Ask the physicist - how did it all start?
Every week, Jonni Fulcher – whose daytime job is at Cern – will answer your questions about everyday physics. Why do things work as they do? What is an atom, why do we feel cold, what happens when water boils, what is an element?
This month, Jonni looks at the most fundamental issue of all - the Universe.
Clickhere for answers to all of life's questions.
If you have a question for our tame clever person – then email us on: firstname.lastname@example.org