Recent content by FainAvis
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How does lime flocculate clay soil
On building sites we often get vehicles stuck in the mud, sometimes because it rained after the vehicle was positioned. Rain water is especially soft and makes some muds very slippery. But a neat trick is to dump lime in the rut. Lime "hardens" water. The vehicle can get better traction.- FainAvis
- Post #4
- Forum: Earth Sciences
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How did human female breasts evolve into such an important sexual organ?
Neoteny. The retention of juvenile features in the adult. Among the first things a newborn mammal seeks is the nipple. At first we humans nuzzle about with our mouth. Later, we become adept at gathering information with our hands. On occasion, I have probed the interest of a female with a gentle...- FainAvis
- Post #8
- Forum: Biology and Medical
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Can Degaussing an HDD Damage It?
And even if you can keep all dust out and not touch the platters with greasy fingers, how are you going to refill the hdd with helium? (Rhetorical question.)- FainAvis
- Post #4
- Forum: Computing and Technology
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Intense sunlight and its effects on contrast in shadows.
See dynamic range in Wikipedia. Moonlight to sunlight is a dynamic range of a billion to one. But can you go from sunlight to moonlight (or a dark room of similar light intensity) and immediately see details? No, because it takes a while to become dark adapted. The photographer using film has...- FainAvis
- Post #7
- Forum: Biology and Medical
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Can a brain be kept alive and functioning outside a body?
My daughter asserts that her mother is the most reasonable person she knows. Since that is not my experience of her I can only conclude that she has undergone a complete brain transplant.- FainAvis
- Post #5
- Forum: Biology and Medical
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Why is /ɚ/ considered a vowel in American English?
As a native English speaker I assert that a continuous vowel undertone is bad diction. That applies to whispering, singing, shouting or normal speech.- FainAvis
- Post #19
- Forum: Art, History, and Linguistics
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Why does it cause problems to be missing an X chromosome
In kangaroos, it seems the paternal X is inactivated. http://www.sciencedirect.com/science/article/pii/S1044578183710145- FainAvis
- Post #8
- Forum: Biology and Medical
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Any contraindications of inhaling pure O2?
In welding school they taught us that sniffing the pure oxygen from the welding oxygen bottle will send you dizzy. However, they also cautioned that it can kill, by suppressing breathing. The reason is that breathing is a response to CO2 concentration. So medical oxygen has a small amount of CO2...- FainAvis
- Post #5
- Forum: Biology and Medical