Removing, or scrubbing, carbon dioxide from the air of confined spaces is a critical component of any life support system on a spacecraft or submarine. However, modern day ones are energy intensive, requiring temperatures of up to 200 to operate. So a research lab led by Dr. Hui He at Guangxi University in China has developed what they call micro/nano reconfigurable robots (MNRM) to scrub CO2 from the air much more efficiently. Their work is described in a new paper in Nano-Micro Letters.
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