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[explosion] Once that bomb went off, it created the first ever
electromagnetic pulse. [narrator]
An electromagnetic pulse
or EMP is a burst of
electromagnetic radiation. [Jeffry] A nuclear explosion
causes an EMP because it excites electrons
in the ionosphere which then cause
an electromagnetic pulse
electromagnetic pulse. [narrator]
An electromagnetic pulse
or EMP is a burst of
electromagnetic radiation. [Jeffry] A nuclear explosion
causes an EMP because it excites electrons
in the ionosphere which then cause
an electromagnetic pulse
Full Transcript
00:00:01.000 --> 00:00:03.000
[explosion]
00:00:03.000 --> 00:00:04.533
Once that bomb went off,
00:00:04.533 --> 00:00:07.699
it created the first ever
electromagnetic pulse.
00:00:09.999 --> 00:00:12.533
[narrator]
An electromagnetic pulse
or EMP
00:00:12.599 --> 00:00:15.799
is a burst of
electromagnetic radiation.
00:00:17.633 --> 00:00:19.933
[Jeffry] A nuclear explosion
causes an EMP
00:00:20.000 --> 00:00:23.799
because it excites electrons
in the ionosphere
00:00:23.799 --> 00:00:26.799
which then cause
an electromagnetic pulse.
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Movie Summary
The world's most incredible engineering projects are revisited to uncover why places full of mysteries and untold secrets are now abandoned ruins.