A journey through scientific discovery, from stone tools and simple machines to rockets and robots, Science Year by Year traces the key steps in the history of science and is packed full of fascinating science facts for kids.Science Year by Year features stunning illustrated timelines that detail pivotal scientific developments and in-depth studies on revolutionary innovators and inventors. The easy-to-follow timeline information transforms momentous scientific discoveries into manageable chunks of knowledge so you can easily explore the ideas, experiments and technologies that have shaped our daily lives.Using stunning images to reveal snapshots of scientific history, such as the first atomic bomb, and quotes from groundbreaking scientists that add context to their amazing ideas, Science Year by Year is a fantastic resource for children age 9+, parents and teachers.DK was founded in London in 1974 and is now the world leading illustrated reference publisher and a member of the Penguin Random House division of Bertelsmann. DK publishes highly visual, photographic non-fiction for adults and children. DK produces content for consumers in over 100 countries and over 60 languages, with offices in the UK, India, US, Germany, China, Canada, Spain and Australia.DK's aim is to inspire, educate and entertain readers of all ages, and everything DK publishes, whether print or digital, embodies the unique DK design approach. DK brings unrivalled clarity to a wide range of topics, with a unique combination of words and pictures, put together to spectacular effect. We have a reputation for innovation in design for both print and digital products.