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 by Melissa Gaskill for JSC News Houston TX (SPX) Mar 18, 2018
A Dragon spacecraft scheduled to launch into orbit no earlier than April 2, carries the 14th SpaceX commercial resupply mission to the International Space Station for NASA. Lifted into orbit atop a Falcon 9 rocket from Cape Canaveral Air Force Station in Florida, Dragon takes supplies, equipment and scientific research to crew members living and working aboard the station. This flight delivers scientific investigations looking at severe thunderstorms on Earth, the effects of microgravity on production of high-performance products from metal powders, and growing food in space. Dragon also carries cargo for research in the National Laboratory, operated by the Center for the Advancement of Science in Space (CASIS), including testing the effects of the harsh space environment on materials, coatings and components; identifying potential pathogens aboard the station; and investigating an antibiotic-releasing wound patch. Highlights of research to be delivered to the station include:
Capturing Sprites and Elves ASIM advances understanding of the effect of thunderstorms on Earth's atmosphere, helping to improve atmospheric models and meteorological and climatological predictions. It also contributes to understanding the effect of dust storms, urban pollutants, forest fires, and volcanoes on cloud formation, as well as electrification and intensification of hurricanes and their relation to eye-wall lightning activity.
Metal Powder Fabrication On earth, liquid phase sintering works like building a sandcastle with just-wet-enough sand; heating a powder forms interparticle bonds and formation of a liquid phase accelerates this solidification, creating a rigid structure. But in microgravity, settling of powder grains does not occur and larger pores form, creating more porous and distorted samples than Earth-based sintering. Sintering has diverse applications on Earth, including in metal cutting tools, automotive engine connecting rods, and self-lubricating bearings. It has potential as a way to perform in-space fabrication and repair, such as building structures on the moon or creating replacement parts during extraterrestrial exploration.
Testing Materials in Space A continuation of previous MISSE payloads, MISSE-FF's new design eliminates the need for Extravehicular Activities (EVA) for these investigations. New technology includes power and data collection options and the ability to take pictures of each sample on a monthly basis, or more often if required, allowing scientists to monitor sample status throughout flight. The testing benefits a variety of industries, including automotive, aeronautics, energy, space, and transportation.
Patching up Wounds This novel patch could serve as a non-surgical treatment for military combat wounds and reduce sepsis, or systemic inflammation, usually caused by contamination of an open wound. Currently, no wound dressing can sustain release of antibiotics or other agents directly to the wound site while simultaneously maintaining the structural integrity necessary for successful wound healing.
Drug Development in Space
Knowledge matters for Year of Education on Station Washington DC (SPX) Mar 03, 2018 Teachers are known for going above and beyond when it comes to their students. In the case of astronaut Joe Acaba, this notion can be taken quite literally. The former math and science teacher may have moved on from teaching in the classroom, but he didn't move on from teaching. About 254 miles higher than any ordinary classroom, Acaba has reached the minds of thousands of students from the vantage of the International Space Station. The orbiting laboratory, a collaboration between countries, serv ... read more
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