Everything you need to know about science and.. UA

Traveling through the pages of this useful encyclopedia, younger schoolchildren will learn about important scientific discoveries, the history and prerequisites of the invention of technologies that currently dominate our world. How electricity appeared, when the first camera appeared, who created the telephone, and what means of transportation people use to travel by land, sea, air, and even space. These exciting facts about science and transport will open children to the world of ingenious technical achievements.