english: But if we collect it very gently, and we bring it up into the lab and just squeeze it at the base of the stock, it produces this light that propagates from stem to the plume, changing color as it goes, from green to blue.
non_english: Ale ak ho veľmi jemne vezmeme a prinesieme hore do laboratória, a zmačkneme na päte stonky, vytvorí svetlo, ktoré sa šíri z koreňa na špičku, meniac farbu zo zelenej na modrú.