All Questions
Tagged with cryogenics superconductivity
19
questions
1
vote
0
answers
115
views
Question about Meissner Effect video
In this video, what material is on top of the superconductor disk that keeping it cold? Is it just a circular chunk of dry ice?
http://www.youtube.com/watch?v=Ws6AAhTw7RA
I'm planning on recreating ...
0
votes
1
answer
183
views
can we have a phase transition from superconductor to the normal only by applying magnetic field?
for superconductors we have a phase transition diagram. according to that phase diagram in a temperature below Tc, we can only increase the applied magnetic field to make a superconductor a normal. ...
5
votes
5
answers
678
views
Economical ways for Cooling liquid nitrogen
To have some fun with superconductors I am planning to buy them from here.
But it requires me to cool liquid nitrogen to a temperature of 77 degrees Kelvin.
Can some one tell me what kind of ...
4
votes
1
answer
290
views
What is the smallest amount of He you can use to cool a superconducting magnet?
This is an engineering question, but it is adressed to physicists who build accelerators. This question: An electromagnetic space elevator? notices that a NbSn superconducting ring around the equator ...