[10:19] July 16, 2011, at 18:59 UTC...Tuning my Dial on 20m band.....and ops!!! A movile sation is calling CQ (PD2GCM/M) Mr Gerard from EU-038, Terschelling Island....and for some times it´s cooming 5/9+....after the Propagation change and have a stro · 17.07.2011 21:00
[02:28] Video of a fruit illuminated by a femtosecond laser pulse and captured at an effective trillion frames per second. Light moves less than 1 mm per frame. We have built an imaging solution that allows us to visualize propagation of light at an effecti · 12.12.2011 03:32