Also, NASA has been doing prototyping for this tech since 2007: http://www.nasa.gov/externalflash/sustainability-base/index.html http://www.nasa.gov/externalfla

Also, NASA has been doing prototyping for this tech since 2007: http://www.nasa.gov/externalflash/sustainability-base/index.html http://www.nasa.gov/externalflash/sustainability-base/index....