New top story on Hacker News: Knots to Narnia – Bill Thurston (1992) [video]

Knots to Narnia – Bill Thurston (1992) [video]
8 by robinhouston | 2 comments on Hacker News.

Regulators Announce Changes to Nursing Home Rating System

By BY KATIE THOMAS, ROBERT GEBELOFF AND JESSICA SILVER-GREENBERG from NYT Health https://ift.tt/pu6fsax
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New top story on Hacker News: Understanding Impedance (2003)

Understanding Impedance (2003)
6 by brudgers | 0 comments on Hacker News.

‘Tragedies are outpacing life’: In a video address at Davos, Zelensky mourns the dead and pleads for help.

By BY MATTHEW MPOKE BIGG from NYT World https://ift.tt/c20Infi
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New top story on Hacker News: Current and future role of Haber–Bosch ammonia in a carbon-free energy env(2020)

Current and future role of Haber–Bosch ammonia in a carbon-free energy env(2020)
13 by rntn | 8 comments on Hacker News.