ISBN-13: 9781861474018 / Angielski / Twarda / 2015 / 64 str.
ISBN-13: 9781861474018 / Angielski / Twarda / 2015 / 64 str.
This title explores the science that humans have developed to enable them to fly. Find out how a jumbo jet carrying 500 passengers can stay in the air, and how a hummingbird can hover over a flower with pinpoint precision. It includes experiments and inside-view diagrams that explain the mechanics of drag, lift and thrust.