| Some scientific breakthroughs, like Edison's invention of the light bulb, are purposeful and planned. |
| Like all caricatures, this book overstates its case about the contribution of pure chance to scientific breakthroughs. |
| True historical breakthroughs, in which the defender is shocked into inaction or headlong flight, are almost impossible to achieve. |
| Those breakthroughs alone would mean a virtually universally connected world. |
| One of Penrose's major breakthroughs was his introduction of twistor theory in an attempt to unite relativity and quantum theory. |
| Even before the breakthroughs that made long-distance fiber optics practical, aerospace engineers were trying to use photonic systems. |
