“I looked for it [heavy hydrogen, deuterium] because I thought it should exist. I didn't know it would have industrial applications or be the basic for the most powerful weapon ever known [the nuclear bomb] ... I thought maybe my… — Harold Urey Copy Share Image
![“I looked for it [heavy hydrogen, deuterium] because I thought it should exist. I didn't know it would have industrial applications or be the basic for the most powerful weapon ever known [the nuclear bomb] ... I thought maybe my discovery might have the practical value of, say, neon in neon signs…” quote by Harold Urey](https://sms4smile.com/quotes/img-quotes/2b4/harold-urey-42546_chemistry_i-looked-for-it-heavy-hydrogen-deuterium_2368902.jpg)