Electron, 308
Electron volt, 100
Electrostatic units, 19
Electroweak theory, 252
Elementary charge (e), 90
Emmetropia, 204
Epicenter, 65
Equilibrium position, 39
Equipotential surface, 99
Eye
compound, 204
human, 202
trilobite, 204
Farad, 122
Faraday’s law, 161
Farsightedness, 204
Fermat’s principle, 194
Fermion, 308
Ferromagnetism, 156
Field-programmable gate array (FPGA), 132
Flat, 82
FM radio, 178
Focal length
lens, 196
mirror, 189
Focus, 189, 196
Foot, 15
Foot-candle, 213
Forced oscillations, 49
Fountain effect, 248
Fourth, 285
FPGA,seeField programmable gate array
Franklin, Benjamin, 90
Frequency, 43
Frequency modulation, 178
Fresnel lens, 199
Gadget Factory, 132
Galena, 183
Gamma rays, 177
Gauss, 137
Gauss’s law, 96, 122, 161
for magnetism, 139, 161
Gaussian units, 19
Geophysics, 12
Grad, 17, 285
Grand Unified Theory, 252
Grave(f.n.),18
Gravitational force, 252
Graviton, 252
Ground, 99, 111
Gyrofrequency, 143
Gyroradius, 143
HackerBoxes, 132
Hadron, 251, 308
Half step, 81
Hall effect, 144
Hall emf, 145
Heaviside-Lorentz units, 19
Helium, 72
Helium II, 248
Henry, 164
Higgs
boson, 253
field, 253
Higgs boson, 308
Hooke’s law, 39, 54, 110
Hubble constant, 78
Hubble’s law, 78
Hyperopia, 204
Hysteresis, 156, 157
Iceland spar, 227
Illuminance, 212
IMAGE, 303
Image distance, 189, 196
Image height, 189, 196
Impact parameter, 237
Impedance, 173
Imperial units, 14
Incidence, angle of, 188
Index of refraction, 194, 224
Inductance, 164
Infinitesimal numbers, 25
Infrared light, 177
Infrasound, 74
Insulator, 92
Integral, 29
double, 34
Integrand, 29
Interference, 61
constructive, 62
destructive, 62
International Prototype Kilogram (IPK), 15
Inverted image, 191, 197
Ionosphere, 180
Isogonic chart, 147
Isotropic, 64, 212