Featured photo courtesy of Life Mental Health.
The sun’s radiation that hits Earth’s surface was covered over the last post, where I discussed how the depletion of the ozone layer at most high-population latitudes is misunderstood and overblown, and that global dimming has actually reduced the amount of sunlight the surface is receiving on average. Continue reading Sunlight Series: Part 7 – Vitamin D, The Sunshine Vitamin
Featured photo courtesy of Nasa Goddard Space Flight Centre.
Earlier in the Sunlight Series I wrote about electromagnetic energy being radiated by the sun, and how it’s mostly infrared, visible light,and ultraviolet (UV) radiation. Continue reading Sunlight Series: Part 6 – Ozone Depletion vs Global Dimming
Featured image courtesy of NASA’s Marshall Space Flight Center.
I began this series by opining that using sunscreen is a misguided approach to protecting yourself from the sun’s radiation (unless under extreme circumstances), and that we should, in fact, be exposing our bare skin to unfiltered sunlight regularly. By the end of this series (still another few posts), I really hope I will have you convinced! Continue reading Sunlight Series: Part 5 – Solar Irradiance and Earth’s Atmosphere
Featured photo courtesy of Daniel R. Blume.
The past two posts in this series introduced and explained the concepts of electromagnetic radiation, and the Continue reading Sunlight Series: Part 4 – How is Energy Produced in the Sun?
Featured image courtesy of Miriam.
My last post discussed the nature of light, and that our current understanding is that light can be thought of as an electromagnetic wave carrying varying amounts of energy expressed by different wavelengths, or frequencies. Continue reading Sunlight Series: Part 3 – The Electromagnetic Spectrum
Featured photo courtesy of Tamara.
Before a detailed discussion on the effects of sunlight on the body can begin, I believe the reader should be oriented with the concept of ‘light’ itself, which is the intention of this post. I’m not going to explain optics, Continue reading Sunlight Series: Part 2 – Electromagnetic Radiation
