Length, 6, 160. See Distance Life on other planets, 170 Life-insurance, 300 Lift, man in the, 111 Light, velocity of, 46, 54; emission of, 183, 191, 216 Likeness between relations, 232 Limitations of physical knowledge, 257 Linkage of scientific and familiar worlds, xiii, 88, 156, 239, 249 Location, frames of, 14, 41 Logos, 338 Longest track, law of, 125, 135, 148 Lorentz, H. A., 7 Lowell, P., 174 Luck, rays of, 190 Lumber (in world building), 235, 243 Macroscopic survey, 154, 227, 299, 304 Man, 169, 178 Man-years, 180 Mars, 172 Mass, increase with velocity, 39, 50, 59 Mathematician, 161, 209, 337, 347 Matrix, 208 Matter, 1, 31, 156, 203, 248, 262 Maxwell, J. C., 8, 60, 156, 237 Measures of structure, 234, 268 Mechanical models, 209 Mechanics and Geometry, 137 Mendelian theory, 250 Mental state, 279 Metric, 142, 153 Metrical and non-metrical properties, 275 Michelson-Morley experiment, 5, 11 Microscopic analysis, reaction from, 103 Milky Way, 163 Miller, D. C., 5 Mind and matter, 259, 268, 278; selection by mind, 239, 243, 264 Mind-stuff, 276 Minkowski, H., 34, 53 Mirror, distortion by moving, 11 Models, 198, 209, 344 Molecular bombardment, 113, 131 Momentum, 153, 208, 223, 239, 262 Monomarks, 231 Moon, origin of, 171 Morley, E. W., 5 Motion, law of, 123 Multiplicationist, 86 Multiplicity of space and time frames, 20, 35, 61 Myself, 42, 53 Mysticism, defence of, 323; religious, 338 Nautical Almanac, 150 Nebulae, 165 Nebular observers, 9, 12 Neptune, 49 Neutral stuff, 280 Neutral wedge, 48 New quantum theory, 206 [Pg 359] Newton, 111, 122, 201; quotation from, 111 Newtonian scheme, 4, 18, 125 Non-empty space, 127, 153, 238 Non-Euclidean geometry, 157 Nonsense, problem of, 344 Now-lines, 42, 47, 49, 184 Nucleus of atom, 3 Objectivity of “becoming”, 94; of a picture, 107 Observer, attributes of, 15, 337 Odds, 301, 303 Official scientific attitude, 286, 334 Operator, 208 Orbit jumps of electron, 191, 196, 205, 215, 300, 312 Organisation, 68, 70, 104 Ought, 345 Oxygen and vegetation, 174 ’s and ’s, 208, 223, 327 Pacific Ocean, 171 Particle, 202, 211, 218 Past, relative and absolute, 48 Pedantry, 340, 342 Permanence, 241 Personal aspect of spiritual world, 337 Phoenix complex, 85 Photoelectric effect, 187 Photon, 190 Physical time, 40 Picture and paint, 106 Picture of gravitation, 115, 138, 157 Plan, Nature’s, 27 Planck, M., 185 Plurality of worlds, 169 Pointer readings, 251 Ponderomotive force, 237 Porosity of matter, 1 Potential (gravitational), 261 Potential energy, 213 Potential gradient, 96 Pound sterling, relativity of, 26 Predestination, 293, 303 Predictability of events, 147, 228, 300, 307