5+ hour, 38+ min ago   (122+ words) The NASA Engineering and Safety Center (NESC) conducted a technical assessment to evaluate alternatives to dichloromethane, traditionally used for bonding transparent polymeric materials. This effort was initiated in response to potential regulatory restrictions under the EPA Toxic Substances Control Act…...

1+ mon, 2+ week ago   (173+ words) NASA astronaut Don Pettit demonstrates electrostatic forces using charged water droplets and a knitting needle made of Teflon. This series of overlapping frames from Feb. 19, 2025, displays the unique attraction-repulsion properties of Teflon and charged droplets, similar to how charged particles…...

1+ mon, 2+ week ago   (450+ words) The JSC toxicologists establish guidelines for safe and acceptable levels of individual chemical contaminants in spacecraft air (SMACs) and drinking water (SWEGs) in collaboration with the National Research Council's Committee on Toxicology (NRC COT) and through peer-reviewed publication." The framework…...

2+ mon, 1+ day ago   (399+ words) Hazardous Materials Summary Tables (HMSTs) are a compilation of the chemical, biological, and flammability hazards of materials on a given flight or mission. HMSTs are required by Safety for all Programs, including but not limited to ISS, Commercial Crew Program…...

2+ mon, 2+ week ago   (34+ words) Stacey Hughes, University of New Hampshire Kaylena Pham, University of Southern California" Carson Turner, University of North Dakota" Alek Libby , Florida State University" Hannah Suh, University of California, Santa Cruz" Aashi Parikh, Boston University"...

5+ mon, 2+ week ago   (265+ words) Until now, additive manufacturing, commonly known as 3D printing, of engine components was limited by the lack of affordable metal alloys that could withstand the extreme temperatures of spaceflight. Expensive metal alloys were the only option for 3D printing engine parts until…...

7+ mon, 2+ week ago   (406+ words) Othmane Benafan is a NASA engineer whose work is literally reshaping how we use aerospace materials " he creates metals that can shape shift. Benafan, a materials research engineer at NASA's Glenn Research Center in Cleveland, creates metals called shape memory…...