Ask the Physicist - Frost! Brr...
Our new feature - ask the physicist. Jonni, a very clever physicist person, will answer all your day to day questions - why do things happen as they do?
If you have a question for Jonni - you can email: email@example.com
In this cold weather - we're used to scraping the frost from the car.But why are frosts different and why does the windscreen frost up first?