Collaborate Disseminate
A word of caution if you’re planning to try this cryocooler method for making liquid nitrogen: not only does it involve toxic and flammable gasses and pressures high enough to …read more Continue reading Low-Cost Cryocooler Pumps Out Cheap DIY Liquid Nitrogen
The thermite process is a handy way to generate molten iron in the field. It’s the reaction between aluminium metal and iron oxide, which results in aluminium oxide and metallic …read more Continue reading The Thermite Process Iron Foundry
[Ben Krasnow] of the Applied Science channel recently released a video demonstrating his process for getting copper-plated traces reliably embedded into sintered nylon powder (SLS) 3D printed parts, and shows …read more Continue reading Watch SLS 3D Printed Parts Become Printed Circuits
Summer has settled upon the northern hemisphere, which means that it’s time for sweet, sweet strawberries to be cheap and plentiful. But would you believe they taste even better in …read more Continue reading Can You Freeze-Dry Strawberries Without a Machine?
For all intents and purposes, photography here in 2024 is digital. Of course chemical photography still exists, and there are a bunch of us who love it for what it …read more Continue reading Autochrome For The 2020s
Weren’t we just talking about coffee-based sacrilege the other day? Here’s something to make the single-origin bean snobs chew their espresso cups: an artisan roastery in Helsinki is offering a …read more Continue reading AI-Created Coffee Blend Isn’t Terrible
Do you like your cup of tea to be cooled down to exactly 54 C, have a love for machining, and possess more than a little bit of a mad …read more Continue reading DIY Bimetallic Strip Dings for Teatime
On our travels round the hardware world we’ve encountered more than one group pursuing the goal of making their own silicon integrated circuits, and indeed we’ve seen [Sam Zeloof] producing …read more Continue reading Almost Making a Camera Sensor From Scratch
Aluminum beverage cans are used for all kinds of drinks, but when it comes to wine there are some glitches. Chief among them is the fact that canned wine occasionally …read more Continue reading Wine in Beverage Cans Had a Rotten Egg Problem, Until Now
Battery technology is the major limiting factor for the large-scale adoption of electric vehicles and grid-level energy storage. Marginal improvements have been made for lithium cells in the past decade …read more Continue reading Implantable Battery Charges Itself