Department of Mechanical Engineering | Johns Hopkins - Mechanical Engineering

Top 12

What is the Top 12?

The “Top 12” are pages for various Mechanical Engineering communities that address items which are most often asked. These are resource pages to guide our department’s current members on Mechanical Engineering’s persistent questions.

The Top 12 pages

Visit these pages for your group!

Undergraduate Students
Graduate Students
Faculty
Postdocs
Staff

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What would you like to see here? What questions do you and your classmates or colleagues ask often? Send your ideas to co-webmaster Mike Bernard.

New method can pinpoint cracks in metal long before they cause catastrophes

In a paper published in Science, Johns Hopkins University researchers detail a new method for testing metals at a microscopic scale that allows them to rapidly inflict repetitive loads on materials while recording how ensuing damage evolves into cracks.