In geometry, there are surfaces that do without an inside or outside—and some need at least four dimensions to exist ...
The Chosun Ilbo on MSN
South Korean team develops origami-based lunar exploration wheel
The lunar surface is rugged. Deep craters are scattered everywhere, and these craters connect to lava tubes. Lava tubes are ...
A joint research team from the Korea Advanced Institute of Science and Technology (KAIST) and the Unmanned Exploration ...
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