Piano Guidance
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Is ivory worth any money?

It has no intrinsic value, but its cultural uses make ivory highly prized. In Africa, it has been a status symbol for millennia because it comes from elephants, a highly respected animal, and because it is fairly easy to carve into works of art.

How often do you change piano strings?
How often do you change piano strings?

every thirty years How Often Should A Piano Be Restrung? A general rule of thumb is that all of the strings in a piano should be replaced every...

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How many times can a piano be tuned?
How many times can a piano be tuned?

You could tune up to four times under heavy usage and a bare minimum of once a year under light usage. The long answer is that the following...

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Q: What makes ivory so precious?

—C.B. | Redwood City, California

It has no intrinsic value, but its cultural uses make ivory highly prized. In Africa, it has been a status symbol for millennia because it comes from elephants, a highly respected animal, and because it is fairly easy to carve into works of art. Chiefs and elders used it to promote their economic power through control of valued resources and via trade with others, says Christine Mullen Kreamer, deputy director and chief curator of the National Museum of African Art. The high point of the African ivory trade was from the 15th through the 19th centuries, and expanded to Europe, the Arab world and beyond. In the 19th and 20th centuries, increasing demand for ivory piano keys, billiard balls and luxury items led to the precipitous decline in the elephant population. Since the 1980s, conservation groups and governments have implemented regulations to protect the endangered species.

Q: I’ve heard that the Air Force considered testing a nuclear bomb on the moon during the Cold War. What would the ramifications have been?

—Camden Wehrle | Seneca Falls, New York

There would have been none for us, because the distance is so great. Any nuclear weapon on the moon would carve out a crater, and would contaminate the area with radiation. But the explosion would not likely affect Earth or its near-space infrastructure, says Michael Neufeld, senior curator in the space history department at the National Air and Space Museum. The Air Force did not follow through on its 1958 moon proposal, but the United States and the Soviet Union both detonated nuclear weapons a couple hundred miles above Earth between then and 1962. The 1967 United Nations Outer Space Treaty banned “weapons of mass destruction” in space—and no major powers have tried to violate it.

Q: Why don’t carnivorous mammals choke on feathers and fur?

—Stephen Ross | Rodney, Michigan

Eating small prey means consuming a lot of fur, feathers and difficult-to-digest tissues. These are called “animal fiber,” explains Mike Maslanka, head of nutrition sciences at the National Zoo, and, in some measure, they’re actually good for the digestive tract of the carnivore. As animal fiber makes its way through the digestive tract, microbes partially ferment it. That contributes to the carnivore’s dietary energy and possibly helps create a healthier digestive system.

Q: When did “red” and “blue” get their current political connotations?

—Patricia Clark | Washington, D.C.

While those terms have clear meanings to us now, it’s a relatively recent development in American political history, says Harry Rubenstein, retired curator of political history at the National Museum of American History. In the 1970s, as television news started relying more on color graphics, red and blue, and once yellow, were used to represent the parties’ victories on the election night map. The broadcasts weren’t yet standardized, so there are examples from the 1970s and 1980 where red stands for Democrats and blue for Republicans. By the 1990s, there was a trend toward the current party-color connection. The 2000 election is credited as the one that truly solidified it.

It’s your turn to Ask Smithsonian.

When did they stop using ivory for piano keys?
When did they stop using ivory for piano keys?

Many American piano manufacturers discontinued using ivory in the early 1970s, however, some international manufacturers in parts of Europe and...

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What key is most sad pop songs in?
What key is most sad pop songs in?

D minor From there it's an easy skip to D, the root of today's subject, the “saddest key,” D minor. That the key of D minor is the key of true...

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How do you carve easily?

Always carve in a downward direction onto those lines of grain. You can also carve diagonally across the grain or parallel to it, but do not carve up against the grain. If the wood begins to tear as you carve it even though the tool is sharp, you might be carving in the wrong direction.

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Article Summary

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To learn the art of wood carving, you’ll need some soft wood, a sharp knife, and several gouges to work with. Pick a wood that’s somewhat soft, like basswood, butternut, or white pine. Additionally, choose a knife that’s sharp and easy to grip, like a chip carving knife or a utility knife. You’ll also need several gouges, which are curved tools used to scoop the wood instead of cut it, and chisels, which are sharp tools used with a rubber mallet. Try some practice cuts on scrap wood before working on a major piece. Carve along with the grain so you don’t splinter the wood. When you’re ready to make a finished work, sketch the design lightly in pencil to have a guide. Secure the wood by clamping it onto a table and cut the basic shape before adding details. To learn how to preserve your finished carving, keep reading!

What is A sus four chord?
What is A sus four chord?

A jazz sus chord or 9sus4 chord is a dominant ninth chord with a suspended fourth, typically appearing on the dominant 5th degree of a major key....

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What's the saddest key?
What's the saddest key?

D minor This is our second story in our series on the characteristics of musical keys. We started with the “people's key,” C major. From there it's...

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Join almost HALF A MILLION Happy Students Worldwide
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What is the tritone of G?
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O.K., so we now know that the tritone of G is D flat.

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The Best Jazz Pianists of All Time Nat King Cole. Nat King Cole is renowned as both a hugely talented and swinging piano player as well as a...

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