The Reader's Digest, Volumen121DeWitt Wallace, Lila Bell Acheson Wallace Reader's Digest Association, 1982 |
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Página 94
... light ripples at a wavelength of 470 nanometers . Midway between , green light ripples at 532 nanome- ters . When these three primary spectrum colors combine in equal amounts , the result is what we per- ceive as white light . When red ...
... light ripples at a wavelength of 470 nanometers . Midway between , green light ripples at 532 nanome- ters . When these three primary spectrum colors combine in equal amounts , the result is what we per- ceive as white light . When red ...
Página 97
... light were least ac- tive ; those under red light were most active . Light and color cause startling changes in many living things . A single flash of red light can alter the biological clocks of algae , and pro- longed exposure to such ...
... light were least ac- tive ; those under red light were most active . Light and color cause startling changes in many living things . A single flash of red light can alter the biological clocks of algae , and pro- longed exposure to such ...
Página 59
DeWitt Wallace, Lila Bell Acheson Wallace. INTRODUCING GE MISER LIGHTS . Light of a 100 watt bulb for only 95 watts NOW YOU CAN HAVE THE LIGHT YOU NEED ... FOR LESS ENERGY . 43168 100477 The French have a word for it . It might. MISER Light ...
DeWitt Wallace, Lila Bell Acheson Wallace. INTRODUCING GE MISER LIGHTS . Light of a 100 watt bulb for only 95 watts NOW YOU CAN HAVE THE LIGHT YOU NEED ... FOR LESS ENERGY . 43168 100477 The French have a word for it . It might. MISER Light ...
Contenido
July 1982 | 49 |
A Special Fourth of July | 57 |
Adams | 98 |
Derechos de autor | |
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