Sunita Williams breaks a 5.5-hour spacewalk record after forgetting how to walk in space
Months floating in space wasn't enough to prepare Sunita Williams for the shocking reality that she had forgotten how to walk ...
U.S. News & World Report3 天
CERN Science Gateway
CERN Science Gateway is open from Tuesday to Sunday from 9 a.m. to 5 p.m., though a cafe on-site opens a half an hour before ...