Describes various kinds of lasers and their functions in industry, medicine, and art, and explores their special qualities, which will make them even more useful in the future.
The book describes the parts of the human body. It explains parts from simple cells, the building block of life to the complexity of the nervous system. and the brain that control the whole organism.
Why was the invention of the wheel so important? Who invented the flushing toilet? This guide will get your brain buzzing with the full range of different human inventions that have helped to shape…