some day in the near future, airplane wings may flex themselves like fish tails, changing shape to modify, lift or drag by themselves. Bridges and telephone poles could
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/getting-smart
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/down-earth
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/pollution-control
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/rickshaws
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/electricity
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/industrial-technology
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/maharashtra