NASA has taken another step to make interplanetary living a reality, naming the top three finalists for its ongoing 3D-Printed Habitat Challenge last Thursday.
원문출처 : https://www.cnn.com/style/article/nasa-3d-printed-habitat-challenge/index.html
원문출처 : https://www.cnn.com/style/article/nasa-3d-printed-habitat-challenge/index.html