Humans and our ancestors have been creating tools, art, and everyday objects for millions of years, and each unexpected discovery teaches us something new about the development of our species. Relics ...
Northern Arizona’s San Francisco Volcanic Field is a prominent geological landmark in the Southwest. Comprised of about 1,800 square miles, it is the location of more than 600 volcanic vents in the ...
Welcome to the ME 270 course website for the Spring 2026 term. The material on this site is a complement to the lecture book for the course. And, all material here is accessible without the need to ...
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