innovation13.75 min read
LEGO-powered motor reaches 4,000 RPM with minimalist parts
15 days ago•Source: Interesting Engineering
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10.48 min•16 days ago
China unveils ultrafast holographic 3D printing at 0.6 seconds
Researchers at Tsinghua University have introduced Digital Incoherent Synthesis of Holographic light fields (DISH), a holographic-based volumetric 3D printing method that can fabricate millimeter-scale objects in 0.6 seconds with 12‑micrometer precision. By projecting holographic light from multiple angles in a resin, without moving parts or layered drying, the system achieves about 333 cubic millimeters per second and could enable rapid, high-resolution production for biomedicine, nanotechnology, micro-robotics, and flexible electronics.
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Hair-thin fiber chips turn garments into microcomputers
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Wood-based smart window tunes daylight and blocks UV without power
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Under-$1 3D-printed optics enable nanoscale super-resolution imaging
Researchers show that consumer-grade 3D printers, silicone molding, and UV-curable resin can create low-cost, multi-element lenslets for a multifocal structured illumination microscope, achieving about 150 nanometers resolution comparable to commercial systems and potentially democratizing access to high-performance imaging.