• Zink@programming.dev
    link
    fedilink
    English
    arrow-up
    4
    ·
    3 days ago

    I think you are stating that backwards.

    You can definitely say that everything with mass has energy. And yeah the two are kind of interchangeable.

    But that does not mean that a photon HAS mass. It just means that we can calculate how much mass its energy is equivalent to.