O odkryciach i wynalazkach Odczyt popularny wypowiedziany dnia 23 marca 1873 r.

In this lively 19th‑century lecture, the speaker draws a clear line between discoveries—uncovering what already exists in nature—and inventions, the creation of entirely new devices that nature could not produce on its own. By recounting familiar milestones such as Columbus’s sighting of a previously unknown continent, the invention of gunpowder, and the launch of the first locomotive, the talk makes the abstract concepts feel tangible and relevant. Listeners are invited to see how each breakthrough reshaped everyday life and spurred further progress.

The presentation then shifts to the processes behind these milestones, showing how curiosity, experimentation, and the desire to improve human conditions drive both explorers and engineers. It urges the audience to recognize their own potential role in the ongoing scientific and industrial movement that continues to lift societies forward. The tone remains conversational, encouraging listeners to reflect on the past while feeling inspired to contribute to future advancements.