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I hold a PhD on Physics and have experience in non linear systems, chaos and critical transiitions, theoretical ecology, computer methods, medical physics and mathematics. Despite esotic names other Professors like to use I have learned to consider science as a free and honest search for answers for relevant questions. Everything can be explained!
I play popular guitar , Jazz drums and erudite percussion. My Portuguese was well learned.
I feel like I must help people with my experience on all that stuff.
In some subjects I could only give some advices for beginners:
As a diver, my certification is "Advanced Open Water Diver". I'm a skipper and a sailer.

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