The mechanism that reads and writes magnetic tape as it moves past. Quality tape recorders have three heads: play (read), record (write) and erase. Many consumer products have only two ...

The MPI system also incorporates a water-cooled 26.3 kHz drive coil, which produces the oscillating magnetic field (of up to 7 mT peak) needed to drive the SPIONs in and out of saturation. A ...

raising their heads near or above the water's surface, alternatively paddling with their flippers and sometimes spinning in place. The study demonstrates that magnetic fields may help the turtles ...

The Workpro 12-Piece Magnetic Screwdriver Set is now on sale at Walmart for just $20. It includes various types of screwdriver heads including slotted, flat, stubby, Philips, and Torx. All of ...

Sea turtles have long mystified researchers by returning to beaches where they were hatched, magnetic signals may be the key, new research finds.