What happened next transfixed many readers. (Jeffrey Lewis, an arms expert in California, captured and posted the exchange online.) “I can’t find the chemical and physical properties of sarin gas [sic] someone please help me,” the student tweeted. Kaszeta offered his help. He corrected her by noting that Sarin isn’t a gas and that the word should be capitalized. As Lewis later wryly noted, “Dan’s help [met] with a welcome sigh of relief from our beleaguered student.” Actually, it met with a string of expletives.
