Linear Actuators 101

Linear actuators are a great help when you’re moving something along a single axis, but with so many options, how do you decide? [Jeremy Fielding] walks us through some of …read more Continue reading Linear Actuators 101
Collaborate Disseminate

Linear actuators are a great help when you’re moving something along a single axis, but with so many options, how do you decide? [Jeremy Fielding] walks us through some of …read more Continue reading Linear Actuators 101

E-paper screens have opened up a wide variety of novel use cases that just wouldn’t work with the higher power draw of an LCD. [gokux] thought it would be perfect …read more Continue reading ESticky is a Paperless Post-It

Heating things up is one of the biggest sources of cost and emissions for many industrial processes we take for granted. Most of these factories are running around the clock …read more Continue reading Thermal Batteries for Lower Carbon Industrial Processes

In what sounds like the plot from a sci-fi movie, scientists have isolated an incredibly rare immune mutation to create a universal antiviral treatment. Only present in a few dozen …read more Continue reading Antiviral PPE for the Next Pandemic

Data centers and the electrification of devices that previously ran on fossil fuels is driving increased demand for electricity around the world. China is addressing this with a megaproject that …read more Continue reading China’s Great Solar Wall is a Big Deal

One of the practical upsides of improved computer vision systems and machine learning has been the ability of computers to translate text from one language or format to another. [Jchen] …read more Continue reading This Polaroid-esque OCR Machine Turns Text to Braille in the Wild

Computers and cellphones can do so many things, but sometimes if you want to doodle or take a note, pencil and paper is the superior technology. You could carry a …read more Continue reading KeyMo Brings a Pencil to the Cyberdeck Fight
![An image of a light grey graphing calculator with a dark grey screen and key surround. The text on the monochrome LCD screen shows "Input: ENEB Result 1: BEEN Confidence 1: 14% [##] Result 2: Good Confidence 2: 12% [#] Press ENTER key..."](https://hackaday.com/wp-content/uploads/2025/07/Hermes-Optimus-TI-84-Plus-Silver-Edition-Neural-Network-YouTube-0-0-52.jpeg?w=800)
Machine learning and neural nets can be pretty handy, and people continue to push the envelope of what they can do both in high end server farms as well as …read more Continue reading A Neural Net For a Graphing Calculator?
While we know that many of you are reading Hackaday via our Really Simple Syndication (RSS) feed, we suspect that most people on the street wouldn’t know that it underlies a lot of the modern internet. [A. McNamee] and [A. Service] have created a… Continue reading Long Live RSS!

The aerospike engine holds great promise for spaceflight, but for various reasons, has remained slightly out of reach for decades. But thanks to Leap 71, the technology has moved one …read more Continue reading Generatively-Designed Aerospike Test Fired