Permanent magnets aren’t typically switchable. They’re always doing their magnet thing. However, if you align them with a bunch of...
Hackaday
Since the very beginning, solid-propellants have been the cornerstone of amateur rocketry. From the little Estes rocket picked up from...
You’ve probably heard that a 3D printer is capable of producing its own replacement parts. Sometimes, that even includes upgraded...
wanted an Everything Presence Lite kite but found it was always out of stock. Therefore, he decided to create his...
For those of us who lived through the early 8-bit computing revolution — the tail end, in our case —...
The simple definition of a mean is that of a numeric quantity which represents the center of a collection of...
For decades, the magnetic stripe has been ubiquitous on everything from credit cards to tickets to ID badges. But the...
Drive along nearly any major road in the United States and it won’t be long before you see evidence of...
We’ve all got our favorite hand tools, and while the selection criteria are usually pretty subjective, it usually boils down...
On an x86 system the BIOS is the first part of the system to become active along with the basic...
When you were five, you probably spotted your best friend running at “a million miles an hour” when they beat...
When thinking of the first PCs, most of us might imagine something like the Apple I or the TRS-80. But...
Some old computer languages are destined to never die. They do, however, evolve. For example, Fortran, among the oldest of...
I try not to go off on security rants in the newsletter, but this week I’m unable to hold back....
When the Raspberry Pi 5 SBC was released last year, it came in 4 and 8 GB RAM variants, which...
There may not be many radio astronomy printouts that have achieved universal fame, but the one from Ohio State University’s...
In today’s value-engineered world, getting a decade of service out of a cordless tool is pretty impressive. By that point...
We live in a time where there’s virtually no excuse not to have some kind of oscilloscope. As shows in...
Recently the Christie’s auction house released the list of items that would be going up for sale as part of...
Everyone likes a good lunar landing simulator, and wrote a fun take on the idea: your goal is to write...
Battery news typically covers the latest, greatest laboratory or industry breakthroughs to push modern devices further and faster. Could you...
Entangled photons are an ideal choice for large-scale networks employing quantum encryption or similar, as photons can use fiber-optical cables...
In the past few years, the price-per-watt for solar panels has dropped dramatically. This has led to a number of...
Remember when dead batteries were something you’d just toss in the trash? Those days are long gone, thankfully, and rechargeable...
Recently Canada’s Canadarm2 caught its 50th spacecraft in the form of a Northrop Grumman Cygnus cargo vessel since 2009. Although...
