Revealing the buried past : geophysics for archaeologists

Thanks to ever-more sophisticated technology archaeologists can identify much that is beneath the soil without having to excavate.

From Pitt-Rivers banging the surface of the ground with a pick in the late nineteenth century, through Atkinson's revolutionary use of the 'Megger-Earth Tester', to modern-day radar survey, the value of geophysical techniques is lucidly explained with many real-life case studies.