spaceblogger writes: This week, an enormous cloud of volcanic ash is sweeping over Northern Europe, grounding aeroplanes and bringing the jet-setters to a standstill. But what about satellite communications? Could the dust in the atmosphere affect the control of space missions, your Sky receiver or GPS?
I've never been canoeing before, but I imagine there must be just a few
simple heuristics you have to remember...
Yes, don't fall out, and don't hit rocks.