The largest single archaeological excavation in the UK, at the planned Terminal 5 at Heathrow Airport, has yielded an unprecedented insight into the way mankind has used the landscape over the last 8000 years.
A team of around 80 archaeologists has been working at the 100-hectare (250- acre) site of Terminal 5 for over a year and has found evidence of human activity going back to hunter-gatherers in the Stone Age, around 6,000BC, as well as Bronze Age, Iron Age, Roman, Saxon, Medieval and later remains. In all, 80,000 objects were found, including 18,000 pieces of pottery, 40,000 pieces of worked flint and the only wooden bowl found dating to the Middle Bronze Age (1,500BC-1,100BC).
Archaeologists have also been able to piece together a fascinating insight into changes in the way that people expressed their religious feeling towards the land as farming developed. They found field boundaries laid down as early as 2,000BC continued into the 20th century.
Tony Trueman | alfa
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Physicists working with Roland Wester at the University of Innsbruck have investigated if and how chemical reactions can be influenced by targeted vibrational excitation of the reactants. They were able to demonstrate that excitation with a laser beam does not affect the efficiency of a chemical exchange reaction and that the excited molecular group acts only as a spectator in the reaction.
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Optical spectroscopy allows investigating the energy structure and dynamic properties of complex quantum systems. Researchers from the University of Würzburg present two new approaches of coherent two-dimensional spectroscopy.
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