Read For the Love of Physics Online
Authors: Walter Lewin
Tags: #Biography & Autobiography, #Science & Technology, #Science, #General, #Physics, #Astrophysics, #Essays
discovery of X-ray flux from,
213
–16
Shklovsky model and,
239
–40,
243
Shanghai Maglev Train,
164
Shapley, Harlow,
33
Shift
(Struycken),
266
Shklovsky, Joseph,
239
–40,
243
,
253
short circuits,
142
–43
silicon,
219
Sirius,
31
A,
236
B,
236
–37,
241
sitar,
115
skin effect,
145
–46
Skylab,
24
Sloan Digital Sky Survey (SDSS),
5
,
108
Slumdog Millionaire
(film),
141
small-angle approximation,
53
Small Magellanic Cloud (SMC),
32
,
33
snorkels, snorkeling,
67
–70
sodium iodide crystals,
207
solar eclipse,
79
solar energy,
181
–82
auroras and,
153
–54
“Some of Walter Lewin’s Best Lines” (video),
xii
sound, sound waves,
92
amplitude of,
104
–6
from big bang,
107
,
108
–9
from black hole,
108
frequency of,
104
,
105
–6
fundamental character of,
104
intensity of,
105
pitch and,
105
plasma and,
107
–8
resonance and,
see
resonance
in space,
107
–9
speed of,
103
–4,
105
wavelength of,
104
–5
southern cross,
213
southern lights (aurora australis),
153
–54
sound waves in,
107
–9
X-rays detected in,
17
–18,
187
–88,
199
,
200
–201
Space Research Institute, Soviet,
253
spacetime,
269
gravity and,
226
–27
spaghettification,
233
–34
sparks,
206
–7
electrons and,
138
lightning and,
138
–41
noise of,
139
special relativity, theory of,
19
,
269
spectrum:
absorption lines of,
237
–39
of black bodies,
250
standard atmosphere,
61
standard candles,
34
star clusters,
51
Starry Night
(van Gogh),
267
binary,
51
,
235
brightness and luminosity of,
32
–33
core pressure of,
218
energy generated by,
218
gravity generated by,
218
heat of,
218
–19
measuring distance of,
see
stellar distances, measurement of
nuclear fusion in,
218
as standard candle,
34
white dwarf,
230
,
241
,
244
,
245
see also
Cepheid variables;
specific stars
static electricity,
125
–28
Stein, Leo,
267
–68
stellar distances, measurement of:
Cepheid variables and,
32
–34,
36
Doppler effect and,
34
–35
evolution of astronomy and,
27
–28
expansion of the universe and,
34
–35
Hubble’s constant and,
35
–36
parallax and,
28
–31,
34
,
36
standard candles and,
34
systematic error and,
31
stellar-mass black holes,
234
stellar rotation,
220
Stieber, Nancy,
xiii
Stradivarius family,
114
straws,
63
–66
stringed instruments,
111
–15
color (timbre) of,
112
harmonics and,
114
–15
loudness of,
112
–13
overtones and,
112
resonanace frequency and,
11
–13
sympathetic strings and,
115
string theory,
22
–23
resonance and,
116
–17
strong nuclear force,
9
,
18
,
36
,
167
Struycken, Peter,
264
–67
Stukeley, William,
49
submarines,
70
–71
core temperature of,
218
Earth’s distance from,
181
,
281
–82
energy radiated by,
192
,
218
magnetic field of,
153
mass of,
279
solar flares of,
154
X-ray radiation from,
192
–93,
194
sunglasses,
91
–92
Sunyaev, Rashid,
253
superconductors,
163
Supernova 1987A,
222
–23
core-collapse,
see
core-collapse supernova
X-rays from,
223
superstring theory,
22
Swank, Jean,
251
synchrotron radiation,
192
systemic error,
31
Tacoma Narrows Bridge,
123
Taurus (constellation),
196
Tau X-1 (X-ray source),
196
IceCube,
190
neutrino,
190
radio,
187
in X-ray ballooning,
204
,
206
–8,
209
–11
Tellefson, Christiane,
258
theory of everything,
22
,
116
,
167
thermal neutrinos,
221
Third Small Astronomy Satellite (SAS-3),
248
–49,
253
,
254
,
256
,
258
,
259
Thorne, Kip,
242
Thorsos, Terry,
214
Three Mile Island,
185
timbre (color),
112
torque,
157
–58
reversal of,
159
Torricelli, Evangelista,
66
–67
trees,
72
–73
triboelectric series,
127
,
132
,
135
,
140
tropopause,
204
trumpet,
112
tuba,
121
tungsten,
151
tuning fork,
104
amplitude and frequency of,
106
frequency of,
106
,
109
–10
harmonics and,
115
–16