Grumpy Old Geeks Media D, Heavy Water Media D, Heavy Water 2 mentions in 1 episode A forthcoming book described in the transcript as the second Bomb Light book. Mentions 764: Super Duper Intelligence Sep 24, 2026 52:04 D, Heavy Water. A gripping historical espionage thriller set on the eve of World War II 52:38 This comes out October 13th, 2026.