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Book Chapter |
This chapter is, as the title indicates, all about eyeballs and how they work. We'll use just about everything we've learned so far, plus one or two new things, including how to draw 3-D pictures. You'll be asked to do…
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Fire the Photon Torpedoes, Mr. Sulu!
Book Chapter |
Yeah, what about those photon torpedoes? Aren't photons supposed to be little light particles? Yes, they are, and they constitute the third model for what light is. Although much of the photon stuff is beyond the scope…
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Stop Children, What's That Sound?
Book Chapter |
Aging hippies might recognize the title of this chapter from an old Buffalo Springfield song. Others will just have to ignore it, and realize that this is the first chapter in a book on sound. As you go through this…
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Book Chapter |
Unless you really haven't been paying attention to the world around you, you know that plucked strings produce sounds. Carlos Santana demonstrates this on a regular basis. Because stringed instruments are so commonly…
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Book Chapter |
Sound travels in waves, but those waves aren't exactly like waves on a string. One nice things is that sound waves have all the same relationships between frequency, wavelength, and velocity that waves on a string have…
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Book Chapter |
Harmonic convergence refers to a day back in 1987 where there was a particular planetary alignment. New Agers went crazy over the event, and if you want to get a taste of what it was like, enter harmonic convergence…
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Waves Do Basic Math--Adding and Subtracting
Book Chapter |
So far we've been dealing with single sources of sound, and how they produce the pitches you hear. But you don't go to the symphony to hear a single oboe, and when you hear a solo guitarist, he or she doesn't keep your…
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Book Chapter |
Yep, you guessed it. This chapter is all about music. Yes, we've already talked about music and musical instruments, but we're going to get into this subject in more detail. For example, you might already know that…
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Book Chapter |
We've covered most of the basics of how sound is produced and transmitted, but we've left something out, and that's all the electronic devices we use to amplify sound, reproduce it, or get it from one place to another…
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Book Chapter |
The contents of this chapter deal with air pressure and water pressure and what causes those things to increase and decrease. In addition, the real-world results of those increases and decreases in air and water…
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Book Chapter |
This chapter delves deeper into air pressure, or to be more correct, the pressure exerted by any gas. The most important part of this chapter is a scientific model for how gases behave, which will be used to explain…
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Balloons and Other Things That Sometimes Float
Book Chapter |
Hot air balloons float--sometimes. Regular old balloons that you get at a party float--sometimes. Boats float--sometimes. What makes them float and what makes them sink? How can a boat made of steel float but a solid…
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Book Chapter |
Before moving on to weather patterns, there are a few concepts about air and water that haven't been covered thus far. This chapter ties together these loose ends and prepares readers for a better understanding of the…
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Book Chapter |
The concepts covered so far that pertain to the Earth's weather will finally be applied in this chapter. A number of basic mechanisms that govern small-scale things such as cloud formation, rain, fog, dew point, and…
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Book Chapter |
In the previous chapter, we dealt with how the properties of air and water affected small-scale weather such as the formation of clouds, the formation of fog, and how comfortable you feel at different times of the year…
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