• 1 Post
  • 32 Comments
Joined 1 year ago
cake
Cake day: July 1st, 2023

help-circle

  • For what I can tell, after the clickbaits and the sensationalisms, there is an actual unexplained discrepancy in the values of the Hubble constant measured with different methods. This means that something is not right in one of the methods (perhaps both), or that we are missing something else.

    And yes, the Hubble constant is closely related to the age of the universe, so it’s basically the same issue.

    This is actually a good thing, because the “crisis” can be the first clue to discovering some new exciting science! Just look at how the “ultraviolet catastrophe” kickstarted the field of quantum mechanics a century ago














  • Depends on what you expect them to do exactly. Today’s transistors aren’t much different than older ones, just smaller mainly. People of, say, 20-30 years ago may have the technology to inspect them (electron microscope or something like that), and the knowledge to understand them, but not the equipment to reproduce them.

    If you go much farther back in time, say before integrated circuits (1960) or even transistors (1947) were invented, I think it’s unlikely that someone could reverse engineer the thing