The remaining blue light, when mixed with the yellow light, results in white light. New phosphors are being developed to improve color rendering as shown in Figure 5. Figure 5.
How Long Do Parakeets Live? Parakeets tend to live 10 to 14 years, if in good health. Not all will live that long, however, since parakeets can fall ill even with proper care. Improper care can shorten their lifespan to a mere 4 years or less. Consider these parakeet care tips.
They come in all shapes and sizes , down from the little , teeny parakeets that we know as parakeets that are really budgerigars , very common , to cockatiels , slightly larger , Quaker parrots , the one you know as Paulie from the movies , the monk parakeets that fly around actually outside and have lived very successfully outside even in the ...