Recent Examples on the WebAccording to one particularly useful YouTube commenter, the substance is probably titanium tetrachloride. Kyle Mizokami, Popular Mechanics, 5 Oct. 2020 The smoke screen is likely made from titanium tetrachloride, a corrosive liquid that reacts with air moisture. Kyle Mizokami, Popular Mechanics, 5 Oct. 2020 Most forms of radar and infrared sensors can see straight through conventional smoke, though how imaging infrared cameras would perceive a titanium tetrachloride smokescreen is unknown. Kyle Mizokami, Popular Mechanics, 5 Oct. 2020