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…

When you are running a hackspace, network security presents a particular problem. All your users will expect a wireless network, but given the people your space will attract, some of them are inevi…

A decade ago, while RISC architecture was busy changing everything and people were wearing Utilikilts without beards, hackers were doing something amazing. They repurposed off-the-shelf routers and…

There have been a lot of smart computers on TV and movies. We often think among the smartest, though, are the ones on Star Trek. Not the big "library computer" and not the little silver portable compu...

Sometimes you use a Raspberry Pi when you really could have gotten by with an Arudino. Sometimes you use an Arduino when maybe an ATtiny45 would have been better. And sometimes, like [Bill]'s motorcyc...

A Dremel is a fantastically handy tool to have around the workbench, but there is one glaring and obvious downside: you will always run out of cut-off discs. if you’re trying to break into a …

Everyone here probably has a pair of cheap Chinese calipers kicking around the workbench. This means everyone here also knows how quickly the batteries in these handy little tools die. [Thosnbn] al…

[Matteo] has just released a new installment of his Google Daydream VR controller hack, which we first covered last year (when he got it working with iOS). This time around he's managed to forge a ...

Warranty shmarranty — toss the phone in the oven! There’s apparently a problem with the assembly of the Nexus 5X smartphones, and it looks like it is due to faulty BGA chip soldering. L…

There was a time when just about every ham had a pricey VHF or UHF transceiver in their vehicle or on their belt. It was great to talk to friends while driving. You could even make phone calls from…

Most hacks need some fair bit of skill and knowledge if you want to come out successful at the other end. Others, you just plunge in blindly with a "heck, it's already broken so I can't make it any wo...

You’re in a desert, walking along in the sand when all of a sudden you look down and see a tortoise. It’s crawling toward you. Any Sci-Fi fan knows this is a question from the iconic Vo…

We're just over a month into the new year, and some people's resolve on those exercise plans are already dwindling. There's some good news though. That treadmill can be hacked into a nice belt grin...

Light up jewelry is nothing new – we see wearables all the time here. But home brew, self-contained, programmable LED earrings that are barely larger than the watch batteries which power them…

We've seen a variety of home-made laptops using the Raspberry Pi and other single board computers over the years. Usually, they combine off-the-shelf USB keyboards and trackpads with HDMI monitor pan...

Taking small LCD screens, a tiny computer running Linux, and a 3D printed enclosure to build miniature versions of old computers is a thing now. Here's [Cupcakus]'s tiny little Apple II, complete wi...