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Growing Your Own Insulation
The latest craze in revolutionary materials science is no longer some carbon nanotube, a new mysterious alloy, or biodegradeable plastic. It seems as though a lot of new developments are coming out of...
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Beautiful Moving Origami Light Made from Scrap
Whenever [MakerMan] hits our tip line with one of his creations, we know it’s going to be something special. His projects are almost exclusively built using scrap and salvaged components, and really...
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Neural Network Pies That Might Be Worth A Try
Neural networks are a key technology in the field of machine learning. A common technique is training them with sample data, and then asking them to create something new in the same vein. AI...
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Disco Ain’t Dead: Blinky Ball Makes You Solder Inside a Dome
Disco balls take a zillion mirrors glued to a sphere and shine a spotlight on them. But what if the ball itself was the light source? Here’s a modern version that uses addressable LEDs in a 3D-printed...
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This Bitcoin Price Tracking Traffic Light Isn’t Just A Red LED
Quick, what’s the price of Bitcoin? Is it lower today than yesterday? Are you overdrafting your Lamborghini account? What if you had an easy way to tell at a glance how much you could have made if you...
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Bar Code Adds a Third Dimension
We never really thought about it before, but a traditional barcode or QR code is pretty two dimensional. A 3D barcode sounds like marketing hype but the JAB (Just Another Barcode) system adds a third...
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The Metal That Never Forgets: Nitinol and Shape-Memory
You’ve likely heard of Nitanol wire before, but we suspect the common base knowledge doesn’t go much beyond repeating that it’s a shape-memory alloy. [Bill Hammack], the Engineer Guy, takes us on a...
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Overlooked Minimalism in Assistive Technology
If your eyes are 20/20, you probably do not spend much time thinking about prescription eyeglasses. It is easy to overlook that sort of thing, and we will not blame you. When we found this creation,...
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LED-ifying A Guitar, Part Two
An electric guitar is all about stage presence. Need to be cooler than a single guitar? No problem — there are double neck guitars. Need to be cooler than that? No problem, the guy from Cheap Trick has...
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Look Like A Movie Hacker
On the old original Star Trek series, they bought some futuristic salt and pepper shakers to use on an episode. The problem is they didn’t look like salt and pepper shakers, so they used normal ones...
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Energy Sipping Neodymium Sphere Keeps on Spinning
At this point we’re sure you are aware, but around these parts we don’t deduct points for projects which we can’t immediately see a practical application for. We don’t make it our business to say what...
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Put that DLP Printer to Use Making PCBs
Now that these DLP printers are cheaper and more widely available, we’re starting to see hackers poking around the edge of the envelope to see what else the machines are capable of. [Electronoobs]...
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Electrolysis Tank Removes Rust
If you have something rusty, you can get a wire brush and a lot of elbow grease. Or you can let electricity do the work for you in an electrolysis tank. [Miller’s Planet] shows you how to build such a...
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Mining Airport WiFi Data: This Sunday Is The Worst Day To Fly
This is Thanksgiving weekend in the United States; the country’s most congested travel weekend of the year. It’s common knowledge, and it’s easy to infer that this holiday weekend is one of the busiest...
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I’m Sorry, Alexander, I’m Afraid I Can’t Do That
Getting people to space is extremely difficult, and while getting robots to space is still pretty challenging, it’s much easier. For that reason, robots and probes have been helping us explore the...
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Set Up A Headless Raspberry Pi, All From Another Computer’s Command Line
There are differences between setting up a Raspberry Pi and installing an OS on any other computer, but one thing in common is that if you do enough of them, you seek to automate the process any way...
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Mug-O-Matic Plots On Coffee Mugs
There is something fascinating about watching an autonomous machine. An automatic car wash, a soda vending machine that picks up the product behind a window, a plotter, or a robot like a CNC or 3D...
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DIY Ovalia Chair Serves Your Futuristic Fantasies
The 1960s were a heady time, with both society and the language of design undergoing rapid changes over a short period. Back in 1968, Henrik Thor-Larsen exhibited his Ovalia egg chair for the first...
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Hackaday Links: November 25, 2018
Bad Obsession Motorsport have been stuffing the engine and suspension from a 4WD Celica into an old Mini since forever. It is a wonderful homage to Police Squad and some of the best machining and...
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Quick Face Recognition With An FPGA
It’s the 21st century, and according to a lot of sci-fi movies we should have perfected AI by now, right? Well we are getting there, and this project from a group of Cornell University students...
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