LEED certified buildings save money and resources and have a positive impact on the health of occupants, while promoting renewable, clean energy. LEED, or Leadership in Energy & Environmental Design, is a green building certification program that recognizes best-in-class building strategies and practices.he key to success is making sure you're using the right tools. LEED v4 is backed by a supporting cast of tools and resources. 1  Discover which LEED v4 rating system applies to your project. 2  Get started.
The Process of Sight. All vision is based on the perception of electromagnetic rays. These rays pass through the cornea in the form of light; the cornea focuses the rays as they enter the eye through the pupil, the black aperture at the front of the eye.
In Space you canât see light, just like you cannot see light here on Earthâ¦ you see its reflection. Not the light itself. Soâ¦ noâ¦ you cannot see light in Space and you canât see stars or our Sun which is why there are ZERO pictures of our star (SOL/SUN) in the visible light spectrum.