Questions with the keyword 'helium'

• Why when cooled down to almost absolute zero does helium become a superfluid? What allows liquid helium to have such by ebygum to Adam, Geoff, Rob, Sheila, SuzieCategory: General Comments: (No comments so far )
• How much oxygen, helium and hydrogen is there in rocket fuel? by mattiosmmm to Adam, Geoff, Rob, Sheila, SuzieCategory: Space Comments: (No comments so far )