Recent content by obiscr

  1. obiscr

    High School Why one substance does not pass through another substance？

    Got it. Thanks!
  2. obiscr

    High School Why one substance does not pass through another substance？

    Yes, I think it might be like this on a microscopic level.
  3. obiscr

    High School Why one substance does not pass through another substance？

    1. Books and desks have only one atomic core There is a book and desk, suppose the book and desk are composed of atomic atomic core and extranuclear electrons. Now, the book moves down along the y axis, while the desk stands still or moves up. Now there is a problem: the position of the...