This is how a glass dagger rolled in obsidian is made! Katherine Gray is a professional glass blower and made this with ease 🔥 - - - - #science #sciences #scienceart #sciencefacts #edu #educational #education #stem #steam #chemistry #chem #chemicals  #youtube #youtuber #youtubers #video #videos #gameofthrones #got #got8 #season8 #dragon #dragonglass #glass #glassblowing #glassart #glassartist #glassartwork #artglass