MAKING GOLD NANO-PARTICLES www.youtube.com/watch?v=1vr4OKlGwPA Gold Nanoparticles - Easy Method! www.youtube.com/watch?v=fVMorHYgO30 NANOTECHNOLOGY Demonstration - Ruby Red Colloidal Gold www.youtube.com/watch?v=VuLJlT5UDaI Making Ruby Red Gold Nanoparticles, from start to finish! www.youtube.com/watch?v=GXZ3DS1V0lI Tiny Treasure: The Future of Nano-Gold www.youtube.com/watch?v=QorK2X7GsVU