1-8 of 8 hubssort by Hot Best Latest
86The Greenhouse Effect Explained
By Chef Jeff There is much talk about the greenhouse effect, greenhouse gasses, and global warming/global climate change. I wanted to take a moment to explain as best I can what the greenhouse effect is,...
28 comments
88Earth's Temperature: A Brief History of Recent Changes
Changes in Earth's temperature used to be caused by changes in sunlight, which in turn were caused by irregularities in the Earth's orbit around the Sun. Now, however, temperature changes are caused by changes in atmospheric greenhouse gases released by human activity, primarily the burning of fossil fuels.
8 comments
74Really Cool Roofing
Cool that roof! by rlz Perhaps you have heard of the ‘urban heat island effect’ and how it exacerbates global warming. Let this architect explain the effect and what you can do about it by pursuing...
0 comments
55Solar Heating Solutions
Solar heating...taking the Sun's free energy to heat water for home, swimming pools and spas. Answers your basic questions with plenty of links to more information.
0 comments
73Solar energy - The choice for the future.
The sun is 4.5 billion years old, with a surface temperature of 5,700 degrees celsius.It has a radius of 696,000 km, in comparison to the earth's 6,376 km, and is situated approximately 150 million km away...
5 comments
45How Convection and Radiation Help A Solar Passive Home
Solar passive homes also use convection and radiation physics to keep the house warm or cool according to the needs of the dweller. Heat, like in solids, also circulates in liquids and gases. Warmer fluid...
0 comments
65Greenhouse Effect
Greenhouse effect is the trapping by the earth's atmosphere of heat energy radiated from the sun. The name was taken after the effect in the solar warming observed in greenhouses. About half of the...
1 comment
49Ultraviolet Radiation
The ultraviolet (UV) radiation spectrum is subdivided, for convenience, into three bands: UVA, or "black light," 315 to 400 nm; UVB, 280 to 315 nm; and UVC, which is germicidal, 200 to 280 nm. UV...
0 comments
