Popular Mechanics, huhtikuu 1929
That color may be employed indirectrly to increase the strength of some structures is the interesting conclusion suggested by a series of experiments by an English authority. He has found that a certain shade of blue diminishes the effect of the sun's rays on steel and preserves a more even temperature. Since extreme heating and cooling may tend to weaken a structure, under certain conditions, the proper color might insure longer life and greater strength. Physicians long have recognized the importance of the right color in hospitals and sick rooms and in the home, the use of color in decorations being studied more carefully.