When an electric current passes through a metal wire, a magnetic field forms around that wire (see diagram at right ... and generators to operate. In the Earth (see image below right), the ...

This dynamic movement generates Earth's magnetic field, a protective shield against harmful solar radiation and cosmic ...

The compass needle points in the direction of the Earth's magnetic field, or the magnetic field of a magnet. place the plotting compass near the magnet on a piece of paper mark the direction the ...

Their analysis showed the complex magnetic field can determine increases in module fill factor and falls in maximum power. Researchers at the Multimedia University of Kenya have claimed the Earth ...

This "nano-compass" allows the microbe to passively orient itself in Earth's geomagnetic field (Figure 2). These magnetic nanoparticles ... concentration (top of the diagram) swim forward to ...