The Para-Rigger

Spend a few minutes reliving this nightmare.



Chernobyl will remain hazardous for 3000 years (from 1986).

And human error also almost destroyed Arkansas.
http://www.theverge.com/2017/1/10/14232574/command-and-controll-titan-2-damascus-arkansas-nuclear-accident-1980

https://medium.com/@JorgenVeisdal/the-riemann-hypothesis-explained-fa01c1f75d3f#.4333yanqc

A one-page condensation of why RH is important.


For more details, read this book:

http://www.realmofhistory.com/2017/01/06/hagia-sophia-acoustics-recreated-stanford/

Stanford professors at the Center for Computer Research in Music & Acoustics recreate the "divine" acoustics of the Hagia Sophia.

https://www.wired.com/2017/01/lets-tackle-wicked-physics-problem-itll-fun-promise/

http://www.davidrumsey.com/luna/servlet/workspace/handleMediaPlayer?lunaMediaId=RUMSEY~8~1~200375~3001080