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NHK Documentary

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NHK Documentary

Hard-hitting documentary that takes an in-depth look at some of the political, economic, and social challenges that Japan - and our world - is facing.


Sat.1:10 - 2:00
7:10 - 8:00
13:10 - 14:00
19:10 - 20:00

Oct. 4, Sat.

Mach Stem: The Nagasaki Bombing Intensified

In 1945, US forces dropped an atomic bomb on Nagasaki. Last year, photos and a map of the aftermath were found, detailing the bomb's destructive mechanism. They showed how the Mach stem - a shock wave that hyper-intensified the power of the initial blast - was responsible for destroying buildings with increasing force 500 meters from ground zero. Through a simulation of the blast and interviews with survivors, this program reveals how the bomb was exploded to maximize its catastrophic effect.