As the war progressed, massive amounts of research work was done in this country to get...
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As the war progressed, massive amounts of research work was done in this country to get shorter and shorter and shorter wavelengths, and to produce something that was more like a searchlight than floodlight
Full Transcript
00:00:01.000 --> 00:00:02.043
As the war progressed,
00:00:02.043 --> 00:00:05.071
massive amounts of research work was done in this country
00:00:06.068 --> 00:00:09.413
to get shorter and shorter and shorter wavelengths,
00:00:10.032 --> 00:00:11.068
and to produce something
00:00:11.068 --> 00:00:15.713
that was more like a searchlight than floodlight.
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Movie Summary
During World War II, the British built or reinforced a series of structures consisting of over 26,000 buildings to form a line of defence against an expected German invasion. Rob Bell travels around the UK to learn their secrets.
