If someone handed you an airplane part, could you tell if it was ready to fail at any second? If not, don't feel bad. In most cases, even the engineers can't. That's why they develop testing techniques. One of the latest comes from a team at Brigham Young University led by James E Patterson that uses green lasers to examine metals for signs of damage that would otherwise be invisible to the naked eye.
.. Continue Reading Green lasers find metal faults invisible to the naked eyeCategory: Materials
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