minetest.register_node("womd:radioactive_air", { inventory_image = "unknown_node.png", drawtype = "airlike", paramtype = "none", sunlight_propagates = false, walkable = false, pointable = false, diggable = false, air_equivalent = true, drop = "", damage_per_second = 1, liquid_viscosity = 4, groups = {not_in_creative_inventory=1}, })