INDEX 629
Heat
conduction,
183-184,
191,
461,
471-
475, 477n,
514, 514n, 532,
534,
545n;
of
gases, 186
(see
also
Radiation);
model
of,
532;
and
quantum hypothesis,
477n;
and
temperature,
477n
Heat radiation, 259-260,
268n, 503, 504n,
522;
and
equipartition
theorem, 268n, 505n;
vs.
luminescence,
503
Heller, Sigismund,
[580]
Helmholtz, Hermann
von
(1821-1894),
116,
128n
Herglotz,
Gustav
(1881-1953),
478
Hertz,
Heinrich (1857-1894),
133,
400n. See
also
Electromagnetic
waves
Hertz,
Paul
(1881-1940), 314-315,
315n;
let-
ter from
AE,
315n
Herzog,
Albin (1852-1909), 5
Hettner,
Gerhard (1892-1968), 600
Heuristics, AE's,
xxvii, 178n, 423n,
488
Hodograph, 14,
126n
Hollnagel, H., 413n,
445n
Homogeneity,
of
time and
space,
157,
166
Hopf, Ludwig
(1884-1939),
xx, xxvi, 178n,
259-267,
268n,
270-280,
281n-282n,
416,
418n,
505n, [574],
[576], [580];
letters from
AE, 268n,
416,
418n,
545n-546n;
letter
to
AE,
281n
Hupka,
Erich (1884-1919),
experiments
of,
173
Huygens's principle,
494
Hydrodynamics,
6
Hypotheses:
ad hoc,
443; counterfactual, 528,
545n, 556;
working,
458n. See
also
Theory
Hysteresis, 223,
226, 351,
375
Ideal
gas, 179,
204-205, 212-213, 521-524;
equation,
242n;
mixtures, 307; pressure of,
180. See
also
Heat conduction
Ignatowsky,
Waldemar
von
(1875-1923), 478
Induction, 122, 255; electric, 369;
law
(Fara-
day's), 370; mutual,
377. See
also
Electro-
dynamics; Self-induction;
Specific
inductivity
Inertia: moments
of, 70-72;
principal axes of,
72,
81-82,
101, 103,
105. See
also
Equiva-
lence
principle;
Mass
Inertial
ellipsoid,
72,
107
Infrared:
absorption, 504n, 542, 547n-548n;
proper
frequency, 526,
529
Insulators, 341, 344,
471-475,
476n-477n;
thermal
properties of,
473,
514,
529
Interaction:
between
electron and
an
atom,
514n;
between
molecules,
403,
410, 420,
461,
507n;
of
oscillator with radiation
field,
270-271,
476n, 507;
between
permanent
magnets
and
current, 375; range
of, 414n;
thermal, 538, 542;
of
two circuits,
376
Interference
of
light,
xviii,
131, 134,
426-428,
537, 547n, 557,
[574];
fluctuations
and,
178n
Invariance
properties,
442, 447. See
also
Con-
servation, laws;
Symmetry
Invariants,
adiabatic,
562n. See
also
Velocity
of
light
Irreversibility,
236, 246n,
288-289,
314, 550;
apparent,
289;
Boltzmanns
principle
and,
xx–
vii. See
also
Entropy; Ergodic hypothesis;
Statistical
mechanics;
Thermodynamics,
second law
of
Isotropy,
of
space,
429
Jeans,
James
Hopwood
(1877-1946), 250,
253n, 280, 476n,
506n. See
also
Rayleigh-
Jeans law
Julius, Willem Henri
(1860-1925):
correspon-
dence with
AE, xxix, 497n;
letters from
AE,
xxix,
284,
509n;
letter from
Kamerlingh
On-
nes, Heike,
283-284
Kamerlingh
Onnes,
Heike
(1853-1926),
283,
501, 504n, 513n, 548n, 558, 562n;
letter
from
AE,
283, 311n,
454n;
letter
to Julius,
Willem
Henri,
283-284
Karl-Ferdinands Universität. See
Prague,
Ger-
man University
Karlsruhe, 504n,
546n
Karman,
Theodor
von
(1881-1963),
475n
Karr,
[576]
Keesom,
Willem Hendrik
(1876-1956),
283-
284,
508n-509n, 509,
558
Kelvin,
Lord. See
Thomson,
William
Kepler's
laws,
21-22; second
law, 39;
third
law, 24, 37,
126n. See
also
Planets
Kestenberg,
Leo (1882-1962),
[585]
Kinematics,
11-15, 97-100, 144-160,
433-
435, 487.
See
also
Motion
Kinetic
energy,
30, 68, 96, 100, 127n, 287,
457,
523, 540, 559;
of
atoms,
471-472; and
Lagrangian, 514n-515n; maximum,
499-
500; mean,
216-217,
218, 220, 242n, 510;
of
monatomic
gas,
181-182,
212, 329, 508;
of
a particle,
541;
and
potential energy,
510n
(see
also
Virial
theorem);
in
quantum theory,
516;
and
rigid
bodies, 100;
theorem
of
(Satz
von
der
lebendigen
Kraft),
and
work, 30, 33,