- — Building a Robot Partner to Play Air Hockey With
![[*]](img/ib-star_nm.png "mark favorite")
![[-]](img/ib-mark_nm.png "mark as read")
![[-]](img/ib-markold_nm.png "mark older as read")
![[x]](img/ib-delete_nm.png "delete article")
![[A+]](img/ib-fontbg_nm.png "larger font")
![[a-]](img/ib-fontsm_nm.png "smaller font")
![[l]](img/ib-link_nm.png "direct link")
at 3/12/26 5:00pmAir hockey is one of those sports thats both incredibly fun, but also incredibly frustrating as playing it by yourself is a rather lonely and unfulfilling experience. This is where read more- — Mapping The Sound Field Of An Acoustic Levitator
- at 3/12/26 2:00pmSound! Its a thing you hear, moreso than something you see with your eyes. And yet, it is possible to visualize sound with various techniques. [PlasmatronX] demonstrates this well, using read more
- — How Would a Field Sequential Home Computer Have Worked?
-
![[+]](img/ib-marked_nm.png "mark as new")
at 3/12/26 12:30pmThe early history of colour TV had several false starts, of which perhaps one of the most interesting might-have-beens was the CBS field-sequential system. This was a rival to the read more - — Controlling Vintage Mac OS With AI
- at 3/12/26 9:30amClassic Mac OS was prized for its clean, accessible GUI when it first hit the scene in the 1980s. Back then, developers hadnt even conceived of all the weird gewgaws read more
- — Pokemon Go Had Players Capturing More Than They Realized
- at 3/12/26 8:00amReleased in 2016, Pokemon Go quickly became a worldwide phenomenon. Even folks who werent traditionally interested in the monster-taming franchise were wandering around with their smartphones out, on the hunt read more
- — Selective Ironing Adds Designs To 3D Prints
- at 3/12/26 5:00amWhile working on a project that involved super-thin prints, [Julius Curt] came up with selective ironing, a way to put designs on the top surface of a print without adding read more
- — Open Source Radar Has Up To 20 KM Range
- at 3/12/26 2:00amPhased-array radars are great for all sorts of things, whether youre doing advanced radio research or piloting a fifth-generation combat aircraft. Theyre also typically very expensive. [Nawfal] hopes to make read more
- — A Radio Power Amplifier for Not a Lot
- at 3/11/26 11:00pmWhen building a radio transmitter, unless its a very small one indeed, theres a need for an amplifier before the antenna. This is usually referred to as the power amplifier, read more
- — Hands on with Creality’s new M1 Filament Maker
- at 3/11/26 8:00pmEver since 3D printing has become a popular tool, the question of waste has been looming in the background. The sad reality of rapid prototyping is that youre going to read more
- — Printing an Underwater Diving Helmet With Floating Air Supply
- at 3/11/26 5:00pmOld-school diving helmets are deceivingly simple, even if they are as [Hyperspace Pirate] puts it in a recent video essentially the equivalent of an upside-down bucket with an read more
- — 3D Printing a Harmonic Pin-Ring Gearing Drive
- at 3/11/26 2:00pmCycloidal drives are a type of speed reducer that are significantly more compact than gearboxes, but they still come with a fair number of components. In comparison, the harmonic pin-ring read more
- — Are We Finally At The Point Where Phones Can Replace Computers?
- at 3/11/26 12:30pmThere was an ideal of convergence, a long time ago, when one device would be all you need, digitally speaking. [ETA Prime] on YouTube seems to think weve reached that read more
- — A Rotary Dial The 3D Printed Way
- at 3/11/26 10:30amTheres a meme which may have a basis in truth, of a teenager left clueless when presented with a rotary telephone. The dial, in reality a mechanical pulse chain generator, read more
- — German Fireball’s 15 Minutes of Fame
- at 3/11/26 9:31amSunday night, around 7:00 PM local time, a bright fireball streaked across the western German sky, exploded, and rained chunks of space rock down on the region around Koblenz. One read more
- — Mini Multi-Arcade Game Cabinets with an ESP32 and Galagino
- at 3/11/26 5:00amMost people love arcade games, but putting a full-sized arcade cabinet in the living room can lead to certain unpleasant complications. Ergo the market for fun-sized cabinets has exploded alongside read more
- — Calculator Case to Scratch-Built Pocket E-Reader
- at 3/11/26 2:00amE-readers are an awesome creation allowing you to display digital information in a way that requires little battery life. While theres plenty of very impressive models to chose from on read more
- — Running Ocarina of Time on the Apple Watch
- at 3/10/26 11:00pmAt this point in time it can be safely stated that the question Does it run Doom? defaults to a resounding Yes. This raises the question of what next games should read more
- — It’s 1979 – What Exactly Did That ∫ Key Do?
- at 3/10/26 8:00pm[Michel Jean] asked a question few others might: what exactly is going on under the hood of a classic HP scientific calculator when one presses the ∫ key? A numerical read more
- — Clear Resin Casting Replicates Old Acrylic for Selectric Repair
- at 3/10/26 5:00pmIBM Selectric typewriters have a lot of unique parts that can be tricky to source, but one we didnt think of was the clear acrylic(?) dust covers, that are apparently read more
- — There Are No LEDs Around the Face of This Clock
- at 3/10/26 2:00pmThis unusual clock by [Moritz v. Sivers] looks like a holographic dial surrounded by an LED ring, but that turns out to not be the case. What appears to be read more
- — Turning a GDB Coredump Debug Session Into a Murder Mystery
- at 3/10/26 12:30pmDebugging an application crash can oftentimes feel like youre an intrepid detective in a grimy noir detective story, tasked with figuring out the sordid details behind an ugly crime. Slogging read more
As of 3/12/26 8:08pm. Last new 3/12/26 3:45pm.
- Next feed in category: UFO Sightings