Grand Central Whispering Gallery

At about 8:55, the host goes into a little detail about the parabolic tiled ceiling of the “whispering gallery” at Grand Central. Also, there’s some crazy info about how that tiled ceiling is supported by the angles of the tiles themselves.

Pepper’s Ghost/Holograms

…following up on our discussion of Elcott, Pepper’s Ghost, and the manipulation of dead celebrities, here’s the article I wrote about holograms for the Atlantic (n.b.: I did not come up with that title for the piece!):

https://www.theatlantic.com/science/archive/2016/08/help-us-tupac-youre-our-only-hope/497435/

See also the more recent work by Rashad Timmons at on the reanimation of black bodies as spectacle.