Template:Selected anniversaries/July 11: Difference between revisions

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||1927 – Theodore Maiman, American-Canadian physicist and engineer (d. 2007)
||1927 – Theodore Maiman, American-Canadian physicist and engineer (d. 2007)
File:Tullio Regge.jpg|link=Tullio Regge (nonfiction)|1931: Physicist and academic [[Tullio Regge (nonfiction)|Tullio Regge]] born.  He and G. Ponzano will develope a quantum version of Regge calculus in three space-time dimensions now known as the Ponzano-Regge model; this will be the first of a whole series of state sum models for quantum gravity known as spin foam models.


||1934 – Engelbert Zaschka of Germany flies his large human-powered aircraft, the Zaschka Human-Power Aircraft, about 20 meters at Berlin Tempelhof Airport without assisted take-off.
||1934 – Engelbert Zaschka of Germany flies his large human-powered aircraft, the Zaschka Human-Power Aircraft, about 20 meters at Berlin Tempelhof Airport without assisted take-off.

Revision as of 14:06, 21 October 2017