Home / Series / The Royal Institution / Aired Order / Season 2017 / Episode 23

The Hollow Mask Illusion - ExpeRimental Extra! [NO AUDIO]

As Einstein rotates, what do you see? Does the face point towards you, or sink away? Use thi

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  • Originally Aired May 11, 2017
  • Production Code pH9dAbPOR6M
  • Created September 17, 2020 by
    Administrator admin
  • Modified September 17, 2020 by
    Administrator admin