These Sea Creatures Are Actually Made of Glass Ifeadi C. 00:09 Feed: All Latest, Zero Tech Blog Nineteenth-century glassworkers Leopold and Rudolf Blaschka made very accurate educational aids. Don't feel bad if they fool you. via Zero Tech Blog Share this Share on FacebookTweet on TwitterPlus on Google+ Related PostsRide With the Guy Who Builds Roller Coasters in His YardRazer Blade Stealth Review (2019): Better Graphics and BatteryThe Green New Deal Shows How Grand Climate Politics Can BeGaze Upon the Black Magic of Electrical Discharge MachiningTwitter Still Can't Keep Up With Its Flood of Junk Accounts, Study FindsSurprisingly, Disney Is Happy With EA's 'Star Wars' Games