Synopsis
Jim Al-Khalili explains Heisenberg's famous Uncertainty Principle that explains why an atom can't be visualised.
Similar broadcast resources

Radioactive particle clean up mission | Bang Goes the Theory
Following a leak of thousands of radioactive particles in the 60's, a team at Dounreay are attempting to find and secure as many of the particles as possible.

What is electricity | Shock and Awe: The Story of Electricity
An electric current is essentially the flow of electrons (which are electrically charged) from one atom to another.