BBW หนังสือ Universal Knowledge Library: Inventions ISBN: 9788119307166

An invention can be a novel idea a product a method or a composition of all of these It may even be an improvisation on a skill or a existing machine for achieving better results from the first sharp-edged tools to modern weapons from the wheel to the mars rovers from the telephone to the internet amazing inventions have revolutionized the way we live Standing testimony to intelligence and expertise inventions extend the scope and boundaries of human knowledge and capability read on to know more