who apparently record add lot of them. we'll discuss that when we come back. a bulb of light?!? aha ha ha! a flying machine? impossible! a personal' computer?! ha! smart neighborhoods running on a microgrid. a stadium powered with solar. a hospital that doesn't lose power. amazing. i like it. never gonna happen. ♪now i'm gonna tell my momma♪ ♪that i'm a traveller ♪i'm gonna follow the sun♪ ♪now i'm gonna tell my momma ♪that i'm a traveller transitions™ light under control™