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 ...

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. Tim, I’ve never worked with metal joist hangers. How long have joist hangers been around? When I hold one in my hand, I question whether it’s actually strong enough to support all the weight that ...

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 ...