In 1920, the great Nikola Tesla patented this ingenious valve that allows fluid or gas to flow in one direction but not the other. And it does it based entirely on its geometry without any moving parts. Here is the US patent, number 1,329,559.
See the magic of a Tesla Valve
Maker jargon and slang for 2021
This past year, in my weekly maker tips newsletter, Gareth's Tips, Tools, and Shop Tales, I started a semi-regular column of jargon, slang, and technical terms that I thought would be informative and/or entertaining to my readers. Here is the collected list for 2021. I've also incorporated the jargon and slang that I included in… READ THE REST
This Old Tony makes a knife for the first time
I've really been enjoying watching all of the YouTubers' Secret Santa videos. In this one, a favorite YouTube maker of mine, This Old Tony, creates a gorgeous folding knife for Xlya Foxlin. This is the first knife he's ever attempted. As is always the case with a This Old Tony video, there is LOL humor… READ THE REST
Estefannie creates a personalized digital tarot card reader
It's Secret Santa project time on YouTube. Each year, a dozen or so Tubers draw the names of other video creators and create a cool project for them. This year, Estefannie drew Allen Pan. Allen calls Estefannie a lot to have her read his tarot cards, so for her Secret Santa present to him, she… READ THE REST
Charge all your devices on the go with 54% off this portable charger
We thank our sponsor for making this content possible; it is not written by the editorial staff nor does it necessarily reflect its views. If you're a tech enthusiast who's constantly on the go, you also need to carry accessories to keep your gadgets charged. It's hard enough packing up enough cords to charge these… READ THE REST
The nomadplug is a travel adapter that'll ensure you have juice in 195 different countries
We thank our sponsor for making this content possible; it is not written by the editorial staff nor does it necessarily reflect its views. Yeah, let's just call it now: We're not really going anywhere fast at this point. But someday, we'll be able to roam freely about the world, and it will be just… READ THE REST
Got no time for a formal workout? This under-desk exercise bike is $84 off
We thank our sponsor for making this content possible; it is not written by the editorial staff nor does it necessarily reflect its views. Has your bod hit the back burner? You're not alone. And, if you haven't been hit with COVID yet, the anxiety mounting from the fear of contracting it has caused you… READ THE REST
