Their method uses the principle that when two materials come into contact, charged entities on their surfaces get a little nudge, like how rubbing a balloon on the skin creates static electricity.

A hot air balloon has crashed into an electricity line and landed in a field. Firefighters were called to Newhouse Road, Earls Colne, where the balloon had landed, at about 19:00 BST on Thursday ...

A hot air balloon has crashed into an electricity line and landed in a field. Firefighters were called to Newhouse Road, Earls Colne, where the balloon had landed, at about 19:00 BST on Thursday, ...

31,560 people played the daily Crossword recently. Can you solve it faster than others?31,560 people played the daily Crossword recently. Can you solve it faster than others?