How It Works: Science and Technology - Vol. 13

How It Works: Science and Technology - Vol. 13

How It Works: Science and Technology - Vol. 13

How It Works: Science and Technology - Vol. 13

Excerpt

Physiology 1733

Piano 1735

Pickup, Acoustic 1739

Picture Restoration 1741

Piezoelectric Material 1744

Pile Driver 1746

Pilotless Aircraft 1747

Pipe and Tube Manufacture 1749

Pipeline 1753

Planetarium Projector 1755

Planetary Science 1757

Plasma Physics 1762

Plastic Surgery 1764

Plastics 1768

Plastics Processing 1773

Plate Tectonics 1777

Platinum Metals 1781

Plumbing 1784

Pneumatic Tool 1788

Poison 1790

Polari meter 1793

Polarization 1794

Pollution Monitoring and Control 1797

Polyamide 1804

Polygraph 1807

Polymer and Polymerization 1809

Polytetrafluoroethylene (Teflon) 1814

Population 1816

Potential Energy 1820

Potentiometer 1821

Powder Coating 1823

Power 1825

Power Plant 1827

Power Supply 1833

Pressure 1839

Pressure Cooker 1841

Pressure Gauge 1842

Printed Circuit 1844

Printing 1847

Prism 1853

Projector, Movie and Slide 1854

Propeller 1858

Protective Clothing 1860

Protein 1864

Psychiatry 1867

Pulley 1869

Pyramid 1870

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