Barocal can cool your food and drink by squeezing a hunk of plastic crystals
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Why plastic lingers: Water chemistry slows nature's cleanup
Scientists have long known that sunlight helps break down plastic. So, why do plastic products linger for decades and even centuries in rivers, lakes, and oceans—even when bathed in direct sunlight? Northwestern University engineers have uncovered an unexpected answer.
Show HN: 3D print Z reinforcement via injected loops
Commodity FDM print strength is limited by poor Z-axis layer bonding. Parts crack along Z under stress. MAGMA tries to fix this in software that works on any FDM 3D printer.