So when you do experiments you verify the results with something other than observing....ie ,an eye witness report!             Maybe we can't trust scientists when we are told that something has been observed!         What was it Dawkins said......evolution has been observed, it,s just that there was no one there to see it...!          By contrast the New Testament ,which was mostly written within the lifetimes of those involved, reports numerous witnesses to the resurrection. That, of course will be gainsayed but deep time has certainly not been observed.