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Full Description
How do you crack nuts with a piece of string? Reverse gravity? Cobble together a clock out of a coffee cup, a soda bottle, and some water? Use a vacuum cleaner and nineteenth-century railroad technology to fashion a makeshift bazooka that can launch paper projectiles? Create a rainbow in a block of Jello? This is a one-volume romp through a whole array of counterintuitive science experiments that require little more than common household items and a sense of curiosity. Prepare to have your surprise sensors on overload as Neil Downie stretches math, physics, and chemistry to do what they have never done before. This book describes twenty-nine unusual but practical experiments, detailing how they are done and the math and physics behind them. It will delight both casual and inveterate tinkerers. Of varying levels of complexity, the experiments are grouped in sections covering a wide field of physics and the borders of chemistry, ranging from dynamic mechanics ("Kinetic Curiosities") to electricity ("Antediluvian Electronics") and combustion ("Infernal Inventions").
The chapters are titillatingly titled, from "Twisted Sinews" and "Mole Radio" to "A Symphony of Siphons" and "Tornado Transistor." More-detailed explanations, along with simple mathematical models using high-school level math, are given in boxes accompanying each experiment. Armchair scientists will welcome this edifying and entertaining alternative to idleness, not least for the buoyant prose, enriched by historical and literary anecdotes introducing each topic. With this book in hand, tinkerers, whether dabblers in science or devotees, students or teachers, need never again wonder how to impress friends, the judges at the science fair, and, not least, themselves.
Contents
Contents in Detail vii Project Ratings xi Preface xiii KINETIC CURIOSITIES 1. Hovering Rings 3 2. Dynabrolly 14 3. Gravity Reversal 21 4. Maypole Drill 28 5. Rotarope 33 STRONG STRING THINGS 6. String Nutcracker 45 7. Twisted Sinews 51 STRONG NOTHING 8. Vacuum Muscles 61 9. Vacuum Bazooka 70 SOUNDS PECULIAR 10. String Radio 83 11. Mole Radio 93 12. Bat Doppler 102 TRANSMISSIONS WITH OMISSIONS 13. Toothless Gearwheels 113 14. Flying Pulleys 121 CLOCKS WITHOUT CUCKOOS OR QUARTZ 15. The Crank and the Pendulum 127 16. A Symphony of Siphons 134 17. Bernoulli's Clock 142 CURIOUS CONVEYANCES 18. Dougall or U'brocraft 151 19. Follow That Sunbeam 157 20 Duohelicon 167 21. Fishy Boat 174 22. Rotarudder 182 23. Cable Yacht 190 ANTEDILUVIAN ELECTRONICS 24. Beard Amplifier 199 25. Tornado Transistor 207 ELECTRIC WATER 26. Meltdown Alarm 215 27. Electric Rainbow jelly 222 INFERNAL INVENTIONS 28. Binary Match 229 29. Ultimate Bunsen Burner 234 Useful Materials and Components 241 A Reminder about Units 245 Bibliography 247 Index 251
