My Stem Day: Technology explains everything about the gadgets and machines you come across in everyday life. Have you ever wondered how a radio works? Or what's inside a light bulb? Or how machines can read barcodes? Technology is one of the four branches of STEM. It is all about making useful devices and finding new ways of doing things. Technology con be simple, like a wheel or a pencil. It can also be, complex, like a supercomputer or on airplane. This book, and the entire MY STEM DAY series, is packed with amazing challenges and do-at-home experiments with easy-to-follow step-by-step instructions for the activities and bite-size text detailing scientific facts and stats. The series is endorsed by a leading STEM educational consultant Technology everywhere! All day long, technology makes our lives easier. The experts who design our gadgets and machines continue to develop new technologies all the time. New technology often starts with a simple idea about how to make a job easier. Teams of scientists, engineers, and designers work together to create a product. It often takes many years of patiently testing, tweaking the design, then testing again.... Think about what you've learned so far. Can you find other examples of technology in your daily life? Do you think you might design the world's next groundbreaking invention? Make sketches of your new idea. The sky's the limit!