| Link | Quote | Stars | Tags | Author |
| afac346 | Scientists and engineers changed the world. | Regina E. Dugan | ||
| b1b65df | 5. Create tension. | Regina E. Dugan |
| Link | Quote | Stars | Tags | Author |
| afac346 | Scientists and engineers changed the world. | Regina E. Dugan | ||
| b1b65df | 5. Create tension. | Regina E. Dugan |