1916: 'PHYSICIST DAD' TURNS HIS ATTENTION TO GRAVITY, AND YOU WON'T BELIEVE WHAT HE FINDS. [PICS] [NSFW]

"Headlines", by Randall Munroe, licensed under Creative Commons Attribution-NonCommercial 2.5 License

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1916: 'PHYSICIST DAD' TURNS HIS ATTENTION TO GRAVITY, AND YOU WON'T BELIEVE WHAT HE FINDS. [PICS] [NSFW]