[Mariner]

Einstein had only an imagined story when he wrote Special and General Relativity.

Entirely unproven, entirely in his head.

[Fuzz]

‘ Einstein had only an imagined story when he wrote Special and General Relativity.

Entirely unproven, entirely in his head.’

🙄

[buwaya]

Until you can use it to predict something. Which is SOP.
Then what?

[TexasGator]

“Duke C.
Einstein had only an imagined story when he wrote Special and General Relativity.

Entirely unproven, entirely in his head.”

Seven years of study combined with a fantastic knowledge of physics.