Univ Curious A cycloidal drive or cycloidal speed reducer is a mechanism for reducing the speed of an input shaft by a certain ratio. Cycloidal speed reducers are capable of relatively high ratios in compact sizes. November 13, 2020
Univ Curious Hubble images of colliding galaxies illustrate different stages of violent events; these are compared with a computer simulation. November 12, 2020
Univ Curious International Space Station Assembly. This annotated animation details the assembly of the International Space Station, from the launch of the first segment in 1998 to today and beyond. November 12, 2020
Univ Curious Many small steps for man: Astronaut who spent 197 days on the International Space Station shows how hard it is to walk again back on Earth. November 12, 2020
