-indium, 187
Trivich, Dan, 150
Tungsten oxide, 385
Turbidity, 272
Linke factor, 272
Turbine, 376
Turbulent flow, 440
Unit cell, 48
United States, 310, 335, 368
Uranium, 5
Vacuum
level, 206
ultra high, 186
Valence band, 21, 52, 173
Vernal equinox, 417, 419
Very-high frequency (VHF), 198
Viscosity, 440
Volta, Alessandro, 10
Voltage
built-in, 90, 92, 101
open circuit, 111–112, 130, 131, 137, 156, 170, 182, 201, 277, 285, 323, 328, 331,
334, 412–413
Voltameter, 383
Wafer bonding, 202
Water, 43, 272, 371
splitting, 306, 382–389
efficiency, 387
photoelectrochemical, 384–389