Man's physical universe

xanabras

830 INDEX

Star {continued)

Sirius, 91-92

size of, 76

speed of, 71, 76

temperature of, 71, 72, 76

twinkling of, 438

tvpes of, 77

variable, 83-84

well known, 75

white dwarfs, 92

States of matter, 206, 219

Static electricity, 484-492

Statistics, 36, 37

Stator, 517

Statvolt, 492

Steam engine, 309-311, 325-326

Steel

Bessemer, 636

crucible, 636

electric, 636

open-hearth, 636

stainless, 637

Stethoscope, 451

Stomach poisons, 752-753

Storage battery, 334-355

Strata, 168-169

Stratosphere, 132

Streamlining, 214

of airplanes, 369

Stringed instruments, 469-470

Stroboscopic effect, 404

Sublimation, 222, 237

Submarine canyons, 153

Substances, 240, 557-558

Substitution, organic, 614-617

Sucrose, 722

Sulfadiazine, 774

Sulfamic acid, 662

Sulfanilamide, 773-776

Sulfapyridine, 774

Sulfarsphenamine, 769

Sulfathiazol, 774

Sulfonamide drugs, 774-776

Sulfur, 187, 624-627, 734

Sulfuric acid, 625-626

Sun, the, 86

a poor clock, 120

chromosphere, 86

corona, 86

effect on comets, 112

source of energy of, 89-90

spectra of, 86

temperature of, 86

Sundial, 121-122

Sunshine recorder, 265

Sunspots, 86-88

Super- or ultra-sonic waves, 455

Supersaturated solution, 242

Surface tension, 215

Suspensoids, 728

S\ mbol, chemical, 560

Synchronous motors, 518

Synthesis, 32, 655

of precious stones, 188

Synthetic rubber, 693, 705-714

Talus slopes, 141

Tantaloy, 630

Tectonic earthquake, 157

Teel, 760

Tektites, 116

Telegraph, 505-506

Telephone, 513

Telescopes, 61-68, 71

Galileo's, 58-59, 61, 64

infrared, 393

reflecting, 64, 65

refracting, 61

Television, 540-542

Temperature

critical, 227

scales, 210, 227

Temporary hardness, 759

Tenite, 670

Tesla coil, 511

Theodolite, 271

Theoryatomic,

563-564

Bohr atomic, 482

defined, 23

Einstein's, 95

electron and magnetism, 482

functions of, 23, 24

kinetic-molecular, 233-239

of electrolytic dissociation, 586-589

of expanding universe, 130-131

of isostasy, 160

of light, electromagnetic, 527-528

of probability, 236

phlogiston, 562

tidal, 128-129

Thermite, 635, 648-649

Thermocouple, 72, 525

Thermodynamics, 293-295

Thermoelectric effect, 525

Thermometers, 210-211, 224

maximum, 264

minimum, 264

Thermos bottle, 284, 293

Thermostats, 224

Thiokol, 711-712

Thrust, 365

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