Making Dry Ice at Home is Just as Hard as It Sounds
Along the road to developing his own cryocooler to produce liquid nitrogen, there are a number of interesting rabbit holes [Hyperspace Pirate] has found himself taking a look at. For
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Science
Conductive Ink Based on a Simple Idea
There’s an old series of jokes that starts with: “How do you put an elephant in a refrigerator?” The answer is to open the door, put the elephant inside, and
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Rapid Prototyping to Measure Turbidity in Rapids
[RiverTechJess] is in the process of getting a PhD in environmental engineering and has devoted a chapter to creating a turbidity sensor for river network monitoring. Environmental sensing benefits from
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Conducting Plastic Can Replace Metal
The University of Chicago has announced they have created a material that behaves like plastic but conducts like metal. They also say they don’t fully understand why it works yet.
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Leading Edge Erosion: When Precipitation Destroys Wind Turbine Blades
Erosion is all around us, from the meandering course of rivers and other waterways, to the gradual carving out of channels in even the toughest mountains, and the softening of
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With a Little Heat, Printed Parts Handle Vacuum Duty
We don’t have to tell the average Hackaday reader that desktop 3D printing has been transformative for our community, but what might not be as obvious is the impact the
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3D Printed Cartilage Ushers in Ear-a of Custom Body Parts
When it comes to repairing human bodies, there’s one major difficulty: spare parts are hard to come by. It’s simply not possible to buy a knee joint or a new
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Glass: Classic, but Mysterious
For a large part of human history, people made things from what they could find. Some stones make arrowheads. Others make sparks. Trees can turn into lumber. But the real
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A Super Simple DIY Ozone Generator
[Advanced Tinkering] needed a source of fresh ozone for some future chemistry related projects, and since buying an off-the-shelf unit would be, well, just plain boring, it was obvious what
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Peltier Cloud Chamber Produces Some Lovely Trails
[Advanced Tinkering] over on YouTube has some pretty unique content, on subjects of chemistry and physics that are a little more, interesting let’s say — anyone fancy distilling cesium? The
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