Remember that feeling when you first looked down on a microscope? Now you can re-live it but in slightly different way. [Venkes] came up with a way to make a Laser Scanning Microscope (LSM) with mo…

If you lay out PC boards using software, it is a good bet you have an opinion about autorouters. Some people won't use a package that can't automatically route traces. Others won't accept a machine la...

We see a lot of Raspberry Pi projects on these pages featuring all variants of the little board from Cambridge, but with one notable exception. Surprisingly few of them have featured its industrial…

Problem: you're a student mechanic and you've already poured a ton of money into a Snap-On roller cabinet loaded with the tools of the trade, but you still need sensible storage for your cordless tool...

How many of you speak more than one language? Since Hackaday is an English-language site whose readership is world-wide, we are guessing quite a lot of you are not monoglots. Did you learn your secon...

Over the last decade or so the definition of what a ‘small satellite’ is has ballooned beyond the original cubesat design specification to satellites of 50 or 100 kg. Today a ‘smallsat’ is def...

Watch aficionados have a certain lust for mechanical watches. These old school designs rely on a spring that’s wound up to store energy. The movement, an intricate set of gears and other mech…

I had a friend who was an electronics assembly tech for a big defense contractor. He was a production floor guy who had a chip on his shoulder for the engineers with their fancy book-learnin’…

XKCD 936, the comic that introduced the phrase, 'correct horse battery staple' into both the lexicon and password dictionaries, is the best way to generate a password. Your passwords should be random ...

Sometimes a project comes our way which has so much information contained in it as to be overwhelming, and on which it is difficult to know where to start. A good example is [Barry Armstead]’…

High-altitude balloons are used to perform experiments in “near space” at 60,000-120,000 ft. (18000-36000m). However, conditions at such altitude are not particularly friendly and balloons have to...

When teaching Industrial Automation to students, you need to give them access to the things they will encounter in industry. Most subjects can be taught using computer programs or simulators &#8212…

[Tim] had a problem with his microwave. The buzzer was exceptionally annoying, and once his hot pockets or pizza rolls were done, the buzzer wouldn’t shut off. A two-kilohertz tone infected h…

IKEA’s products are known for their clean, Scandinavian design and low cost, but it is their DIY or “assemble it yourself” feature that probably makes them so popular with hackers…

There are individuals who push tools, materials, and craftsmanship to the limit in the world of micro RC aircraft, and [Martin Newell] gives some insight into the kind of work that goes into making…

If you've ever seen "Lost in Space" in Portuguese, you'd definitely recognize the phrases that [Everaldo]'s B9 robot reads off of the SD card inside its belly. If not, you can check out the video belo...

A lot of science museums and parks feature something called an acoustic mirror. The one at Houston's Discovery Green park is called the listening vessels. [Doug Hollis] created two acoustic mirrors 70...

Microscopes are a great way to see the mysteries of the universe hidden at the smaller scale. When they were first developed, scientists had to rely on illustration to convey their findings through t...

[mark.brubaker.1] and his crew decided to make a submersible for a school project using PVC pipes as a frame. It has two motors on the back to provide forward thrust and steering as well as a horizon...

Let’s talk about computer keyboards for a second. The worst keyboards in the world are the cheap ‘rubber dome’ keyboards shipped with every Dell, HP, and whatever OEM your company…

Give kids some responsible and challenging tasks, and you’d be surprised at the results. The “Anything Goes” exhibit at the National Museum in Warsaw was aimed as a museological and education…