Rocket scientists agree that we have about reached the limit of our ability to travel in space using chemical rockets. To achieve anything near the speed of light we will need a new energy source and a new propellant. Nuclear fission is not an option.
Modeling for me was not fulfilling. I didn't see the point – although I was able to travel a great deal. I lived in Italy Germany and Spain but I wasn't devoted to it.
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I'm vegan on home base but when I travel to other countries I throw it all into the garbage.