We'll leave it up to you to decide just how viable their technologies and vehicles are. (treehugger.com)
While there appears to be no major obstacle to plant growth in space, large - scale tests for food production in reduced gravity are still lacking, and a number of viable technologies for space agriculture need to be developed. (sciencedaily.com)
In our book, The Immigration Exodus, we documented a number of cases where smart immigrants with viable technology businesses were rebuffed by the U.S. Customs and Immigration Service. (inc.com)