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New Material Could Harvest Water All Day Long


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New Material Could Harvest Water All Day Long
Micro-engineered, bioinspired design allows the material to collect moisture from cool fog as well as generating and collecting steam under sun
Tiny structures inspired by the shape of cactus spines allow a newly created material to gather drinkable water from the air both day and night, combining two water-harvesting technologies into one.
The material, a micro-architected hydrogel membrane (more on that later), can produce water through both solar steam-water generation and fog collection-two independent processes that typically require two separate devices. A paper about the material was published in Nature Communications on May 14. ....

United States , Ognjen Ilic , Juliar Greer , Caltech Harry Atwater , Nature Communications , University Of Texas Austin , Kavli Nanoscience Institute , Resnick Sustainability Institute , Nature Communications On , Fletcher Jones Foundation , Defense Advanced Research Projects Agency , University Of Minnesota , Donna Mettler Professor , Materials Science , Medical Engineering , Fletcher Jones Foundation Director , Kavli Nanoscience , Harry Atwater , Howard Hughes Professor , Applied Physics , Benjamin Mayhugh Assistant Professor , Mechanical Engineering , Fresh Water Harvesting , Microstructured Hydrogel Membranes , Caltech Space Solar Power Project , Joint Center ,

Tiny Shape-Shifting Polymers Developed for Potential Medical Applications


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Tiny Shape-Shifting Polymers Developed for Potential Medical Applications
Engineers at Caltech have developed a process for generating three-dimensional architected polymers with heat-dependent “shape memory” properties: that is, when heated, the material folds and unfolds itself into a new preordained shape. In this video, Caltech graduate student Luizetta Elliott explains how these shape memory polymers could one day be used to perform complex tasks inside the human body, such as unclogging a blocked artery or pulling out a blood clot. Elliott worked on micro-architected shape polymers in the lab of Julia R. Greer, the Ruben F. and Donna Mettler Professor of Materials Science, Mechanics and Medical Engineering, who is a pioneer of “nano-architected materials.” Their paper, co-authored with alumna Erika Salzman (BS ’20) is titled “Stimuli Responsive Shape Memory Microarchitectures” and was published in the journal Advanced Functional Materials on D ....

Luizetta Elliott , Juliar Greer , Us Department Of Defense , Chen Neuroscience Institute , Donna Mettler Professor , Materials Science , Medical Engineering , Erika Salzman , Responsive Shape Memory , Advanced Functional Materials , எங்களுக்கு துறை ஆஃப் பாதுகாப்பு , சென் நரம்பியல் நிறுவனம் , டோனா மெட்லர் ப்ரொஃபெஸர் , பொருட்கள் அறிவியல் , மருத்துவ பொறியியல் , எரிகா சால்ஸ்மேன் , பதிலளிக்கக்கூடியது வடிவம் நினைவு ,