In this video I show you some transparent metal and talk about why metals are usually opaque. The method for supporting the sodium with filter paper was originally performed in this video by Thoisoi2 – Chemical Experiments: https://youtu.be/DJGVZNth68k Shop the Action Lab Science Gear here: https://theactionlab.com/ Checkout my experiment book: https://amzn.to/2Wf07x1 Twitter: https://twitter.com/theactionlabman Facebook: https://www.facebook.com/theactionlabofficial/… Continue reading See-through Metals Actually Exist!