PATENT info on all three projects. For newcomers. AC unit: Texas A&M http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=7,093,455.PN.&OS=PN/7,093,455&RS=PN/7,093,455 Wind Turbine: U. of Arizona http://www.wipo.int/patentscope/search/en/WO2010065956 Sensor: NYU http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=7,708,944.PN.&OS=PN/7,708,944&RS=PN/7,708,944 GLTA