All the makings of a real web site, plus my stuff.
Calculating Floor Vibration Frequency
Resonance (by Randall Munroe aka xkcd). I love xkcd and this one is great. I calculate floor vibration frequencies all the time! (This comic reproduced under a Creative Commons A‑NC 2.5 License)
By Jason Coleman
Structural engineer and technical content manager Bentley Systems by day. Geeky father and husband all the rest of time.