Monthly Archives: January 2014
A vertical shaft of light extending above a setting or rising sun is called a sun pillar. You could have seen this optical phenomenon if you were looking at the sunset on Jan. 18.
While sun pillars look like vertical beams of light projected above the sun, they are actually a collection of reflections of millions of ice crystals floating in the atmosphere. Continue reading
On the cold and windy days of last week, you probably tried to keep yourself warm by wearing appropriate clothing and seeking shelter from the wind.
It feels colder in the wind because the wind sweeps away heated air in contact with your body and replaces it with colder air. Continue reading