1) Beginning at one end, wrap the wire neatly around the nail. You may tape this in place if you like but it is not necessary for it to work. See illustration below. 2) Expose the ends of the wire by ...
A 50-foot-wide circular electromagnet – so delicate that tilting it just a few degrees would destroy it – must make a four-week journey this summer off the U.S. coast and up a river, before inching ...
A giant but delicate electromagnet has finally moved into its custom-made home in Illinois, a year after completing a cautious voyage from New York over land and sea. Last week, the 50-foot-wide (15 ...
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