Amplifier On News Today

>> harvard scientists recently tested an electric wand able to separate flames from their fuel source. >> this is fascinating. >> i think its really neat. >> dave is here in london to tell us more about it. >> good morning. >> hey, guys. its very cool. imagine waving a wand one day that has an electric fuel and its cutting off the fuel source in this experiment and gets rid of fires. it can one day maybe a substitute for water or for chemicals. if you look at this picture you see on the bottom l...