Loomis' map of magnetic variation in the United States. He made his observations as directed hy Prof. Gillespie's work on surveying, and found the magnetic variation to be 3 30. This is the same ...
Loggerhead turtles “dance” when exposed to food-associated magnetic fields, and their magnetic map may help them return to specific areas after long migrations.
This effect consists of the cooling or heating of magnetic materials with the variation of an externally applied magnetic field. It is commonly utilized to develop highly energy-efficient cooling ...