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Credits:
Host - Simon Whistler
Author - Morris M.
Producer - Jennifer Da Silva
Executive Producer - Shell Harris

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Source/Further reading:

BBC - The Monster Atomic Bomb that was too Big to Use: https://www.bbc.com/future/article/20...
Atomic heritage foundation: https://www.atomicheritage.org/histor...
Britannica: https://www.britannica.com/topic/Tsar...
History of Severny and the Novaya Zemlya: https://www.britannica.com/place/Nova...
Some good descriptions of damage caused: https://nuclearweaponarchive.org/Russ...
Slate, with some descriptions of the island pre-test: http://www.slate.com/blogs/atlas_obsc...
Atlas Obscura: https://www.atlasobscura.com/places/n...
Gizmodo: https://gizmodo.com/the-biggest-bomb-...
What would happen if Tsar Bomba had landed on Nagasaki: https://www.smithsonianmag.com/smart-...
Medium:   / the-tsar-bomba-was-a-50-megaton-monster-nuke  
Andrei Sakharov, father of the Soviet hydrogen bomb: https://www.atomicheritage.org/profil...
Sakharov’s change to dissident: http://blog.nuclearsecrecy.com/2014/0...
USSR hydrogen weapons program: https://www.atomicheritage.org/histor...
Nenets people today (pictures): https://www.theguardian.com/artanddes...
Nuclear stockpiles by country: https://www.armscontrol.org/factsheet...