20 JUN 2017 by ideonexus
Be Part of Where You Live
What concerns me is how our information networks have enabled us to become hyper-connected to geographically distant communities, while at the same time disconnected from our local ones. Virtual and long-distance relationships can enrich our lives in myriad ways, but I fear that our reliance on them has the potential to erode our physical communities and diminish our sense of place. Wendell Berry once said that “If you don’t know where you are, you don’t know who you are.” Knowing wh...26 FEB 2014 by ideonexus
tokamak
It is called a tokamak—old Soviet shorthand for a more precise and geometrical name, toroidalnaya kamera s aksialnym magnitnym polem, or “toroidal chamber with an axial magnetic field.” Sakharov’s rough sketch depicted a doughnut-shaped vacuum chamber, or torus, ringed with electromagnets, and that is how iter’s core will look, too, once it is completed. In myriad ways, the project is a fragment of the Cold War stranded in the present day. Sakharov had predicted that a reactor base...“toroidal chamber with an axial magnetic field.”