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A video with more than 20 million views on X (formerly Twitter) claims that people in Chile, where devastating fires have raged this month, are now painting their roofs blue to protect themselves ...
A haint blue porch ceiling in the United States. Haint blue is a collection of pale shades of blue-green that are traditionally used to paint porch ceilings in the Southern United States. [1] [2] Hex #D1EAEB is a popular shade of haint blue. The tradition originated with the Gullah in Georgia and South Carolina.
In the summer the farmers whitewash these roofs to cool their plants down. When sunlight falls on a white roof much of it is reflected and passes back through the atmosphere into space. But when sunlight falls on a dark roof most of the light is absorbed and re-radiated as much longer wavelengths, which are absorbed by the atmosphere.
As Texas tries to contain the biggest wildfire in the state’s history, baseless conspiracy theories that first circulated online after other well-known fires are resurfacing.
Here's a breakdown of how and why it all happens. But the science behind a blue sky isn't that easy. For starters, it involves something called the Rayleigh effect, or Rayleigh scattering.
The ancient Greeks classified colors by whether they were light or dark, rather than by their hue. The Greek word for dark blue, kyaneos, could also mean dark green, violet, black or brown. The ancient Greek word for a light blue, glaukos, also could mean light green, grey, or yellow. [17]
Flat layered stone roofs are called argillite (germpanam), on the roof in the much coal produced area; it takes a role of giwa. Giwa is formed in this way. Bluestone (cheongseok) is so smooth as to control raindrops gently. Its system is not different from giwa's. The bluestone is put at the bottom, and then largely different bluestone is put ...
A blue roof is a roof of a building that is designed explicitly to provide initial temporary water storage and then gradual release of stored water, typically rainfall. . Blue roofs are constructed on flat or low sloped roofs in urban communities where flooding is a risk due to a lack of permeable surfaces for water to infiltrate, or seep back into the gr