This week, Hackaday's Elliot Williams and Kristina Panos met up over the tubes to bring you the latest news, mystery sound, and of course, a big bunch of hacks from the previous seven days or so.

In Hackaday news, we've got a new contest running! Read all about the 2025 Component Abuse Challenge, sponsored by DigiKey, and check out the contest page for all the details. In sad news, American Science & Surplus are shuttering online sales, leaving just the brick and mortar stores in Wisconsin and Illinois.

On What's That Sound, it's a results show, which means Kristina gets to take a stab at it. She missed the mark, but that's okay, because [Montana Mike] knew that it was the theme music for the show Beakman's World, which was described by one contestant as "Bill Nye on crack".

After that, it's on to the hacks and such, beginning with a really cool way to smooth your 3D prints in situ. JWe take a much closer look at that talking robot's typewriter-inspired mouth from about a month ago. Then we discuss several awesome technological feats such as running code on a PAX credit card payment machine, using the alphabet as joinery, and the invention of UTF-8 in general. Finally, we discuss the detection of spicy shrimp, and marvel at the history of email.

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 338: Smoothing 3D Prints, Reading CNC Joints, and Detecting Spicy Shrimp