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Contents
Foreword by Willie Nelson ix Project 17: Build Your Own Parabolic
Acknowledgments x Dish Concentrator 69
Project 18: Experiment with Fresnel
Lens Concentrators 72
1 Why Solar? 1
2 The Solar Resource 9 9 Solar Pumping 75
Project 19: Build a Solar-Powered
3 Positioning Your Solar Devices 17 Fountain 76
Project 1: Build a Solar-Powered Clock! 20
Project 2: Build Your Own Heliodon 22 10 Solar Photovoltaics 81
Project 3: Experimenting with Light Project 20: Grow Your Own “Silicon”
Rays and Power 25 Crystals 85
Project 21: Build Your Own
4 Solar Heating 27
“Thin-Film” Solar Cell 87
Project 4: Build Your Own Flat Project 22: Experimenting with the
Plate Collector 31 Current–Voltage Characteristics
Project 5: Solar Heat Your Swimming of a Solar Cell 92
Pool 33 Project 23: Experimenting with
Project 6: Useful Circuits for Solar Current–Voltage Characteristics
Heating 35 of Solar Cells in Series 93
5 Solar Cooling 39 Project 24: Experimenting with
Project 7: Solar-Powered Ice-Maker 42 Solar Cells in Parallel 93
Project 25: Experiment with the
6 Solar Cooking 45
“Inverse Square Law” 94
Project 8: Build a Solar Hot Dog Cooker 46
Project 26: Experimenting with
Project 9: Build a Solar Marshmallow
Different Types of
Melter 48
Light Sources 96
Project 10: Cook Eggs on Your Driveway
Project 27: Experimenting with Direct
Using the Sun 49
and Diffuse Radiation 96
Project 11: Build a Solar Cooker 50
Project 28: Measurement of
Project 12: Build a Solar Camping
“Albedo Radiation” 99
Stove 51
7 Solar Stills 55 11 Photochemical Solar Cells 105
Project 13: Build a Window-Sill Project 29: Build Your Own
Demonstration Solar Still 56 Photochemical Solar Cell 107
Project 14: Build a Pit-Type Solar Still 57 12 Solar Engines 113
Project 15: Build a Solar Basin Still 58 Project 30: Build a Solar Bird
8 Solar Collectors 61 Engine 1