Shared from io9The 20 Most Revolting Special Effects Ever Created [NSFW]Charlie Jane Anders and Abhimanyu Das11/27/14 5:00pm23521EditUnshareInvite manuallyPromoteDismissUndismissHideGo to permalinkEver since Star Wars, the special effects industry has taken us to amazing new worlds and recharged our sense of wonder. It's also grossed us the frak out. Exploding heads, severed limbs, strange mutilations... Here are the 20 most disgusting special effects of all time. Warning: NSFW!