who has created quite a collection of 3D models of off-beat and quirky vehicles. Most of the files are pretty reasonably priced considering the work that obviously went into them, and all you have to do is download the files and print them up. It’s not quite the same experience as taking the shrink-wrap off a Revell or Monogram box and freeing the plastic parts from they’re trees to glue them together, but it still looks like a lot of fun.

Hackaday Links: March 23, 2025

23 Marzo 2025 at 23:00
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What a long, strange trip it’s been for NASA astronauts Suni Williams and Bruce Wilmore, who finally completed their eight-day jaunt to space after 289 days. The duo returned to Earth from the ISS on Tuesday along with two other returning astronauts in a picture-perfect splashdown, complete with a dolphin-welcoming committee. For the benefit of those living under rocks these past nine months, Williams and Wilmore slipped the surly bonds way back in June on the first crewed test flight of the Boeing Starliner, bound for a short stay on the ISS before a planned return in the same spacecraft. Alas, all did not go to plan as their ride developed some mechanical difficulties on the way upstairs, and so rather than risk their lives on a return in a questionable capsule, NASA had them cool their heels for a couple of months while Starliner headed home without them.

There’s been a lot of talk about how Butch and Suni were “stranded,” but that doesn’t seem fair to us. Sure, their stay on the ISS was unplanned, or at least it wasn’t Plan A; we’re sure this is always a contingency NASA allows for when planning missions. Also unfortunate is the fact that they didn’t get paid overtime for the stay, not that you’d expect they would. But on the other hand, if you’re going to get stuck on a work trip, it might as well be at the world’s most exclusive and expensive resort.

Speaking of space, while it’s statistically unlikely that anyone reading this will ever get there, you can still get a little taste of what space travel is like if you’re willing to give up ten days of your life to lie in a waterbed. What’s more, the European Space Agency will pay you 5,000 euros to do it. The experiment is part of the ESA’s Vivaldi III campaign, an exploration of the effects of extended spaceflight on the human body. The “waterbed” thing is a little misleading, though; since the setup is designed to simulate the posture the body takes in microgravity, they use a tank of water (heated, we hope) with a waterproof cover to submerge volunteers up to their torso. This neutral body posture looks pretty comfortable if you’re sleeping in space, but we tend to think it’d get annoying pretty quickly down here. Especially for potty breaks, which aren’t done astronaut-style but rather by being transferred to a trolley which lets you do your business without breaking from the neutral posture. Still, 5,000 euros is 5,000 euros.

Bad news for the meme-making community, as it appears AI might be coming for you, too. A recent study found that LLMs like ChatGPT can meme better than humans, at least under certain conditions. To come to that conclusion, researchers used some pretty dank meme templates and pitted humans against ChatGPT-4o to come up with meme-worthy captions. They also had a different group of humans collaborate with the LLM to come up with meme captions, which for practical purposes probably means the humans let the chatbot do the heavy lifting and just filtered out the real stinkers. When they showed the memes to crowdsourced participants to rate them on humor, creativity, and shareability, they found that the LLM consistently produced memes that scored higher across all three categories. This makes sense when you think about it; the whole job of an LLM is to look at a bunch of words and come up with a consensus on what the next word should be. Happily, the funniest memes were written by humans, and the human-LLM collaborations were judged more creative and shareable. So we’ve got that going for us, which is good.

We noted the passing of quite a few surplus electronics shops in this space before, and the closing of each of them, understandable as they may, marks the end of an era. But we recently learned about one surplus outfit that’s still going strong. Best Electronics, which specializes in Atari retrocomputing, has been going strong for over 40 years, a neat trick when Atari itself went bankrupt over 30 years ago. While they appear to have a lot of new old stock bits and bobs — they’re said to have acquired “thousands and thousands” of pallets of Atari goods from their Sunnyvale warehouse when the company folded — they also claim to spend a lot of money on engineering development. Their online presence is delightfully Web 1.0, making it pretty hard to sort through, but we think that development is mainly upgraded PCBs for things like joysticks and keyboards. Whatever they’re doing, they should just keep on doing it.

And finally, have you ever seen a knitted breadboard? Now you have, and while it’s of no practical value, we still love it. Alanna Okun made it for the ITP Stupid Hackathon at NYU back in February. There aren’t any instructions or build docs, so it’s not clear how it works, but from the photos we’d guess there’s either conductive yarn or solid copper wire knitted into the pattern to serve as bus bars.

Hackaday Links: March 16, 2025

16 Marzo 2025 at 23:00
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“The brickings will continue until the printer sales improve!” This whole printer-bricking thing seems to be getting out of hand with the news this week that a firmware update caused certain HP printers to go into permanent paper-saver mode. The update was sent to LaserJet MFP M232-M237 models (opens printer menu; checks print queue name; “Phew!) on March 4, and was listed as covering a few “general improvements and bug fixes,” none of which seem very critical. Still, some users reported not being able to print at all after the update, with an error message suggesting printing was being blocked thanks to non-OEM toner. This sounds somewhat similar to the bricked Brother printers we reported on last week (third paragraph).

The trouble is, some users are reporting the problem even if they had genuine HP toner installed. Disturbingly, HP support seems to be fine with this, saying that older HP toner “may no longer be recognized due to new security measures.” Well, there’s your problem, lady! The fix, of course, is to buy yet more genuine HP toner, even if your current cartridge still has plenty of life left in it. That’s a pretty deplorable attitude on HP’s part, and more than enough reason to disable automatic firmware updates, or better yet, just disconnect your printer from the Internet altogether.

Here’s a pro-tip for all you frustrated coders out there: no matter how hard the job gets, planting a logic bomb in your code is probably not the right way to go. That’s the lesson that one Davis Lu learned after being convicted of “causing intentional damage to protected computers” thanks to malicious code he planted in his employer’s system. Apparently not optimistic about his future prospects with Eaton Corp. back in 2018, Lu started adding code designed to run a series of infinite loops to delete user profiles. He also went for the nuclear option, adding code to shut the whole system down should it fail to find an Active Directory entry for him. That code was apparently triggered on the day he was fired in 2019, causing global problems for his former employer. Look, we’ve all been there; coding is often lonely work, and it’s easy to fantasize about coding up something like this and watching them squirm once they fire you. But if it gets that bad, you should probably put that effort into finding a new gig.

Then again, maybe the reason you’re dissatisfied with your coding job is that you know some smart-ass LLM is out there waiting to tell you that you don’t know how to code. That’s what happened to one newbie Cursor user who tried to get help writing some video game code from the AI code editor. The LLM spat back about 750 lines of code but refused to reveal the rest, and when he asked to explain why, it suggested that he should develop the logic himself so that he’d be able to understand and maintain the code, and that “Generating code for others can lead to dependency and reduced learning opportunities.” True enough, but do we really need our AI tools to cop an attitude?

And finally, if you’re anything like us, you’re really going to love this walking tour of a container ship’s mechanical spaces. The ship isn’t named, but a little sleuthing suggests it’s one of the Gülsün-class ships built for MSC in 2019, possibly the MSC Mina, but that’s just a guess. This 400-meter monster can carry 23,656 twenty-foot equivalent units, and everything about it is big. Mercifully, the tour isn’t narrated, not that it would have been possible, thanks to the screaming equipment in the engine room. There are captions, though, so you’ll at least have some idea of what you’re looking at in the immaculately clean and cavernously huge spaces. Seriously, the main engine room has to have at least a dozen floors; being on the engineering crew must mean getting your steps in every day. The most striking thing about the tour was that not a single other human being was visible during the entire hour. We suppose that’s just a testament to how automated modern vessels have become, but it still had a wonderfully creepy liminal feeling to it. Enjoy!

Hackaday Links: March 9, 2025

9 Marzo 2025 at 23:00
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It’s been a busy week in space news, and very little of it was good. We’ll start with the one winner of the week, Firefly’s Blue Ghost Mission 1, which landed successfully on the Moon’s surface on March 2. The lander is part of NASA’s Commercial Lunar Payload Services program and carries ten scientific payloads, including a GPS/GNSS receiver that successfully tracked signals from Earth-orbiting satellites. All of the scientific payloads have completed their missions, which is good because the lander isn’t designed to withstand the long, cold lunar night only a few days away. The landing makes Firefly the first commercial outfit to successfully soft-land something on the Moon, and being the first at anything is always a big deal.

Slightly less impressive was Intuitive Machines’ attempt at a landing a day later. Their NOVA-C robotic lander Athena managed a somewhat controlled landing, but the spacecraft is lying on its side rather than upright, a surprisingly common failure mode for recent lunar landings. Also in the failure category is the loss of the world’s first private asteroid mining mission, as well as SpaceX Starship test flight 8, which ended in spectacular fashion this week as Starship exploded soon after booster separation. As usual, Scott Manley has the best analysis of the incident, which seemed to involve a fire in the engine bay that led to a rapid loss of thrust from four of its six engines, and sent the spacecraft tumbling before tearing itself apart. The only good news from the flight was the third successful catch of the returning booster by the chopsticks, which just never gets old.

What does get old is stories about printer manufacturers and their anti-consumer hijinks, especially when it involves one of the only manufacturers who wasn’t playing the “buy our consumables or we brick it” game. In addition to just about every other printer maker, Brother now stands accused of sending firmware up to printers that turns off functionality if non-OEM cartridges are used. The accusations come from Louis Rossman, well-known for his right-to-repair advocacy and, ironically, long-time proponent of Brother printers as least likely to be bricked. His accusation that “Brother is now among the rest of them” is based on a pretty small sample of affected users, and a self-selected one at that, so take that with the requisite amount of salt. For their part, Brother denies the claim, stating simply that “Brother firmware updates do not block the use of third-party ink in our machines.” They don’t go much beyond that by way of an explanation of what’s happening to the users reporting problems other than to say that the users may be confused by the fact that “we like to troubleshoot with Brother Genuine supplies.” What the real story is is anyone’s guess at this point, and the best advice we can offer is either to avoid printers altogether, or just buy the cheapest one you can get and harvest it for parts once the starter cartridges are empty.

If like us you’ve accumulated a large collection of physical media films and TV shows to while away the long dark days of a post-apocalyptic nightmare where Netflix and Hulu are but a distant memory, you might want to rethink your strategy. Some DVD aficionados have found a troubling trend with “DVD rot,” especially with discs manufactured by Warner Brothers Discovery between 2006 and 2008. It’s not clear what’s going on, but it looks like the polycarbonate cover is delaminating from the inner Mylar layer, resulting in cloudy areas that obscure the data. Warner is aware of the problem and will replace defective discs with the same title if possible, or exchange it for a title of like value if the original is no longer available. We’re dismayed that this defect probably includes our beloved Looney Tunes collection, but on the upside, now we have an excuse to sit through forty straight hours of cartoons.

And finally, if you were a NASA rocket engineer in the 1960s, skipping leg day wasn’t an option. That’s because the Saturn V full-stack shake test on the Apollo program was a very hands-on feet-on process. The shake test was performed to make sure nothing was loose on the stack, and that it would be able to withstand not only the shaking induced by those five massive F-1 engines, but also the occasional hurricane that Florida is famous for. To get the rocket shaking, engineers sat on the deck of the gantry with their legs bridging the gap and their feet up against the side of the service module and gave it all they had. Other engineers literally backed them up, to provide something to push against, while another team on the uppermost platform used a rope to play tug-of-war with the command module. They were able to get the stack moving pretty good, with a meter or so of deflection at the escape tower. It does raise the question, though: what would they have done if the test failed?

Hackaday Links: March 2, 2025

3 Marzo 2025 at 00:00
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It’s been quite a week for asteroid 2024 YR4, which looked like it was going to live up to its “city killer” moniker only to be demoted to a fraction of a percent risk of hitting us when it swings by our neighborhood in 2032. After being discovered at the end of 2024, the 55-meter space rock first popped up on the (figurative) radar a few weeks back as a potential risk to our home planet, with estimates of a direct strike steadily increasing as more data was gathered by professional and amateur astronomers alike. The James Webb Space Telescope even got in on the action, with four precious hours of “director’s discretionary” observation time dedicated to characterizing the size and shape of the asteroid before it gets too far from Earth. The result of all this stargazing is that 2024 YR4 is now at a Level 1 on the Torino Scale of NEO collision risk, with a likely downgrade to 0 by the time the asteroid next swings through again in 2028. So, if like us you were into the whole “Fiery Space Rock 2032” thing, you’ll just have to find something else to look forward to.

On the other hand, if you’re going to go out in a fiery cataclysm, going out as a trillionaire wouldn’t be a bad way to go. One lucky Citibank customer could have done that if only an asteroid had hit during the several hours it took to correct an $81 trillion credit to their account back in April, a mistake that only seems to be coming to light now. You’d think a mistake 80% the size of the global economy would have caused an overflow error somewhere along the way, or that somebody would see all those digits and think something was hinky, but apparently not since it was only the third person assigned to review the transaction that caught it. The transaction, which falls into the “near-miss” category, was reversed before any countries were purchased or fleets of space yachts were commissioned, which seems a pity but also points out the alarming fact that this happens often enough that banks have a “near-miss” category — kind of like a Broken Arrow.

We all know that near-Earth space is getting crowded, with everyone and his brother launching satellite megaconstellations to monetize our collective dopamine addiction. But it looks like things are even starting to get crowded around the Moon, at least judging by this lunar photobomb. The images were captured by the Lunar Reconnaisance Orbiter, which has been orbiting the Moon and studying the landscape for the last 16 years but stretched its capabilities a bit to capture images of the South Korean Danuri. The two probes are in parallel orbits but opposite directions and about 8 kilometers apart at the time, meaning the relative velocity between the two was an unreasonably fast 11,500 km/h. The result is a blurred streak against the lunar surface, which isn’t all that much to look at but is still quite an accomplishment. It’s not the first time these two probes have played peek-a-boo with each other; back in 2023, Danuri took a similar picture when LRO was 18 kilometers below it.

We don’t do much air travel, but here’s a tip: if you want to endear yourself to fellow travelers, it might be best to avoid setting up a phone hotspot named “I Have a Bomb.” That happened last week on American Airlines flight 2863 from Austin, Texas to Charlotte, North Carolina, with predictable results. The prank was noticed while the flight was boarding, causing law enforcement officers to board the plane and ask the prankster to own up to it. Nobody volunteered, so everyone had to deplane and go back through screening, resulting in a four-hour delay and everyone missing their connections. We’re all for fun SSIDs, mind you, but there’s a time and a place for everything.

And finally, we wanted to share this fantastic piece from Brian Potter over at Construction Physics on “Why it’s so hard to build a jet engine.” The answer might seem obvious — because it’s a jet engine, duh — but the article is a fascinating look at the entire history of jet propulsion, from their near-simultaneous invention by the principal belligerents at the end of World War II right through to their modern incarnations. The article is an exploration into the engineering of complex systems, and shows how non-obvious the problems were that needed to be solved to make jet engines practical. It’s also a lesson in the difficulties of turning a military solution into a practical commercial product. Enjoy!

Hackaday Links: February 23, 2025

24 Febrero 2025 at 00:00
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Ho-hum — another week, another high-profile bricking. In a move anyone could see coming, Humane has announced that their pricey AI Pin widgets will cease to work in any meaningful way as of noon on February 28. The company made a splash when it launched its wearable assistant in April of 2024, and from an engineering point of view, it was pretty cool. Meant to be worn on one’s shirt, it had a little bit of a Star Trek: The Next Generation comm badge vibe as the primary UI was accessed through tapping the front of the thing. It also had a display that projected information onto your hand, plus the usual array of sensors and cameras which no doubt provided a rich stream of user data. Somehow, though, Humane wasn’t able to make the numbers work out, and as a result they’ll be shutting down their servers at the end of the month, with refunds offered only to users who bought their AI Pins in the last 90 days.

How exactly Humane thought that offering what amounts to a civilian badge cam was going to be a viable business model is a bit of a mystery. Were people really going to be OK walking into a meeting where Pin-wearing coworkers could be recording everything they say? Wouldn’t wearing a device like that in a gym locker room cause a stir? Sure, the AI Pin was a little less obtrusive than something like the Google Glass — not to mention a lot less goofy — but all wearables seem to suffer the same basic problem: they’re too obvious. About the only one that comes close to passing that hurdle is the Meta Ray-Ban smart glasses, and those still have the problem of obvious cameras built into their chunky frames. Plus, who can wear Ray-Bans all the time without looking like a tool?

Good news for everyone worried about a world being run by LLMs and chatbots. It looks like all we’re going to have to do is wait them out, if a study finding that older LLMs are already showing signs of cognitive decline pans out. To come to that conclusion, researchers gave the Montreal Cognitive Assessment test to a bunch of different chatbots. The test uses simple questions to screen for early signs of impairment; some of the questions seem like something from a field sobriety test, and for good reason. Alas for the tested chatbots, the general trend was that the older the model, the poorer they did on the test. The obvious objection here is that the researchers aren’t comparing each model’s current score with results from when the model was “younger,” but that’s pretty much what happens when the test is used for humans.

You’ve got to feel sorry for astronomers. Between light pollution cluttering up the sky and an explosion in radio frequency interference, astronomers face observational challenges across the spectrum. These challenges are why astronomers prize areas like dark sky reserves, where light pollution is kept to a minimum, and radio quiet zones, which do the same for the RF part of the spectrum. Still, it’s a busy world, and noise always seems to find a way to leak into these zones. A case in point is the recent discovery that TV signals that had been plaguing the Murchison Wide-field Array in Western Australia for five years were actually bouncing off airplanes. The MWA is in a designated radio quiet zone, so astronomers were perplexed until someone had the bright idea to use the array’s beam-forming capabilities to trace the signal back to its source. The astronomers plan to use the method to identify and exclude other RFI getting into their quiet zone, both from terrestrial sources and from the many satellites whizzing overhead.

And finally, most of us are more comfortable posting our successes online than our failures, and for obvious reasons. Everyone loves a winner, after all, and admitting our failures publicly can be difficult. But Daniel Dakhno finds value in his failures, to the point where he’s devoted a special section of his project portfolio to them. They’re right there at the bottom of the page for anyone to see, meticulously organized by project type and failure mode. Each failure assessment includes an estimate of the time it took; importantly, Daniel characterizes this as “time invested” rather than “time wasted.” When you fall down, you should pick something up, right?

Hackaday Links: February 16, 2025

17 Febrero 2025 at 00:00
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Just when you thought the saga of the Bitcoin wallet lost in a Welsh landfill was over, another chapter of the story appears to be starting. Regular readers will recall the years-long efforts of Bitcoin early adopter James Howells to recover a hard drive tossed out by his ex back in 2013. The disk, which contains a wallet holding about 8,000 Bitcoin, is presumed to be in a landfill overseen by the city council of Newport, which denied every request by Howells to gain access to the dump. The matter looked well and truly settled (last item) once a High Court judge weighed in. But the announcement that the Newport Council plans to cap and close the landfill this fiscal year and turn part of it into a solar farm has rekindled his efforts.

Howells and his investment partners have expressed interest in buying the property as-is, in the hopes of recovering the $780 million-ish fortune. We don’t think much of their odds, especially given the consistently negative responses he’s gotten over the last twelve years. Howells apparently doesn’t fancy his odds much either, since the Council’s argument that closing the landfill to allow him to search would cause harm to the people of Newport was seemingly made while they were actively planning the closure. It sure seems like something foul is afoot, aside from the trove of dirty diapers Howells seeks to acquire, of course.

When all else fails, blame the monkey. The entire nation of Sri Lanka suffered a blackout last Sunday, with a hapless monkey being fingered as the guilty party. The outage began when a transformer at a substation south of the capital city of Colombo went offline. Unconfirmed reports are that a troop of monkeys was fighting, as monkeys do, and unadvisedly brought their tussle over the fence and into the substation yard. At some point, one of the warring animals sought the high ground on top of a transformer, with predictable results. How turning one monkey into air pollution managed to bring down an entire country’s grid is another question entirely.

From the enshittification files comes this horrifying story of in-dashboard ads. Stellantis, maker of Jeep, Dodge, Chrysler, and other brands that can reliably be counted upon to be littered with bad grounds, has decided to start putting full-screen pop-up advertisements on infotainment systems. As if that’s not atrocious enough, the ads will run not just when the car is first started, but every time the vehicle comes to a stop in traffic. The ads will hawk things like extended warranties, at least initially, but we predict it won’t be long before other upsell attempts are made. It would be pretty easy to pull in other data to customize ads, such as an offer to unlock heated seats if the outside temperature gets a little chilly, or even flog a pumpkin spice latte when the GPS shows you’re near a Starbucks. The possibilities are endless, and endlessly revolting, because if one car company does it, the rest will quickly follow. Ad-blocking wizards, this may be your next big target.

And finally, calling all hams, or at least those of us with an interest in digital modes. Our own Al Williams will be making an appearance on the DMR Tech Net to talk about his Hackaday recent article on Digital Mobile Radio. The discussion will be on Monday, February 17 at 00:30 UTC (19:30 EST), on Brandmeister talk group 31266. If you’ve got a DMR-capable radio, DMR Tech Net has a handy guide to getting the talk group into your code plug. If none of that makes any sense, relax — you can still tune in online using this link and the Player button in the upper right. Or, if ham radio isn’t your thing, Al will be making a second appearance the next night but on a Zoom call to discuss “How to Become Rich and (almost) Famous on Hackaday,” which is his collection of tips and tricks for getting your project to catch a Hackaday writer’s eye.

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