α» DieGrenzen edit** « wiki αt10xxxxx

https://www.facebook.com/siggi.becker/posts/595413127142629 https://www.youtube.com/watch?v=JHNYxiZDNxA MaxPlanck CaryHuang NikolaiKardashev FreemanDyson EnricoFermi JohnDavidBarrow JohnSmart ClementVidal