In this video, we walk through the full analytical derivation of the electric field produced by a uniformly charged ring. Using symmetry and Coulomb’s law, we derive the exact on-axis field expression ...

In this video, we solve a Coulomb’s law practice problem involving forces from multiple charges, breaking down each step clearly and logically. Learn how to calculate electric forces, apply ...

For half a century, computing advanced in a reassuring, predictable way. Transistors—devices used to switch electrical ...

Let's take a closer look now at the general public's rights during encounters with law enforcement, as well as what law enforcement personnel can and cannot do. Paul Butler's on the line with us. He's ...

DeMarcus Lawrence will play in the first Super Bowl of his 12-year career because of an instinctual play that helped the ...

WASHINGTON (AP) — The U.S. military would have committed a crime if it killed the survivors of an attack on an alleged drug boat, legal experts say. Trump names former Federal Reserve governor Warsh ...

Florida is a state filled with beaches, sunshine, and a host of zany auto regulations, including weird stipulations wrapped around license plates and frames. To be fair, the other 49 states are not ...

A long-standing law of thermodynamics turns out to have a loophole at the smallest scales. Researchers have shown that quantum engines made of correlated particles can exceed the traditional ...

What rights do U.S. citizens and non-citizens have when they encounter law enforcement? NPR's A Martinez speaks with Georgetown University law professor Paul Butler. Let's take a closer look now at ...

Californians are getting a new, supercharged way to stop data brokers from hoarding and selling their personal information, as a recently enacted law that’s among the strictest in the nation took ...

A memo written by William P. Barr, who would later become attorney general in that Bush administration and Trump’s first administration, said a president had “ inherent constitutional authority ” to ...