Summary Liz investigates the origin of language in early humans. Jem looks at regenerative braking as a way of avoiding the wastage of energy caused by conventional frictional brakes on a car. Dallas meets Dame Ellen MacArthur and endures a storm during a yacht race round the Isle of Wight, in order to look at prediction of weather. Jem uses a Wimshurst machine to demonstrate lightning and the St Elmo's fire coronal discharge that indicates that it is imminent. Dr Yan demonstrates the stroboscopic effect that causes wagon wheels to appear to run backwards in cinema and TV films.
Directed : Unknown
Written : Unknown
Stars : Liz Bonnin Jem Stansfield Dallas Campbell Yan Wong
Genres : Family Documentary
Release date : Sep 13, 2009
Countries of origin : United Kingdom
Official sites : BBC
Language : English
Production companies : British Broadcasting Corporation (BBC) The Open University
Summary Liz investigates the origin of language in early humans. Jem looks at regenerative braking as a way of avoiding the wastage of energy caused by conventional frictional brakes on a car. Dallas meets Dame Ellen MacArthur and endures a storm during a yacht race round the Isle of Wight, in order to look at prediction of weather. Jem uses a Wimshurst machine to demonstrate lightning and the St Elmo's fire coronal discharge that indicates that it is imminent. Dr Yan demonstrates the stroboscopic effect that causes wagon wheels to appear to run backwards in cinema and TV films.
Genres : Family Documentary
Release date : Sep 13, 2009
Countries of origin : United Kingdom
Official sites : BBC
Language : English
Production companies : British Broadcasting Corporation (BBC) The Open University