3 ms·

They hang from the ceiling because they use evaporative cooling (the high-energy particles escape, and the low-energy particles remain in the bucket), each lowe

by ruuda 5y ago

They hang from the ceiling because they use evaporative cooling (the high-energy particles escape, and the low-energy particles remain in the bucket), each lower stage a bit cooler than the one above it.

arghwhat 5y ago
Also because it looks cool, which is only appropriate for a cooling system.
a9h74j 5y ago
AFAIK, another reason to work downward, historically at least, was to lower an assembly into an open-neck dewar.