Tolerance.ca
Director / Editor: Victor Teboul, Ph.D.
Looking inside ourselves and out at the world
Independent and neutral with regard to all political and religious orientations, Tolerance.ca® aims to promote awareness of the major democratic principles on which tolerance is based.

Space rocks and asteroid dust are pricey, but these aren't the most expensive materials used in science

By Chris Impey, University Distinguished Professor of Astronomy, University of Arizona
Some space rocks you can get for free – if you know how to identify them. Rarer materials cost more, and the asteroid sample NASA just brought back has a high price tag.The Conversation


Read complete article

© The Conversation -
Subscribe to Tolerance.ca


Follow us on ...
Facebook Twitter