Первая часть видео про пушки https://celnozor.org/page/pushki-chast-1
Вторая часть https://celnozor.org/page/pushki-chast-2

Ссылки smoke vortex cannons, talking lasers etc.:
https://www.tart-aria.info/jenergetika-proshlogo-krymskaja-vojna
https://kesar-civ.livejournal.com/231119.html
https://pro-vladimir.livejournal.com/141009.html
https://www.tart-aria.info/krah-inzhenera-garina
https://ru.wikipedia.org/wiki/Бомарсунд
http://homad.ru/kak-strelyala-nemeckaya-pushka-vyzyvayushhaya-tornado
https://www.youtube.com/watch?v=_GL3xAaIcvI
https://www.youtube.com/watch?v=GHiTDsFTFQQ
https://www.youtube.com/watch?v=op-zE-qQQ24
https://www.youtube.com/watch?v=QHen1rXttFo
https://www.youtube.com/watch?v=kHpBComsngQ
https://www.youtube.com/watch?v=moptTasAkVQ
https://www.youtube.com/watch?v=UYr3zPP5rCw
https://www.youtube.com/watch?v=TFbhDI6g7tQ