This video introduces fission (spontaneous and neutron-induced), and explain the basics of a nuclear reactor.
Link to GoogleMaps image of casks at North Anna Nuclear Power Plant: https://maps.app.goo.gl/NKhiEht9WB4eC8gh6
Link to GoogleMaps image of casks at Surry Nuclear Power Plant: https://maps.app.goo.gl/svfxvniAHXvSvSuf8
Link to GoogleMaps image of casks at Calvert Cliffs Nuclear Power Plant: https://maps.app.goo.gl/AnXEybGwm2Tz7N998
Link to GoogleMaps image of a cooling pool for nuclear waste at North Anna Nuclear Power Plant: https://maps.app.goo.gl/zZha5c1oVKXbTkaK9