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Time Machines: Lecture 4: Big Time, Little Time

BBC Two
on BBC Two England

The Royal Institution, London Annual Christmas Lectures to Young People
by Professor George Porter

Unlike Dr Who, we have no time machine which will take us in person back through time, yet astronomers travel back in time by studying the light and radio waves from great distances. And we have ways of looking at time through the telescope or under the microscope.

Contributors

Lecturer:
Professor George Porter
Presented for TV by:
Alan Sleath
Source: Radio Times

BBC Two England

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