A SQUID (superconducting quantum interference device) is a very sensitive magnetometer used to measure extremely weak magnetic fields, based on superconducting loops containing Josephson junctions. SQUIDs are sensitive enough to measure magnetic fields as low as 5×10−18 T with a few days of averaged measurements (see orders of magnitude (magnetic field)).
A SQUID (superconducting quantum interference device) is a very sensitive magnetometer used to measure extremely weak magnetic fields, based on superconducting loops containing Josephson junctions. SQUIDs are sensitive enough to measure magnetic fields as low as 5×10−18 T with a few days of averaged measurements (see orders of magnitude (magnetic field)).
Source: Wikipedia "SQUID" · CC BY-SA 4.0
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