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Making Dry Ice at Home is Just as Hard as It Sounds
Making Dry Ice at Home is Just as Hard as It Sounds
HW & SW Science 

Making Dry Ice at Home is Just as Hard as It Sounds

March 10, 2023 Maya Posch 22 Viewsdry ice 1 min read

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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Conductive Ink Based on a Simple Idea
Conductive Ink Based on a Simple Idea
HW & SW Science 

Conductive Ink Based on a Simple Idea

January 14, 2023 Al Williams 68 Viewsconductive ink, conductive polymer 1 min read

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
Rapid Prototyping to Measure Turbidity in Rapids
HW & SW Science 

Rapid Prototyping to Measure Turbidity in Rapids

November 15, 2022 Abe Connelly 114 Viewsenvironmental monitoring, ESP32, ir led, turbidity, water, water sensor 1 min read

[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
Conducting Plastic Can Replace Metal
HW & SW Science 

Conducting Plastic Can Replace Metal

November 6, 2022 Al Williams 116 Viewsconductive polymer, conductor, plastic, polymer 1 min read

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
Leading Edge Erosion: When Precipitation Destroys Wind Turbine Blades
Featured HW & SW Original Art Science 

Leading Edge Erosion: When Precipitation Destroys Wind Turbine Blades

October 5, 2022 Maya Posch 128 Viewsleading edge erosion, Wind turbine, wind turbine blade 7 min read

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
With a Little Heat, Printed Parts Handle Vacuum Duty
HW & SW Parts Science 

With a Little Heat, Printed Parts Handle Vacuum Duty

September 13, 2022 Tom Nardi 131 Views3D printed parts, post-processing, vacuum, vacuum degassing 1 min read

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
3D Printed Cartilage Ushers in Ear-a of Custom Body Parts
Current Events Featured HW & SW Science Slider 

3D Printed Cartilage Ushers in Ear-a of Custom Body Parts

June 29, 2022 Lewin Day 200 Views3d printing, bio engineering, bio printing, medical, medicine 4 min read

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
Glass: Classic, but Mysterious
HW & SW Science 

Glass: Classic, but Mysterious

June 11, 2022 Al Williams 166 Viewsglass, materials 1 min read

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
A Super Simple DIY Ozone Generator
HW & SW Science 

A Super Simple DIY Ozone Generator

April 10, 2022 Dave Rowntree 170 Viewscorona discharge, high voltage, ozone 1 min read

[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
Peltier Cloud Chamber Produces Some Lovely Trails
HW & SW Science 

Peltier Cloud Chamber Produces Some Lovely Trails

March 27, 2022 Dave Rowntree 174 Viewscloud chamber, ionizing ra, peltier cooler, radiator, water cooling 2 min read

[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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