Teen innovators: nine young people engineering a better world with creative inventions

Foreword

Introduction

Jack Andraka and his improved cancer test

Gitanjali Rao and Tethys, her lead detection sensor

William Kamkwamba and the windmill

Austen Veseliza and the talking glove

Deepika Kurup and purifying water through sunlight and science

Cristian Arcega, Lorenzo Santillan, Oscar Vasquez, Luis Aranda, and Stinky, their champion robot

Conclusion.