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'Elegant and multi-focal. Glorious!' Simon Garfield 'It will make you look at specs with fresh eyes' New Statesman 'Lively, engaging and admirably wide-ranging' The Times 'Fascinating' Observer The humble pair of glasses might just be one of the world's greatest inventions, allowing millions to see a world that might otherwise appear a blur. And yet how much do many of us really think about these things perched on the ends of our noses? Through the Looking Glasses traces the fascinating story of spectacles: from their inception as primitive visual aids for monkish scribes right through to today's designer eyewear and the augmented reality of Google Glass. There are encounters with ingenious medieval Italian glassmakers, myopic Renaissance rulers and spectacle-makers, as well as the silent movie star Harold Lloyd, the rock'n'roller Buddy Holly and the full-screen figure of Marilyn Monroe. This is a book about vision and the need for humanity to see clearly, and where the impulse to improve our eyesight has led us.
What makes a windup toy get up and go? How does an earbud operate? And why does the line you’re waiting in always seem the slowest? Get middle-schoolers engaged in the fascinating science behind familiar items with More Everyday Engineering. Like Everyday Engineering, this compilation brings together activities based on the “Everyday Engineering” columns from NSTA’s award-winning journal Science Scope. Thirteen hands-on investigations focus on three aspects of engineering: designing and building, reverse engineering to learn how something works, and constructing and testing models. Like the original collection, this book is easy to use. Each investigation is a complete lesson that includes in-depth teacher background information, expected sample data, a materials list, and a student activity sheet for recording results. The activities use simple, inexpensive materials you can find in your science classroom or at a dollar store. Whether you’re a teacher, parent, or enrichment-program leader, go beyond the usual bridge-building and egg-drop activities. Spark curiosity with appealing activities that will help middle schoolers understand that engineering truly is a part of their everyday lives.