When particles in volcanic ash cloud rub together, some pick up positive charge and others negative – now physicists have ...

It’s a fundamental principle of physics that particles with opposite charges attract each other, while those with the same charge repel. But now, scientists at the University of Oxford have found that ...

There's a big dfference between positively and negatively charged lightning. Positive lightning strikes are way more powerful than negative lightning strikes and can strike more than 20 miles away ...

Why Lightning Happens — And Why It’s So Dangerous. Meteorologist Matt Bullock explains.

Moving on to our unit on the Physics of Electricity, it's time to talk about charge. Moving on to our unit on the Physics of Electricity, it's time to talk about charge. What is charge? Is there a ...