Science News: For more than a century, the Hall effect has been taught with a simple picture that electricity flows through a material, a magnetic field pushes the .
<ul><li>News</li>
<li>Science News</li>
<li>In 1879, Edwin Hall discovered an electrical effect thought to need a perpendicular magnetic field; 147 years later, scientists have shown it can work wi… [+1719 chars]
<li>Science News</li>
<li>In 1879, Edwin Hall discovered an electrical effect thought to need a perpendicular magnetic field; 147 years later, scientists have shown it can work wi… [+1719 chars]