Cloud seeding – spraying materials into clouds to increase precipitation – has been around for nearly 80 years. But only recently have scientists been able to measure how effective it really is.

Icy plumes that precede devastating storms called supercells may be tied to "hydraulic jumps," something Leonardo Da Vinci observed over 500 years ago.

Despite the exams algorithm fiasco, UK government bodies are making positive uses of the technology.

You might have already felt what it would be like inside a cloud made of condensed water vapor.