Hardly a person hasn’t experienced the sudden, sharp discharge of static electricity, especially on a crisp winter’s day. It usually requires a touch, though, the classic example being a spark from ...

Imagine a satellite, floating in space. How would you measure its voltage? Yes, it probably has a non-zero voltage, a consequence of geospatial electric fields and ion and electron currents. The ...

We must be conscious of the fact that there are no safe places outdoors with nearby thunderstorms and probably the most dangerous lightning strikes are the first ones hitting ground. They catch people ...