Astronauts Mark Vande Hei and Kayla Barron inspect cables inside the Materials Science Research Rack.
iss066e086431 (Dec. 4, 2021) — NASA astronauts and Expedition 66 Flight Engineers Mark Vande Hei and Kayla Barron inspect cables inside the Materials Science Research Rack. The space physics device enables the observation of many material types, such as metals, alloys, polymers, semiconductors, ceramics, crystals, and glasses, to study and discover new applications for existing materials and new or improved materials.