Cover -- Contents -- Preface: Creativity in My Career -- 1 A Theory of Creativity -- 2 The Creative Environment -- 3 Thoughts on the Random Ideas Generator -- 4 Intuition and Odd Notions -- 5 Creativity in Scientific Papers -- 6 Heat and Gravity -- 7 Astronomical Musings -- 8 Rotating Things -- 9 Explosions and Fuses -- 10 Tricks with Optics -- 11 Properties of Materials -- 12 Physical Phenomena I Have Noticed -- 13 Odd Notions I Have Played With -- 14 Literary Information -- 15 Inventions We Need but Don't Have -- 16 A List of Silly Questions -- 17 A Short Guide to Being Creative -- Notes -- Index -- A -- B -- C -- D -- E -- F -- G -- H -- I -- J -- K -- L -- M -- N -- O -- P -- Q -- R -- S -- T -- U -- V -- W -- X -- Y.