Q: Can you tell me a few things about the wood beam I uncovered while doing a plumbing repair? How is it possible for this beam to carry the load of everything above it? How do I know whether the beam ...

Q. Can you tell me a few things about the wood beam I uncovered while doing a plumbing repair? How is it possible for this beam to carry the load of everything above it? I'm worried it might not be ...

Precisely measuring the parameters of a laser beam is crucial to using it successfully. Allen Cary of Photon Inc describes the range of beam profiling techniques available. Most applications for ...