This unit consists of a variety of materials that explain the shape of the Earth and how it is measured. There is a set of 'proofs' that the Earth is round, an account of how Greek geographer and mathematician...

This is an English translation of the 1905 article by Albert Einstein that establishes the relation between the mass and energy of a particle. The article was published in the book The Principle of Relativity and...

Under the banner of "A clear voice for science", the radio program "Earth & Sky" has been on the air since 1991. On this site, visitors can listen to the program, which has answered such questions as "How slow does the...

Earthquake prediction has never been an exact science or an easy job. In 1923, the debate between two Japanese seismologists, Akitune Imamura, and his superior at the University of Tokyo, Professor Omori, over whether a...

This website on Engineering Case Studies has been developed by Geza Kardos from the Department of Mechanical and Aerospace Engineering and Neal Holtz from the Department of Civil and Environmental Engineering at Carleton...