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...system? And how can they be utilised to reclaim barren land and grow sustainable plantations for economic markets? In this album, scientists from the UK and Malaysia explore how fungi form constructive and cooperative partnerships with other plants and trees, and how such symbiosis can be used for economic and environmental benefit. In the audio track, Professor David...

...system. It was last at perihelion (its closest approach to the sun) in 1995. Each time the comet comes to the inner solar system, it sheds dust. Over time, this debris has built up, and is smeared out along the entire track of the orbit. Once a year, in August, the Earth’s orbit crosses that of comet Swift-Tuttle, and dust from the comet is captured. If you record a...

...system [Images to demonstrate 'Chemical Vapour deposition (CVD)' - see article ] [Diagram showing the Cold Wall System] Hot wall system [Images to demonstrate 'Chemical Vapour deposition (CVD)' - see article ] Manufacture: A “high” temperature process. Cheaper, more suitable for mass-production than PVD (Physical vapour deposition), needing no special attachments,...