...and Other Extraordinary Pop-Up Contraptions: A Speaker - A Spiralgraph - A
Decoder Ring - A Perpetual Calendar - A Musical Instrument This book concisely
explains?and actively demonstrates through six functional pop-up
contraptions?the scientific wonders at play behind seemingly-simple everyday
things. In this unique interactive book, each turn of the page reveals a
different, lo-fi-but-fully-functional paper gadget. Inside its pages live: a
constellation-projecting planetarium, a strummable musical instrument, a
geometric drawing generator, a perpetual calendar, a message encrypter and
decoder, and a speaker that amplifies sound. By reducing familiar gadgets down
to just paper, this book shows that a lot can ? indeed ? be done with very
little. Because each pop-up works (despite exhibiting no apparent technology),
the book enables an intimate, firsthand vantage point on invisible structural
forces at play in our world. To satisfy readers? curiosity about how something
so simple can do so much, the book concisely explains how humble paper taps into
the larger phenomena of light, time, soundwaves, and mathematics in order to
make lo-fi magic.