Scientific American - USA (2019-12)

December 2019, ScientificAmerican.com 79 Zeynep Tufekci is an associate professor at the University of North Carolina School of ...

80 Scientific American, December 2019 Illustration by Matt Collins ANTI GRAVITY THE ONGOING SEARCH FOR FUNDAMENTAL FARCES Steve ...

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December 2019, ScientificAmerican.com 81 50, 100 & 150 YEARS AGO INNOVATION AND DISCOVERY AS CHRONICLED IN Scientific Americ ...

2 ,^000 M pc^ (^6.^5 billion^ light-years) 4 ,^000 megapa rsecs^ (Mpc ) from^ E arth 0 Days 50 100 150 200 Jan. 2016 Aug. 2017 S ...

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