While our screens are brittle, theirs is flexible - at what they say is one tenth the price.
Another came up with a new technique to reengineer concrete at the molecular scale a process they say makes it stronger and uses significantly less energy. The students say their technology could save the equivalent output of 100 nuclear power plants p.a.
Source:
http://www.scientificamerican.com/podcast/episode.cfm?id=cheap-photovoltaics-wins-mit-clean-10-05-12
