منابع مشابه
Mountain Village at Sunset.
During my travels to numerous countries over 40 years, I have seen many picturesque mountain villages with elegant and well-preserved houses perched on carefully selected sites on the mountains, and others located by a river or lake at the foot of a mountain. They appear remarkably harmonious with the natural scenery. Fruit trees or tea trees and crops such as rice, wheat, and corn are planted ...
متن کاملShadows.
We investigate the brightness distribution in and around outdoor shadows (for a variety of sky conditions) using modeling and field measurements. The dominant factor influencing the brightness of a shadow is the solid angle subtended by the object blocking the Sun. Occulters at the zenith that subtend a small solid angle cast shadows that are bright and possess a nearly uniform brightness acros...
متن کاملShadows.
It is almost 160 years since Dr James McDonnell delivered an address to the students entering the Belfast General Hospital. Since that time it has fallen upon a member of this staff to welcome those students who have commenced their first year in the clinical branches of medicine. This year it is my privilege and honour to address and welcome you on behalf of the medical and dental staff of thi...
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ژورنال
عنوان ژورنال: Nature
سال: 1882
ISSN: 0028-0836,1476-4687
DOI: 10.1038/027102d0