As some of you have heard, the Nobel Prize was given this year
for discoveries in astrophysics. Among the winners is Sir Roger Penrose -
for black holes (here is the summary:
https://www.nobelprize.org/prizes/physics/2020/summary/ )
Here is a photo of him (on the right) that I took 10 years ago, in the
newly built physics institute building with the foyer that has so-called
"Penrose tile" on the floor:
http://42graphy.org/~igor/PHOTOS/Mixed-2010/Penrose_and_Tile_IR_5500.jpg
(More about the Penrose tiling:
http://en.wikipedia.org/wiki/Penrose_tiling )
Igor
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