[Vision2020] Another Photo of Main Street Moscow

[Kenneth Marcy]

On Tuesday 23 June 2009 16:39:55 Carl Westberg wrote:
> Actually, bearing in mind the angle between the sun and the vertical, the
> zenith angle, and that the elevation angle of the sun is 90 degrees minus
> the zenith angle, taking into account that the cosine of the zenith angle
> is found as the vector dot product of the unit normal (vertical), with the
> unit vector in the direction of the sun, the picture was taken on July 2nd,
> 1952 at 1:17 p.m.  More or less.

It's sad to think that the university math department is laying off personnel, 
and thus no surprise to think that the younger generation may continue to be 
less well-educated than their elders. This is no way to run an economy or a 
world-competitive country.


Ken