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Safety note: the wire can get too hot to touch if you keep touching the terminals for too long. Can't see the video? Download an mp4 [21 MB] version of this video. Grab a compass, a coat hanger and a ...

If shrunken down to micron size, a compass needle could wobble. (Courtesy: iStockphoto/tobias machhaus) A tiny magnetic needle just 10 μm long could be used to create a magnetic-field sensor that – if ...

Physicists have designed an experiment to explain the concept of magnetic resonance. A versatile technique employed in chemistry, physics, and materials research, magnetic resonance describes a ...

Imagine a tiny, untethered needle that can enter the body through an incision no larger than a pin prick to perform biopsies, suture wounds, and even deliver cancer-fighting chemotherapy directly to ...

Bizarre magnetic behavior that was predicted by a famous physicist more than 80 years ago has finally been demonstrated in the lab, according to a new study. The behavior of an electron in response to ...

RIVERSIDE, Calif. -- Physicists at University of California, Riverside, have designed an experiment to explain the concept of magnetic resonance. The project was carried out by undergraduate students ...