Demonstration of standing waves on a string. How the standing waves are generated, harmonics and more is explained here.
By James Dann for ck12.org CC-BY-NC-SA
(Update: Sunday, September 10, 2017 @ 9:30 AM EDT (1330 UTC) The Hurricane Watch Net remains at Alert Level 5 – Catastrophic Response Mode. The Net i... Read more
From the International DX Convention in Visalia California comes word that DXer and Tromelin 2014 team leader Sebastien “Seb” Poulenard, F5UFX, is the... Read more