Many of us have had a radio controlled car at some time in our youth, though it’s probable that none all of us entirely mastered it. There are memories of spectacular crashes, and if we were …

Close your eyes and think of an electric wheelchair. What do you see? Is it sleek, futuristic, and elegant... worthy of the moniker: iChair? No, no it is not. It's a boxy tank-like thing with grey kno...

[caption id="attachment_222300" align="alignright" width="300"] The front of the Soviet jet train on a monument in Tver, Russia. By Eskimozzz [PD], via Wikimedia Commons.[/caption]It started with one ...

While compact disks are seeing an uptick in popularity thanks to a convenient format that offers a lossless high-quality 44.1 KHz sample rate with 16-bit depth, some people are still riding the vinyl ...

[AA7EE] is no stranger to building radios. His latest is a from-scratch build of a 20 meter QRP transceiver based on the popular SST design. Although the SST has been available as a kit, [AA7EE] in…

Long distance driving can be tedious at times. The glare of the sun and the greenhouse effect of all your car's windows make it hot and dry. You turn on the fan, or air conditioning if you have it, a...

[George Trimble] likes to build crystal radios. The original crystal radio builders used high impedance headphones. In modern builds, you are as likely to include a powered amplifier to drive a spe…

When you need a DOOMcano, there's no real substitute. And they're not just selling these things on the street-corner. Nope, friend, you've got to get the hackerspace together and build your own.

Fo...

[VK2ZAY] has a thing for 555 chips. Before the ready availability of microcontrollers, the 555 was the hardware hacker’s swiss army knife. After all, even though the chip is supposed to be a …

No Star Trek until May, 2017, at which time you'll have to pay $5/month to watch it with ads. In the meantime, this is phenomenal and was shut down by Paramount and CBS last year ostensibly becaus...

If you spent the 1980s hanging out at your local record store, and you don't have a hankering for spandex and bouffant rock-god hairstyles, the chances are you'll have more than a few pieces of electr...

Studies have shown reading to children leads to improved academic performance later in life, a trait that will make them more competitive in the workforce, and ultimately happier human beings. It foll...

Ever dreamed of a real, life-sized Transformer in your garage? The Turkish startup Letrons now offers you exactly that: Their animatronic Autobot drives like a car, transforms like a Transformer,...

There is a chain of trust in every modern computing device that starts with the code you write yourself, and extends backwards through whatever frameworks you’re using, whatever OS you’…

At some point you’ve decided that you’re going to sell your wireless product (or any product with a clock that operates above 8kHz) in the United States. Good luck! You’re going t…

We’ve seen a proliferation of real-life video game builds lately, but this one is a jaw-dropper! [Tomer Daniel] and his crew of twelve hackers, welders, and coders built a Space Invaders game…

Practically any combination of motor and gearbox can be mathematically arranged to fit all sorts of problems. You could lift a crane with a pager motor, it just might take a few hundred years. Howe…

Most new houses are part of homeowners associations, covenants, or have other restrictions on the deed that dictate what color you can paint your house, the front door, or what type of mailbox is a…

Part performance art and part social experiment, [mocymo]’s Smilemachine V6 helmet is as delightful as it is expressive. The helmet is made primarily from laser-cut MDF assembled around parts…

[Pabr] is trying to make dry ice the hard way by building a thermoelectric dry ice generator. The project is a well planned round trip through thermodynamics and cryogenics with a hard landing on t…