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2008-07-04 Popular Science - Hydrogen: Hi Han, One ton (english) is 2000 pounds which is 909 Kg. Water is molecular weight of 18 (Oxygen is 16, hydrogen is one per atom so molecular weight is 2 in water molecule. So water contains 2/18...
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2008-07-03 Science for Kids - Do human visual and colour receptor work differently? do human have the same visual experience?: You can do controlled experiments showing people pictures of things. People with normal brains and normal vision will see the same thing. Of course, people who are colorblind, are blind in one eye, or...
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2008-07-03 Science for Kids - Do human visual and colour receptor work differently? do human have the same visual experience: Hi Rambo, My wife is a graphic artist and when she does a color correction to a photograph I have taken, the color is different from what I percived it to be when I took the photograph. In the same...
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2008-07-03 Science for Kids - Do human visual and colour receptor work differently? do human have the same visual experience: Hi Rambo, Normal eye sight is called 20/20 this means that an object of s specific size can be seen clearly and sharply. What people see, given the same "test" is the same at 20/20. But this "standard"...
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2008-07-03 Science for Kids - Do human visual and colour receptor work differently? do human have the same visual experience: Hi Rambo, Humans have color perception because of the types of receptors in the retina of the eye. Not all animals have both color and black and white receptors. Some have receptors that can see in...
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