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Carl Sagan - Protons and Neutrons (Original Post) BootinUp Feb 19 OP
I majored in science, but I found this presentation to be very interesting. I don't ever remember anyone Martin68 Feb 19 #1
Yep, my thoughts as well. BootinUp Feb 19 #2

Martin68

(28,064 posts)
1. I majored in science, but I found this presentation to be very interesting. I don't ever remember anyone
Thu Feb 19, 2026, 04:49 PM
Feb 19

presenting it this way. Makes you think, teaches something fundamental, and is done in an entirely engaging way.

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