UNIVERSITY PARK, Pa., Aug. 20 -- Pennsylvania State University issued the following news release:
UNIVERSITY PARK, Pa. - Feeling too warm or too cold indoors may depend on more than the thermostat. The spectrum of indoor lighting plays a role in how people perceive temperature, according to research led by scientists at Penn State.
In a study, available in the August issue of the journal Energy and Buildings, researchers found that controlling red and blue wavelengths - two of the bandwidths of electromagnetic radiation that flow through space and are perceived by humans as light - of white light can impact how people experience indoor temperatures. Although the wavelength differences are invisible to the human eyes, they can influence th...