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Professor Andrew Jaffe featured discussing 'Time'
The equations of physics suggest time should be able to go backwards as well as forwards. Experience suggests, though, that it cannot. Why? And is time travel really possible?
Professor Andrew Jaffe talks about 'time'.
Text taken from The Economist Website
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![Caroline Jackson](http://www.imperial.ac.uk/assets/news/img/avatar.png)
Caroline Jackson
Department of Physics
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