2 ms·
Don't hold your breath on Helium 3: http://www.thespacereview.com/article/2834/1 http://www.thespacereview.com/article/2834/1
by dTal 10y ago
Don't hold your breath on Helium 3: http://www.thespacereview.com/article/2834/1 http://www.thespacereview.com/article/2834/1