[ad_1] Wherever you have fluid, you can also find vortex rings there. Now, scientists have found vortex rings somewhere fascinating – inside a tiny pillar made of a magnetic material, the gadolinium-cobalt intermetallic compound GdCo.2. If you’ve seen smoke rings or bubble rings underwater, you’ve seen vortex rings – donut-shaped …
Read More »Physicists observe “swirling rings” in a magnetic material for the first time
