987KiB, 636x900, 1615558023111.png View SameGoogleiqdbSauceNAO Anonymous Sun 16 May 23:29:43 2021 No.13142714 ViewReplyOriginalReport Quoted By: >>13142815 >>13142829 >>13142848 >>13143322 Is it possible that the speed of light is changing over time? What about isotope decay rate?