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 ...

A hidden carbon film from ordinary air may be the key to volcanic lightning, explaining how identical ash particles build ...

Physicists have solved a longstanding mystery around the process that creates volcanic lightning: when similar particles rub together, why do some become positively charged while others become ...

What is Lightning?Lightning is a massive electrical discharge caused by imbalances between clouds or between a cloud and the ...