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When we last left off, I had just set up a new SLA resin printer and was on the verge of doing the initial round of printing to see just …read more

Gears are usually the biggest contributors to backlash in a mechanical system, but they’re far from the only culprits. Ball bearings are a less obvious source of imprecision, since any …read more

As far as desktop microcomputers for mere mortals went in the first half of the 1980s, there was a sharp distinction between home computers such as the many 8-bit machines …read more

Although lighting 3D prints on fire is rarely the intended outcome, it’s possible that said print will at some point in its future come into contact with either an open …read more

It’s no real secret that battery packs for power tools aren’t the foremost when it comes to user serviceability, so if said battery pack suddenly stops charging outside of warranty, …read more

In the world of children’s toys there are many offerings which are meant to look like devices used by older kids or even adults, with the Fisher Price Laugh & …read more

In this era of consumer-grade FDM printers that have automatic bed levelling, automatic pressure advance tuning, automatic temperature regulation and so on buttoned away behind bullet-proof presets and automation, something …read more

In these days of hundred-gigabyte-and-more monster games, it can be nice to stop and remember what a human can do with assembly language and very, very little storage space. In …read more

When people say the key to a happy, long-lasting marriage is communication, they generally mean the verbal kind: talking things out with your spouse, sharing your feelings, and all that …read more

In a few hours, there is a solar eclipse that will be visible with a track that goes from Spain up through Greenland. Too late to travel for it, but …read more

However you make a digital computer, you need something to represent a binary digit. Usually this is some form of switch: a relay, a tube, or a transistor, although there …read more

Taking a break from putting DOOM on devices that absolutely were never conceived for use as gaming devices, [Aaron Christophel] recently got enticed by some cheapo handheld gaming systems at …read more

Governments like to do things which at least sound open and honest. It makes them look like Thoroughly Good Eggs, when maybe the truth might be a little murkier. They …read more

For as capable as smartphone hardware is, the software running on them can be especially restrictive and cumbersome. Unlike a single-board computer with GPIO running a standard Linux operating system …read more

The formula for a Raspberry Pi camera is by now a straightforward one: take a Pi and camera module, add a display, buttons, and battery, and you’re done. This doesn’t …read more

You’ve seen fiber-reinforced-plastic before, no doubt, but perhaps never quite like in this video by [Whitburn Studio]: it’s still got the usual resin, but instead of glass or carbon fibers, …read more