Periodic Table of the Elements | Chemistry: A Volatile History
Professor Jim Al-Khalili looks at how the early scientists' bid to decode the order of the elements was driven by false starts and bitter disputes.Tweet
Electricity and the Atomic scale | Shock and Awe: The Story of Electricity
Jim Al-Khalili explores how Ernest Rutherford's work on the atom revealed what electricity was on the atomic scale.
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.