One step closer… from blockchains to stress-energy tensors

LIGO - Hanford, WA with Rattlesnake Mountain to the left. Photo courtesy: USDOE. FROM BLOCKCHAINS TO STRESS-ENERGY TENSORS Blockchains are the perfect set of "test particles" for General Relativity.  That is, in locally accelerated frames of reference, traveling roughly in the same direction.  It is, as a group, a relatively small series of "points" with little …

王贞仪 老师 Wáng Zhēnyí Laoshí 王貞儀 老师 – Our Logo/Avatar remembered for #COP25 in Madrid, España

The question has been raised, "why on earth is your logo/avatar a Chinese girl?"  The owner of the coffee shop across the street from where I am typing, for example, thinks it's "just weird."  Not knowing science nor the role she played in our understanding of lunar eclipses for example, it is hard to dispute …