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The results of both experiments revealed that there are large individual differences in how observers perceive distances in outdoor settings. The observers’ judgments were greatly affected by the particular task they were asked to perform. The observers who had shown no evidence of perceptual distortions in experiment 1 (with binocular vision) demonstrated large perceptual distortions in experiment 2 when the task was changed to match distances in depth to frontal distances perpendicular to the observers’ line of sight. Considered as a whole, the results indicate that there is no single relationship between physical and perceived space that is consistent with observers’ judgments of distances in ordinary outdoor contexts.
post by Chadwickus
Just a heads up for the chemtrailers here. A new thread that needs your attention:
Aluminum is the most abundant metal in the earth's crust. It makes up about 7% of the mass (essentially the weight) of the earths crust. If you apply this number to an acre of soil 6 2/3 inches deep (2 million pounds of soil), that 7% "Total Al" would equal about 140,000 lb Al/acre or 70,000 ppm. Those of us involved in producing plants, whether those plants are agricultural, turf, or ornamental, should understand how Al can affect these plants.
Originally posted by Phage
When you are talking about contrails it gets more complicated though because you're not just talking about the condensation of water vapor, you're talking about the formation of ice crystals and your talking about the very hot water vapor coming out of the engine and how it responds when it suddenly cools. Yes, persistent contrails take specific conditions to form but those conditions are not rare. It mostly requires low temperatures. Humidity is important as well but if it is cold enough, persistent contrails can even form in 0% humidity,
So then why is it ALL the chemtrails I see here are during warm days when there are NO CLOUDS.
A national panel of scientists reported Wednesday that high levels of naturally occurring fluoride in drinking water are leaving children in some communities at risk of tooth enamel damage and adults prone to weakened bones that could lead to fractures.
The scientists unanimously recommended that the federal limit on fluoride in drinking water be lowered to protect people in communities where high levels leach into the water from natural sources, such as rocks or soil.