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For many of us, physics, like math, has always been a thing of mystery and complexity. In First You Build a Cloud, K. C. Cole provides cogent explanations through animated prose, metaphors, and anecdotes. First You Build a Cloud and millions of other books are available for Amazon Kindle. Note: Available at a lower price from other sellers that may not offer free Prime shipping. Cole, the Leonardo da Vinci of science writers, has taken her great, out-of-print Sympathetic Vibrations.
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The default mode, after you close your books for the day, is not retainment but forgetting. No one has any idea why. Sign in. The so-called elementary particles of which the atoms are made are also identical particles in the above sense—all electrons are the same; all protons are the same; all positive pions are the same; and so on. All Rights Reserved.
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Dan Abrams. The Hole in the Universe. Mind Over Matter. The Universe and the Teacup. The Kingdom of Your Heart. The Truth of Christ's Body. How to write a great review. Thus, you may not learn all about thermodynamics from reading her chapter on it, but you will learn enough to think seriously about the entropy in your own life. Cole sprinkles her text with comments from famous scientists';Space is blue, and birds fly in it,' said Heisenberg, and Faraday said, ';Nothing is too wonderful to be true'that are not only delightful in themselves but perfectly suited to her own text.
No review of Cole's book could be too wonderful to be true. Hole in the Universe K C Cole. Bloggat om First You Build a Cloud. Snell, however, failed to publish his findings and died in Then, about 80 years later, after Snell's notes were discovered, controversy arose when some accused Descartes of having somehow seen Snell's manuscript and taken his findings for his own. The end result was that in the West, especially in the English-speaking countries, the law of the refraction of light became known as Snell's Law, while in France it is referred to as Descartes' Law.
So, while Descartes may have explained what a rainbow is, he really couldn't have done it without those calculations for the refraction of light. But whether he or Snell can be fully credited for that part of the explanation, we may never know. Sailors have long known that rainbows can be used to predict the weather.
Generally speaking, showers and thunderstorms move from west to east, thus verifying the old adage:. In the morning the sun is in the east; to see a rainbow you must be facing toward the west where it's raining. Since showery weather usually comes from the west, take warning from the morning rainbow. At night well, actually more like late afternoon, but "afternoon" doesn't rhyme with "delight" the sun is in the western sky; after a shower or thunderstorm has already passed you by, it usually is retreating toward the east, where you'll see your rainbow.
And because showers are more frequent in the late afternoon than in the early morning, late-afternoon rainbow sightings are far more frequent than in the morning and it's for this reason that the appearance of a rainbow is usually associated with the onset of improving weather. If the sun is setting or rising, a full half-bow can be seen.
If the sun happens to be degrees or higher above the horizon you won't be able to see a rainbow because it would be below the horizon. Your clenched fist held at arm's length is roughly equal to 10 degrees; so if the sun is approximately "four fists" above the horizon you won't see a rainbow. The only possibility of sighting a rainbow at that time would be from an airplane or from the summit of a tall mountain. An airplane would provide the best opportunity for catching sight of a full degree rainbow projected against the ground, but that's a sight that only a few have been privileged to see.
Another type of bow colored red, or red and green may appear with primary and secondary bows. Occasionally, several bands of color can be seen just within the primary rainbow. These extra bands are known as supernumerary rainbows, and they were explained in by the British scientist Thomas Young when he realized that light consisted of waves. They are due to the diffraction deflection of light.
As we have seen, most rainbows are caused by sunlight and are seen in the day, but occasionally we can be rewarded by a glimpse of a moonbow caused by a full or nearly-full moon.