What is the actual difference between light of different colours?
Different coloured lights have different frequencies and amount of energy (wavelengths).
Define the following lighting terms: ambient light, direct light, diffuser, luminosity, energy efficiency, watts.
Ambient: the light surrounding an environment or subject, natural/background light.
Direct Light: Illumination on a subject or area that goes directly from the front of the light source in a straight line to the subject or area.
Diffuser: Generally, something made of diffusion material that softens the quality of the light passing through it to produce a more flattering light with less noticeable shadows.
Luminosity: Luminous quality: The natural brightness of an object. "acrylic colors retain freshness and luminosity".
Energy Efficiency: The state or quality of being efficient: "greater energy efficiency".
Watts: Unit of power, the energy consumption rate of one joule per second
Comment on Global warming
LED lights are using their energy into making more light, rather than heat. This is helping to stop global warming as it is decreasing the increase of temperature of the earth's atmosphere. Halogens and incandescent lights use most of their energy to HEAT the bulb, rather than make brighter light like LED's. The more incandescent globes, fluorescent lights and halogens we replace with LED's, bring the rate of global warming down.
How can the modern home become more energy efficient with regard to lighting?
1. Using natural lighting, more glass windows ect.
2. Installing energy efficient lights, especially in rooms that are used often (bedrooms, living room etc.) and hallways.
3. Installing fittings that are dedicated to energy efficient lamps, LED.
4. Consider the type of light required for that specific home.
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