Photo from the U.S. NavyUsing Superconductivity To Supercharge The U.S. Navy -- Houston Chronicle
Think superconductivity only exists in laboratories? Think again.
During the last 60 years mine strikes have caused more than three-quarters of all U.S. Navy ship casualties, and the threat is growing as the Navy has increased its operations in coastal areas of the world's oceans.
Many of these mines are triggered by the strong magnetic fields produced by large ships. By using a process called degaussing, a ship's magnetic field can be neutralized by sending electrical current through large copper wires encircling a ship.
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My Comment: I am sure the South Korean patrol ship Cheonan wish it had this technology before being sunk last month (if it was sunk by a mine).
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