02: Out of Sight | Richard Hammond’s Invisible Worlds

Chernobyl disaster | Inside Chernobyl's Mega Tomb

Introduction to the 1986 Chernobyl disaster and the temporary construction that was built to contain the radiation.

03: Off the Scale | Richard Hammond's Invisible Worlds

Richard Hammond explores the miniature universe around us, from microscopic changes to ice crystals that can trigger a...

Inside Porton Down: Britain's Secret Weapons Research Facility

Michael Mosley investigates Porton Down, Britain's most secretive and controversial military research base. He...

The properties of different types of radiation | Short Circuit

An explanation of how a radiation detector picks up different types of radiation.

2: Marie Curie's Radium | The Six Experiments That Changed The World

From Galileo to Einstein, from Faraday to Mendel: modern scientists try to recreate the seminal experime...

2: What is the World Made Of? | The Story of Science: Power, Proof and Passion

Michael Mosley explores how history shaped science. Here, he looks at how atomic theories and ...

Alpha particles | Chemistry: A Volatile History

Rutherford stated the fact that most alpha particles go straight through foil is evidence for the atom being mostly empty spa...

An Alpha, Beta and Gamma of Radioactivity | Short Circuit

Bringing chemistry, physics and biology to life using real-life examples, 3D graphics and practical experiments.

Chemical weapons | Inside Porton Down: Britain's Secret Weapons Research Facility

Introducing the idea of chemical and biological weapons, leading onto pathogens.

Discovery of the Neutron | Atom

Spec references J248: C1.2d, C1.2e J250: C1.2d, C1.2e. Professor Jim Al-Khalili explains how James Chadwick discovered the neutron. This solv...

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 ...

Half-life | Short Circuit

Spec references J249: P6.1j, P6.2b J250: P4.3j. Explanation and animation - Nuclear decay is random. Half-life.

History of the Atom: From Rutherford to Bohr | Chemistry: A Volatile History

Spec references J248: C1.2a J250: C1.2a. Professor Jim Al-Khalili explains the history of the at...

Lab demonstration of alpha beta gamma penetration properties. | Short Circuit

Spec references J249: P6.1l J250: P4.3l. Laboratory demonstration of the penetration propertie...

Nuclear fusion | Atom

Sunlight is created by nuclear fusion in the Sun when two protons are fused together.

Nuclear radiation - what are alpha, beta and gamma radiation? | Curriculum Bites

Spec references J249: P6.1d J250: P4.3d. Animation and explanation of alpha, beta and gamma ...

Nuclear structure | Curriculum Bites

Spec references J249: P6.1a, P6.1d J250: P4.3a,P4.3d. Animation and description of nuclear structure of unstable nucleus (francium).

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 an...

Radioactivity | Curriculum Bites

Schools science programme where topics in the double science curriculum are broken down into small chunks.

Radioactivity | Short Circuit

Bringing chemistry, physics and biology to life using real-life examples, 3D graphics and practical experiments.