4 Results for physics

Since time immemorial, through different cultures and whenever they occur, there have been many beliefs about the northern lights. The Inuit around Hudson Bay had the following explanation of what they saw: The sky is a huge dome of hard material arched over the flat earth. On the outside there is...
Nicholas Copernicus was never supposed to be a revolutionary in the field of revolutions. This Polish merchant's son, groomed to be a church canon, was not the sort of man to be running around changing the world; he was not even published until near his death, in 1543. Copernicus had been pre...
Global Warming Human kind has entered a brand new relationship with the earth. The constant and increasing pressures we are exerting threaten our planets ability to sustain life itself. Change-in the way we think , and in the way we live-is need...
Global Warming Human kind has entered a brand new relationship with the earth. The constant and increasing pressures we are exerting threaten our planets ability to sustain life itself. Change-in the way we think , and in the way we live-is needed now. Global warming is the most urgent envi...