Rough translation of video transcript (YT transcript translated by deepl.com):

  Lenses.
  This year's theme is now holograms
  and it's pretty funny that this is
  is called a holocam, and it's pretty funny.
  If you look at it right now, if you look at the spring right here.
  you can see a little bit of blue
  you can see a little bit of blue, which is actually
  what is it?
  it's actually acting as a camera, so
  Now, if you listen to the explanation
  what we call holography.
  is that it's now reflecting light, so we can gather that light
  and you can collect that light and act like a camera
  like a camera, so for example, you can now
  what?
  the meat.
  it can recognize the blue color
  and only recognize the blue part.
  Jace's
  holocam. It's quite
  interesting.

great find, this is much better than the article

holy shit, the glass camera in action.. Scary