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.AEROPLANE. 1

1.THE FIRST AEROPLANES 1

2.TAKING OFF IN A BOEING 707 3

3.HOVERCRAFT——A FLYING SHIP 6

.AEROSTATICS. 7

4.THE AGE OF AEROSTATICS 7

.AGRICULTURE. 9

5.THE SOIL 9

.AIR. 11

6.PROBLEMS OF SPACE TRAVEL 11

7.THE GASSES IN THE AIR 13

8.ATMOSPHERIC SCIENCES 15

.AIRMAIL. 20

9.THE BEGINNING OF THE AIRMAIL 20

.AIRBUSES. 23

10.FROM POTS AND PANS TO AIRBUSES 23

.AMPERE. 24

11.WHAT IS THE AMPERE? (PART Ⅰ) 24

12.WHAT IS THE AMPERE? (PART Ⅱ) 26

.ANIMALS. 28

13.THE CAMEL 28

14.DINOSAURS——THEIR DISCOVERY AND THEIR WORLD 29

15.THE FRIENDLY DOLPHIN 32

16.THE MECHANISM OF A FISH 36

17.PANDAS 37

18.HOW ANIMALS DEFEND THEMSELVES? 38

19.THE LEOPARD 40

20.THE SPIDER 41

21.SKULL OF APE—MAN——AN IMPORTANT FIND 42

.ATOM. 44

22.ATOMS AND ELEMENTS 44

23.ATOMIC FISSION 46

24.INSIDE THE ATOM(PART Ⅰ) 49

25.INSIDE THE ATOM (PART Ⅱ) 51

26.INSIDE THE ATOM (PART Ⅲ) 53

27.THE ATOM AND ITS NUCLEUS 55

28.THE ATOMIC ENGINE 56

29.ATOMIC-POWER REACTORS 58

30.THE SIZE OF MOLECULES AND ATOMS 59

31.SOMETHING ABOUT ATOMS 61

.BIOLOGY. 63

32.BIOLOGICAL CLOCKS 63

33.YOUR VITALITY CYCLES 65

.BIONICS. 67

34.WHAT S BIONICS? 67

.BIRDS. 69

35.WATCHING BIRDS 69

.CAMERA. 71

36.THE EYE AND THE CAMERA 71

37.PICTURE THIS 72

38.SHOOTING A FILM 73

.CAR. 75

39.THE CAR FACTORY 75

43.HOW AUTOMOBILES WORK (PART Ⅰ) 76

41.HOW AUTOMOBILES WORK(PART Ⅱ) 78

.CHEMISTRY. 81

42.CHEMISTRY AS A NATURAL SCIENCE 81

43.FERMENT 83

44.MOLECULES AND ATOMS&ELEMENTS AND COMPOUNDS 84

45.THE CHEMIST S ALPHABET 86

46.DESCRIBING CHEMICAL CHANGES 87

47.THE CHEMIST BUILDS MOLECULE(PART Ⅰ) 91

48.THE CHEMIST BUILDS MOLECULES(PART Ⅱ) 93

49.THE CHEMIST BUILDS MOLECULES(PART Ⅲ) 95

50.THE CHEMIST BUILDS MOLECULES(PART Ⅳ) 96

51.THE CHEMIST IN THE STEEL MILL(PART Ⅰ) 97

52.THE CHEMIST IN THE STEEL MILL(PART Ⅱ) 99

53.THE CHEMIST IN THE STEEL MILL(PART Ⅲ) 100

54.THE CHEMIST IN THE STEEL MILL(PART Ⅳ) 101

55.NATURAL RADIOACTIVE ELEMENTS 103

56. BREAKING A COMPOUND AND MAKING A COMPOUND 105

57.MAN-MADE OBJECTS 107

58.NYLON 109

59.RADIO ISOTOPES 110

.CIRCUITS. 112

60.FROM PRINTED CIRCUITS TO MICROMINIATURE CIRCUITS 112

.CLIMTATE. 114

61.WEATHER WISE 114

62.CLIMATE AND VEGETATION 115

63.MICROCLIMATES 116

.CLOCK. 118

64.CARBON 14—A NEW-TELLING TOOL 118

65.RADIOCARBON CLOCK INACCURATE 120

.CONDUCTOR. 122

66.SUPERCONDUCTIVITY 122

67.CONDUCTORS AND INSULATORS 124

68.SEMICONDUCTORS 126

.COLOUR. 128

69.BEES AND COLOUR 128

70.THE MARVELS OF COLOUR 130

71.COLOUR MIXING:LIGHTS AND PIGMENTS 132

.COMMUNICATION. 134

72.OPTICAL COMMUNICATIONS 134

.COMPUTERS. 137

73.WHAT ARE COMPUTERS? 137

74.WHAT CAN ELECTRONIC COMPUTERS DO? 141

75.NEW METHODS OF COMPUTATION 143

76.HOW AN ELECTRONIC COMPUTER OPERATES 144

.CONTINENT. 146

77.FLOATING CONTINENTS? 146

.DESERTS. 148

78.DESERTS 148

.DIAMONDS. 149

79.DIAMONDS 149

.DUST. 151

80.DUST 151

.EARTH. 153

81.HOW OLD IS THE EARTH? 153

82.OUR PLANET EARTH 154

83.THE FIRST MAN WHO SCALED THE EARTH 156

84.EARTHQUAKES 158

85.EARTHQUAKE CONTROL 160

.ELECTRICITY. 162

86.ELECTRICAL PHENOMENA 162

87.THE IMPORTANCE OF THE TRANSFORMER 165

88.SWITCHES AND FUSES 167

89.ELECTRICITY FROM INDUCTION 169

90.ELECTROMAGNETIC RADIATION 172

91.THE COMPLETE ELECTROMAGNETIC SPECTRUM(Ⅰ) 174

92.THE COMPLETE ELECTROMAGNETIC SPECTRUM( Ⅱ) 179

93.ONE OF THE LAWS OF ELECTRICITY 181

94.ELECTROMAGNETIC OSCILLATIONS 182

95.ELECTRICITY 185

96.ELECTRIC WIRE 187

97.ELECTRIC CURRENT 189

98.DIRECT AND ALTERNATING CURRENTS 190

99.RESIST ANCE 192

100.RIVERS OF ELECTRONS 193

101.ELECTRONICS AND ITS APPLICATION 195

102.APPLICATION OF THE SILICON CONTROLLED RECTIFIERS 196

103.ELECTRICAL AND ELECTRONIC ENGINEERING IN THE FUTURE 197

.ENERGY. 200

101.ENERGY 200

105.NUCLEAR ENERGY 202

106.BENEFICIAL USES OF NUCLEAR ENERGY 206

107.CENSERVATION OF ENERGY 208

108.ENERGY CONVERSION 209

109.SOLAR ENERGY 211

110.SOURCES OF ENERGY 212

111.SOLAR POWER 213

112.SOLAR ENERGY STOVES 215

113.HOW A NUCLEAR POWER STATION WORKS 216

.ENVIROMENT. 218

114.ENVIROMENT 218

115.HOT WATER,TO GO 220

116.WHICH IS BETTER—TO LIVE IN THE CITY OR IN THE COUNTRY? 221

117.TO CONTROL NOISE 222

118.NOISE AND THE WORKER 224

119.NOISE CONTROL 226

.EQUIPMENT. 228

120.MINIATURIZATION OF EQUIPMENT 228

.EROSION. 230

121.CONTROLING THE TENNESSEE RIVER 230

.EXPANSION. 232

122.EXPANSION AND CONTRACTION 232

.EXPERIMENT. 234

123.AN EXPERIMENT MORE THAN TWENTY—FIVE HUNDRED YEARS OLD 234

.ECLIPSES. 236

124.ECLIPSES 236

.EYESIGHT. 238

125.DALTON S EYESIGHT 238

.FIRE. 241

126.FIRES LONG AGO 241

.FLIGHT. 243

127.SUPERSONIC FLIGHT 243

128.FLYING IN ANY DIRECTION 246

129.FLYING 248

.FOOD. 250

130.DIFFERENT KINDS OF FOODS(PART Ⅰ) 250

131.DIFFERENT KINDS OF FOODS(PART Ⅱ) 251

132.FOOD AND ENERGY 253

133.FOOD PRESERVATION 254

135.FOOD TRANSPOTATION 257

135.FUEL FOR THE HUMAN ENGINE(PART Ⅰ) 259

136.FUEL FOR THE HUMAN ENGINE(PART Ⅱ) 260

137.FUEL FOR THE HUMAN ENGINE(PART Ⅲ) 262

138.FUEL FOR THE HUMAN ENGINE(PART Ⅳ) 263

139.FUEL FOR THE HUMAN ENGINE(PART Ⅴ) 265

140.PROTEIN 267

141.VITAMINS 268

142.WHAT WE EAT AND DRINK 269

.FORCE. 272

143.COHESION AND ADHESION 272

144.FORCES HAVE BOTH MAGNITUDE AND DIRECTION 274

145.FORCE AND MOTION: THE LAW OF INERTIA 276

146.INERTIAL SYSTEMS 278

147.KINDS OF LEVERS 280

.FRICTION. 282

148.LIVING WITHOUT FRICTION 282

.FUEL. 283

149.FUELS 283

150.SMOKLESS FUELS 285

.GAS. 288

151.THE GASES IN THE AIR 288

152.NATURAL GAS 290

.GRAVITATION. 291

153.GRAVITATION 291

154.WEIGHT ON AND OFF THE EARTH 294

.GRAVITY. 295

155.GRAVITY 295

.HEAT. 298

156.WHAT IS HEAT? 298

157.HOW HEAT TRAVELS 302

158.TRANSFER OF HEAT BY CONVECTION, CONDUCTION,AND RADIATION 303

159.MECHANICAL EQUIVALENT OF HEAT 306

.HELICOPTER. 310

160.WHAT HELIOPTERS DO FOR US 310

.HIBERNATION. 312

161.A LONG WINTER S SLEEP 312

.HYDRAULIC. 313

162.POWER TRANSMISSION AND HYDRAULIC PRESS 313

.HYDROSTATICS. 316

163.ARCHIMEDES LAW OF HYDROSTATICS 316

.INSECT. 319

164.ANT 319

165.BEES 321

166.THE LIFE OF A FLY 322

.INTELLIGENCE. 324

167.HUMAN AND ARTIFICIAL INTELLIGENCE 324

.LIFE. 327

168.LIFE IN THE VNIVERSE 327

169.MAN SEARCHES FOR LIFE IN SPACE 328

.LIGHT. 333

170.LIGHT 333

171.THE BENDING OF LIGHT 335

I72.LASER 340

173.A STROKE OF LIGHTNING 342

.MACHINE. 344

174.SOME FAMILIAR OPTICAL INSTRUMENTS 344

175.THE MACHINE AGE 346

.MAGNETISM. 348

176.MAGNETISM IN THE HEALTH SCIENCE 348

177.THE EATH S MAGNETIC FIELD 351

.MATTER. 352

178.MATTER AND CHANGE 352

179.PHYSICAL AND CHEMICAL CHANGES 354

180.SOLIDS,LIQUIDE AND GASES 356

181.LIQUID CRYSTALS 357

182.MOLECULAR THEORY OF MATTER 361

183.MAGNETS 362

184.METEORITES 365

185.MICROMINATURIZATION 366

188.VISCOSITY AND SURFACE TENSION 368

.MATHS. 370

187.THE NEW WORLD OF MATHEMATICS 370

.MEASUREMENT. 372

188.MEASUREMENT—WHY MEASUREMENT? 372

189.MEASUREMENTS 374

190.TEMPERATURE MEASUREMENT 377

.MEDICINE. 379

191.ALCOHOLISM 379

192.ANAESTHETICS 381

193.CANCER 383

194.CELLS 384

195.CHEMICALS THAT CURE (PART Ⅰ) 386

196.CHEMICALS THAT CURE (PART Ⅱ) 388

197.CHEMICALS THAT CURE (PART Ⅲ) 389

198.CHEMICALS THAT CURE (PART Ⅳ) 390

199.COLDS 392

200.DRUG FACTS 394

201.GERMS OF DISEASES AND STERILIZATION (PART Ⅰ) 395

202.GERMS OF DISEASES AND STERILIZATION (PART Ⅱ) 397

203.HEADACHES 399

204.KWASHIORKOR 400

205.MALARIA 404

206.NEURASTHENIA 406

207.VITAMINS 408

208.SLEEP AND DREAMS 409

209.SMOKING AND HEALTH 413

.METAL. 416

210.METALS AND ORES 416

211.METALS AND THEIR USE 418

212.HOT METAL 420

.MONEY. 422

213.MONEY 422

.MOON. 424

214.JOURNEY TO THE MOON 424

215.MOON LIGHT 425

.MOVEMENT. 427

216.FALLING BODIES AND THEIR WEIGHT 427

217.THE EARTH AND THE SUN ARE IN MOTION 429

218.NEWTON S LAWS OF MOTION—THE FIRST LAW OF MOTION 431

.NATURE. 435

219.BALANCE OF NATURE 435

.OBSERVATION. 437

220.SEEING THINGS 437

221.LOOK AND THINK 438

222.THE PATIENT OBSERVER 439

.OCEAN AND SEAS. 441

223.THE SEA 441

224.EXPLORING THE OCEAN S DEPTHS 442

225.HOW EXPLAIN MYSTERIES OF THE SEA 444

226.UNDERWATER EXPLORATION 446

227.SHIPS AND SEARCHES 447

228.MAN IN THE SEA 450

229.DIVERS OF ANCIENT DAYS 453

230.THE FIRST SUBMARINES 454

231.OCEANS 455

232.RICHES OF THE SEA 456

233.WONDERS OF THE DEEP SEA 458

.OIL. 459

234.OIL IN THE EARTH 459

235.PETROLEUM 462

236.NEW TECHNIQUES IN CHEMICAL AND OIL REFINING INDUSTRY 464

237.OIL TOMORROW 465

.OPERATIONS RESEARCH. 467

238.OPERATIONS RESEARCH 467

.PHYSICS. 472

239.PHYSICS——FOUNDATION OE THE PHYSICAL SCIENCE 472

240.THE CLASSICAL BRANCHES OF PHYSICS 474

.PIPELINES. 475

241.PIPELINES 475

.PLANET. 477

242.THE NINE PLANETS 477

.PLASTICS. 480

243.FROM IVORY TO PLASTICS 480

.PLANTS. 482

244.THE USEFULNESS OF PLANTS (PART Ⅰ) 482

245.THE USEFULNESS OF PLANTS (PART Ⅱ) 484

246.THE USEFULNESS OF PLANTS (PART Ⅲ) 485

247.THE USEFULNESS OF PLANTS (PART Ⅳ) 487

248.SUGAR-CANE 489

249.GARDEN FLOWERS 490

250.SOYA BEANS 492

251.PHOTOSYNTHESIS 493

.POLLUTION. 494

252.WASTE AND POLLUTION 494

253.POLLUTION 496

254.NOT A DROP TO DRINK 497

255.WHY POLLUTE OUR PLANET? 498

256.OIL POLLUTION 500

.POPULATION. 501

257.THE WORLD POPULATION 501

.POTTERY. 503

258.POTTERY 503

.QUANTUM THEORY. 506

259.THE WORK OF ALBERT EINSTEIN 506

.RADAR. 511

260.RADAR 511

261.THE USE OF RADAR 515

262.HOW A RADAR SET WORKS 517

.RECORDER. 519

263.MAGNETIC TAPE RECORDING AND REPRODUCTION 519

.RELATIVITY. 522

264.FROM RELATIVITY TO UNCERTAINTY 522

.RIVERS. 527

265.RIVERS 527

.ROBOT. 529

266.MAN OR MACHINE? 529

267.THEY ARE ALL ROBOTS 530

.ROCKET. 531

268.ROCKET 531

269.ROCKETS 533

270.A SHORT STORY ABOUT ROCKET 535

271.STAGED ROCKETS 537

272.HOW ROCKETS OPERATE 538

.RUBBER. 540

273.THE DEVELOPMENT OF RUBBER 540

.SALT. 543

274.SALT 543

.SENSE. 544

275.REMOTE SENSING: FROM IMAGE TO NUMBER 544

.SCIENCE. 547

276.WHAT IS SCIENCE? 547

277.DEVELOPMENT BETWEEN NOW AND THE END OF THE CENTURY 547

278.THE SCIENTIFIC ATTITUDE 549

279.THE METHODS OF SCIENCE 551

280.SCIENCE EDUCATION FOR A NEW AGE 552

.SCIENTIST. 554

281.ALBERT SCHWEITZER 554

282.GALIEO AND THE EXPERIMENT METHOD 556

283.MICHAEL FARADAY 559

284.FARADAY AND HIS GENERATOR 563

285.MADAME CURIE AND RADIUM 565

286.THE WORK OF LOUIS PASTEUR 567

287.JENNER STUDIES SMALLPOX 569

288.THOMAS EDISON S INVENTIONS 571

289.THE DISCOVERER OF X-RAYS 574

290.THE MAN EINSTEIN 576

.SEASON. 578

291.SUMMER AND WINTER 578

.SOUND. 580

292.SOUND AND ITS PROPERTIES 580

293.THE SPEED OF SOUND 583

294.SOUNDS YOU CANNOT HEAR 585

.SPACE. 589

295.ASTRONAUTS 589

296.EATING AND SLEEPING IN SPACE 591

297.COMETS 593

298.FLYING SAUCERS 595

299.SPACE MONKEY 597

300.STARS 600

301.THE SUN 602

302.THE SUN S FAMILY 602

303.STATISTICS: MAKING SENSE OUT OF DATA 604

.SPECTACLES. 606

304.LOOK THROUGH GLASS 606

.TEACHING. 610

305.TEACHING MACHINES AND PROGRAMMED LEARNING 610

.SKETCHING. 611

306.TECHNICALSKETCHING: A UNIVERSAL LANGUAGE 611

.TELESCOPE. 613

307.GALILEO TRIES A NEW INSTRUMENT 613

.TELEVISION. 615

308.TELEVISION 615

.TEMPERATURE. 617

309.TEMPERATURE AND LIFE 617

310.TEMPERATURES AND THERMOMETERS 619

.TIME. 622

311.DAY AND NIGHT 622

.TRANSISTOR. 625

312.THE TRANSISTOR 625

.TRAIN. 631

313.ELECTRIC TRAINS 631

314.DEVELOPING MAGLEV TRAINS 632

.VOLCANO. 635

315.VOLCANOES 635

316.VESUVIUS AND KRAKATOA 638

.WATCH. 639

317.THE ELECTRONIC WATCH 639

.WATER. 640

318.WATER 640

319.WHERE IS WATER? 642

320.NEXT TO OXYGEN 644

321.IRRIGATION 648

322.WATERFALLS 649

.WAVES. 651

323.WAVES 654

324.TYPES OF WAVES 654

325.MICROWAVE OSCILLATORS AND AMPLIFIERS 657

326.PRACTICAL APPLICATIONS OF VITRASONIC WAVES 661

.WEATHER. 664

327.SNOW FORETELLS A BUMPER HARVEST 664

328.SNOW AND HAIL 666

.SNOW. 668

329.BLACK SNOW 668

.XEROGRAPHY. 670

330.THE STORY OF XEROGRAPHY 670