The first video examines the topology of modern networks – how the computers are arranged and connected together.  The history of network topologies is outlined briefly, before considering star networks in more detail.  The need for, and the advantages of a central switch, together with the concept of mesh and...

Produced in 2015, this resource looks at glass microspheres, which contain radioactive Y-90, and are currently being used to treat liver cancer in humans, where their chemical durability is of prime importance.

This...

This resource, from the Royal Observatory Greenwich, has a video that introduces the evolution on the universe beginning at the Big Bang, but it also has a worksheet that explores how mass loss through nuclear fusion can explain the prodigious ...

Daniel is a nuclear medicine technologist at Addenbrookes hospital. He uses radioactive tracers to image the path of the material through the body. He studied a short course with the Open University and spent four years training on the job at the hospital.

Curriculum links include nuclear medicine, imaging...

This Teachers TV programme observes a Year Four class at a Bristol primary school where teacher Simon Mills uses the problem of the distribution of colours in a tube of sweets to explore the challenge of understanding frequency and interpreting and presenting data. The class worked in the school's ICT suite over...