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> It makes me think: what other processes could redefine an industry or way of thinking/designing if taken a step further Pressure-injection molded hemp plasti
by westurner 2y ago
> It makes me think: what other processes could redefine an industry or way of thinking/designing if taken a step further
Pressure-injection molded hemp plastic certainly meets spec for automotive and aerospace applications.
"Plant-based epoxy enables recyclable carbon fiber" (2022) [that's stronger than steel and lighter than fiberglass] https://news.ycombinator.com/item?id=30138954 https://news.ycombinator.com/item?id=30138954 ...
https://news.ycombinator.com/item?id=37560244 https://news.ycombinator.com/item?id=37560244
Silica aerogels are dermally abrasive.
Applications for non-silica aerogels - for example hemp aerogels - include thermal insulation, packaging, maybe upholstery fill.
There's a new method to remove oxygen from Titanium: "Cheap yet ultrapure titanium metal might enable widespread use in industry" (2024) https://news.ycombinator.com/item?id=40768549 https://news.ycombinator.com/item?id=40768549
"Electric recycling of Portland cement at scale" (2024) https://www.nature.com/articles/s41586-024-07338-8 https://www.nature.com/articles/s41586-024-07338-8 ... "Combined cement and steel recycling could cut CO2 emissions" https://news.ycombinator.com/item?id=40452946 https://news.ycombinator.com/item?id=40452946
"Researchers create green steel from toxic [aluminum production waste] red mud in 10 minutes" (2024)
https://newatlas.com/materials/toxic-baulxite-residue-aluminum-plasma-reduction-hydrogen-green-steel https://newatlas.com/materials/toxic-baulxite-residue-alumin...
There are many new imaging methods for quality inspection of steel and other metals and alloys, and biocomposites.
"Seeding steel frames brings destroyed coral reefs back to life" (2024)
https://news.ycombinator.com/item?id=39735205 https://news.ycombinator.com/item?id=39735205
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