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Version française du site EH2R ici. Refraction of sun light due to cold dense polar air under warmer thermal layers causes an increase in brightness almost unknown within present physics literature. Global Warming may be seen by studying simple satellite picture archives. Low on the horizon polar sunsets have sun disks compressed into a line. Thermal Inversions cause equally an increase in brightness during twilight. S Y van der Werf, G.

I am an engineer by day and a budding amateur photographer by night or whenever the opportunity arises. My interest in photography started during my undergrad university days after the purchase of my first film-based SLR.

A Drinking Club With a Running Problem. The 2018 Red Dress Run. Red Dress Run registration is open. Registration for the 2018 Red Dress Run is now open.