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Global Tech Updates
Toward regenerative bioprinting: Magnetic mixer enables scalable manufacturing of 3D-printed tissues
3D bioprinting, in which living tissues are printed with cells mixed into soft hydrogels, or "bio-inks," is widely used in the field of bioengineering for modeling or replacing the tissues in our bodies. The print quality and…
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New 3D-printing and manufacturing techniques grant more control over energetic material behavior
Much like baking the perfect cake involves following a list of ingredients and instructions, manufacturing energetic materials—explosives, pyrotechnics and propellants—requires precise formulations, conditions and procedures to ensure…
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A forgotten battery design from Thomas Edison—how scientists helped reimagine it
A little-known fact: In the year 1900, electric cars outnumbered gas-powered ones on the American road. The lead-acid auto battery of the time, courtesy of Thomas Edison, was expensive and had a range of only about 30 miles. Seeking to…
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Low-temperature, sinterless silica glass developed using 3D printing techniques
A research team has used advanced 3D printing techniques to develop low-temperature, "sinterless" silica glass. They converted 3D-printed objects into silica glass structures at significantly lower temperatures than traditional…
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Harnessing degradation: Researchers pave way for more precise, responsive shape morphing implants
An international research team has demonstrated a new approach to 4D-printed shape-morphing implants that opens the door to increasingly personalized health care. The findings, outlined in the journal Additive Manufacturing, highlight…
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Power at the micrometer scale: A battery built for the smallest machines
Sensors small enough to disappear into the body, microrobots that move without wires, and smart systems hidden inside everyday materials—all require a battery to function. As electronics shrink towards the micrometer scale, conventional…
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Scientists camouflage heart rate from invasive radar-based surveillance
It's a typical workday and you sign onto your computer. Unbeknownst to you, a high-frequency sensing system embedded in your work device is now tracking your heart rate, allowing your employer to monitor your breaks, engagement, and…
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Rotating nozzle 3D printing creates air-powered soft robots with preset bends
Soft robots made out of flexible, biocompatible materials are in high demand in industries from health care to manufacturing, but precisely designing and controlling such robots for specific purposes is a perennial challenge. What if you…
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Hair-thin silica fiber microphone detects ultrasound from 40 kHz to 1.6 MHz
Researchers have fabricated a hair-thin microphone made entirely of silica fiber that can detect a large range of ultrasound frequencies beyond the reach of the human ear. Able to withstand temperatures up to 1,000°C, the device could…
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Dynamic digital product passports for short-shelf-life food and drink could cut waste and improve…
Dynamic digital product passports—real-time, intelligent digital records that capture the true condition of perishable goods such as food and drink throughout their life cycle—could dramatically cut waste and improve safety, thanks to a…
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