Some time ago I saw an interesting documentary in the TV about nuclear fusion. It was very nice to see and closely related with climate change. As it uses to happen in this program the contents were built around a pre-eminent scientist. In this case the main character was Steven Cowley. He defended convincingly the future of this technology, explained very clearly the basic ideas and some difficulties and recognised without doubt the risk of climate change.
I was a pleasure to watch this program. I only disagree in one aspect, about the solutions to climate change. Of course, Steven was convinced that Fusion was an important part of the solution of energy production for our world, he also considered important an alternative mobility (electric car or similar) and solar power. My doubts arise basically in the first one, I can not deny nuclear fusion could be a wonderful solution for universal, cheap and centralized energy. In fact it is our main energy source as the sun is fuelled in this way and the sun is the source for fossil fuels, hidropower, wind mills, solar,…
But in the same way I doubt about conventional nuclear power, I am not sure of the short or medium term possibilities of this energy source. The expected times are always 20-30 years later and the very expensive projects are fully international (very respectable and positive but also showing a poor confidence in its profitability). It would be wonderful, maybe it will be wonderful sometime, but do we have enough time? In my opinion is wiser to act with easier or closer possible ways and not thinking too much in magic solutions. Because if you buy a house based in a possible but not clear future incredible job, you can loose this big house and the possibility of a modest one.
Anyway, I support employing public money for fusion investigation, but just in case lets act as if were not successful.
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