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Hackaday

Hackaday Editors take a look at all of the interesting uses of technology that pop up on the internet each week. Topics cover a wide range like bending consumer electronics to your will, designing circuit boards, building robots, writing software, 3D printing interesting objects, and using machine tools. Get your fix of geeky goodness from new episodes every Friday morning.

Hackaday Podcast

It's still hot on both sides of the Atlantic, but Kristina has a new secret weapon for staying cool without making noise. Will Elliot and the others follow suit? Time will tell.
 
In Hackaday news, well, there's a lot of it. For starters, Supercon Ten tickets went on sale Thursday morning, but chances are good that by the time you read this, the early bird offering will be all pecked out. But, never fear! More tickets will be released soon enough.
 
Don't want to buy a ticket, but still want to go? Submit a talk proposal that gets accepted, and you'll be welcomed in free of charge. Lucky for you, we just extended the deadline by two weeks to August 26th.
 
After exhausting the news, Elliot reached into the ol' Mailbag and found a funny anecdote from [Vik Olliver]. (Funny in that it'll make you go 'hmm'.) A brief discussion about imperial vs. metric ensued, but then it was on to the hacks.
 
Check out the links on Hackaday if you want to follow along, and as always, tell us what you think about this episode in the comments!

Ep 382: Glueballs, Borg Cubes, and Supersonic Trebuchets

This week's Hackaday podcast is a European affair again, as Elliot Williams is joined by Jenny List on a summer evening to review the week. And we have a feast of hacks for your delectation.
 
As the title above says, one of the stand-out hacks this week was a set of airless mountain bike tyres 3D printed in glorious fluorescent TPU. They look as though they shouldn't work but in fact they showed real promise, and we discuss the process behind their design. Then we take a look at a hybrid of a UV printer and an SLA 3D printer, capable of making high-resolution and robust 3D prints. The prospect of new Amigas intrigues us for a while, then carbon-fibre fabric in 3D prints.
 
Finally we're in awe of the tech behind the Las Vegas Sphere, and we're there for some radio at the Danish BornHack hacker camp. Follow that one up and you'll find a bonus, an unofficial extra Hackaday podcast.
 
All the usual links are on Hackaday, but before you head on down to have a listen, don't forget we've got a mailbag for the podcast and we'd love to hear from you!

Ep 381: Airless Tires, Full-color Prints, and 28 MW of LEDs

Elliot Williams and Al Williams got together to compare notes on the most interesting posts this week on the site. As usual, there are just too many choices, so you'll have to settle for just the few that can fit in a podcast. The guys were excited about 3D printing -- both FDM and SLA -- as well as a few camera projects. Ever wanted your own starship? They do, too, and you'll hear about it along with portable radar and more.
 
Want to make flexible PCBs? Fill up a carbon dioxide tank? Or play Doom via regular expressions? Tune in, and you'll find out about those stories and more.
 
 Follow along with the links, and as always, tell us what you think about this episode in the comments! Better still, drop us a note in the mailbag, and you might hear your question on a future episode. You can record audio or send us a message, and one of the hosts will read it on your behalf.

Ep 380: 3D Printing the Rainbow, IR and IP Camera Hacks, and Americium 241 on the Loose

On this episode, Hackaday editors Elliot Williams and Tom Nardi discuss their love of electronic paper, clunky cartridges, and keeping old games alive by any means possible. You'll also hear about getting the most out of the sensors in our 3D printers, playing with X-rays at home, a ring that runs Java, and a roulette wheel that outgrew its 555 timer. Stick around to the end to learn about a different sort of IRC that's even more niche than the one you're probably familiar with, as well as the logistical challenges and potential benefits of catching rockets with a giant net.
 
Check out the links if you want to follow along, and as always, tell us what you think about this episode in the comments!

Ep 379: Driving E-ink DIY, NES on ESP, and the Other IRC

It's a hot one at both microphones, as Elliot Williams and Kristina Panos wilt in the heat with ice lollies and freezer packs. But still, we persevered long enough to make a podcast.
 
In Hackaday news, Supercon is on! It's going down in Pasadena, California, but the talks will be somewhere slightly larger, with a courtyard instead of an alley. Get your talk proposals in now! In other Hackaday news, we still have our Frikkin' Lasers Contest going on until Thursday, July 23rd.
 
Interestingly enough, we got a comment on an older article from none other than [Michael J. Van de Graaff], whose grandfather invented the Van de Graff generator and was "quite upset" when plans for a DIY version appeared in Scientific American. And finally, Google Earth's desktop client is being discontinued, but you can still travel the globe on your phone, or in your PC's browser.
 
Not only do we have another triple mailbag this week, we have another failed attempt at guessing the Sound by Kristina. However, [Alexander] knew that it was CD-ROM drive a-spinnin'. Speaking of What's That Sound, be sure to let us know your ideas for the new prize.
 
That sounds like a lot of preamble, but we quickly get to a full slate of hacks, a couple of which are pretty retro in retrospect. Check out the links below if you want to follow along, and as always, tell us what you think about this episode in the comments!

Ep 378: C Coders, Ceramic Printers, and Shadow Archives

This week's podcast sees Elliot joined by Jenny List, as both suffer silently in the European summer heat as the sound of a desk fan would come over on the recording.
 
The stand-out hack of the week comes from [Bitluni], whose GPU made from thousands of cheap microcontrollers is on a scale we've never seen before. It's an amazing project in itself, but the manufacturing and power consumption issues of so many processors running at the same time make for a discussion of their own.
 
Otherwise, we have diecasting on the bench, an impressive achievement by any measure, a Raman spectrometer, and an open source take on something like a Kei truck. In quick hacks there's a dicussion of soldering versus crimping for high current connectors, and neon tubes used as digital logic in an organ. The recording finishes with a discussion of 7-segment display history, and whether an engineering education teaches design for manufacture.
 
Drop us a comment and check out the links over at Hackaday.

Ep 377: Parallel Pixels, Wiggly Consoles, and Seven Segments

Hackadya's Elliot Williams and Al Williams were in a retro mood this week. There was a new '486 computer, a new mechanical TV, and a USB stick with a magnetic personality. Can you watch YouTube on a Game Boy? Maybe.
 
For the can't miss articles, this week, Elliot and Al reflected on the awkward phase of 3D printers when they transformed from being expensive commercial machines, to where they are now. Meanwhile, Al was interested in how airplanes know how fast they are going. Along the way, there were musical hacks, precision machine tools, and a quantum 8 ball.
 
Check out the links if you want to follow along, and as always, tell us what you think about this episode in the comments! Or write or record something for our mailbag segment.

Ep 376: Modern Retro Projects, Retro Modern Projects, and the Teen Years for 3D Printing

In this episode, Hackaday editors Elliot Williams and Tom Nardi start off by taking a trip down the Raspberry Pi memory lane and then tackle a fresh pile of listener mail. The discussion moves on to hacking bike counter, homebrew upgrades to the Nintendo Entertainment System, and building RAM from whats in the parts bin. You'll hear about the latest drop-in upgrade for a classic Casio watch, hosting light bulbs that host subversive literature, and loading Wii U games from a weird disk drive from the 1980s. They'll wrap things up with a dive into the evolving portrayals of brilliant rebels in media, and all the things you can do with a cheap router.
 
 Check out the links over on Hackaday if you want to follow along, and as always, tell us what you think about this episode in the comments!

Ep 375: Rebuilding Tech on Our Terms and the Hero Nerd

Things are back to normal around the Podcast studio, and this week you'll hear the dulcet tones of Elliot Williams and Kristina Panos.
 
I￼n Hackaday news, we still have a Frikkin' Lasers Challenge going on, and now you can even enter your project into it! Join the ranks, won't you?
 
Not only do we have a triple mailbag this week, we have another failed attempt at guessing the sound by Kristina. However, [Baron Maximilian von Knuthausen] knew that it was a train, a British one, even. Then it's on to the hacks, of course, which ought to go far in explaining the show title.
 
Check out the links if you want to follow along, and as always, tell us what you think about this episode in the comments!

Ep 374: Flippin' Phones, Sexy Spraysers, and Frikkin' Lasers

Last week, Elliot got his foot stepped on by a 1.5 metric ton draft horse, and boy is he glad to be back to the relative safety of podcasting! Joining him today is Jenny List, no stranger to farm life, who has been trodden by a cow. It's going to be one of those podcasts, folks.
 
Another thing the two hosts have in common is a love for the mystery of the numbers station. But did you know that GPS satellites, for the last 20 years, have broadcast literally millions of secret messages to everyone on the earth with a receiver? After that bombshell, we have an ATtiny85 emulating an 8080, a primer on how to embed magnets in 3D prints, definitive proof that more than one cassette mechanism is still being manufactured, and a look at what makes home automation enthusiasts tick.
 
Check out the links over at Hackaday if you want to follow along, and as always, tell us what you think about this episode in the comments!

Ep 381: Airless Tires, Full-color Prints, and 28 MW of LEDs

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