5K20.29 - Liquid Nitrogen Cooled Copper Plate

Cooled plate and magnet

Click here to see movie

PIRA Classification: 5K20.29

Description: A 1" thick copper plate is cooled to 77 K. Strong eddy currents are produced when a large NdFeB magnet is brought near.

Special Instructions: This requires 20 minutes to pre-cool. Once cooled, it should be good for the entire hour. A small dewar of nitrogen will be available to replenish levels.

Condition: Good

Setup time: 3 minutes

Safety Issues: Everything is cold!