The video shows a slide at a fairground that starts from a height of 35 metres. The person using the slide pauses at the top of the slide. There are various bumps in the slide along the descent. The challenge is to graph the height of the person's bum off the ground against time.

Bum height off...

This series of...

In this video from Osiris Educational Bill Rodgers discusses what effective colleague support can reasonably be given when dealing with behaviourally...

Jia-Ja Gu explains her work in research and technology for British Telecom. Her research is in connected communities, bringing innovative products and services to people in a linked and connected way. One application of her research involves putting sensors in litter bins which transmit information across a...