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8

This isn't exactly an answer (yet), but for comparison, look at this aerial photograph of the damage from a conventional bombing raid over Osaka (Taken from Reports of the United States Strategic Bombing Survey It's not the same location, but the appearance of the craters, their size, the typical spacing between them etc. is very similar to the photograph ...


2

The number of great scientists in a country strongly correlates with periods of vigorous economic development of the nation. Examples: England since 17th century and later. Netherlands in 17th century. France in 18th and early 19th centuries. Japan and US in 20th century. Germany unified (and thus became a nation) in the second part of 19th century and a ...


4

Note: much of this is source from the German Wikipedia, which doesn't have English equivalents for some of the quoted articles. This can be traced even further back to the late 18th and throughout the 19th century, when the German nations (there wasn't a single one yet) considered itself das Land der Dichter und Denker, as literary historian Wolfgang Menzel ...


3

The scientific method is not required. The critical enabling technology was the availability of high quality brass and machine tools and practices to make a perfect bore on the piston. The Newcomen engine had the basic design shown below: As you can see by the engraving on the right, the actual contrivance is much more complicated than the simplified ...



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