science

Yamada Sōbi

Yamada Sōbi is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Yamada Sōbi rather than just read about it. In short: Yamada Sōbi (山田宗美) (December 23, 1871 – March 15, 1916) was a Japanese metallurgic artist. Biography He was born in Kaga, Ishikawa.

Key takeaways

Yamada Sōbi belongs to science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Yamada Sōbi to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Yamada Sōbi from memory before moving on to harder problems.

Reference excerpt

Yamada Sōbi (山田宗美) (December 23, 1871 – March 15, 1916) was a Japanese metallurgic artist.

Biography He was born in Kaga, Ishikawa. His given name was Chozaburo. He was the son of Yamada Munemitsu (died 1908), a ninth-generation armorer, who learned metal-hammering in a Myochin-school studio. He devised a proprietary technology that hammered out three-dimensional vases and okimono figurines from one piece of iron plate. He became a master craftsman in this technique and was exhibited at the Louisiana Purchase Exposition in St. Louis in 1904, where he won a prize. He was nominated to be an Imperial Household Artist, before he died at age 44. One of his disciples was Sosei Kurose (1886-1944), and his disciple was Sokyu Yamashita (died around 1975) who in turn had no disciples of his own. The art of how Yamada was able to complete his works was lost. His works are highly priced and are collected by museums and private owners. An oviform iron vase with short everted neck, finely hammered in low relief with a heron in water by reeds, about 38.7 cm high achieved a sale at an auction by Christie's in April 2016 for a price of USD 30,000.

Works Lion and Lioness Pigeon on roof tile, Kaga City Art Museum Rabbit, which has ears that are 11 cm long. Kaga City Art Museum

References

Illustrations

Worked examples

Example 1 — a first encounter with Yamada Sōbi

Start with the simplest possible case. Write down what Yamada Sōbi claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Yamada Sōbi before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Yamada Sōbi ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Yamada Sōbi

In research: Yamada Sōbi appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Yamada Sōbi in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Yamada Sōbi is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1871 births, 1916 deaths, Artists from Ishikawa Prefecture, so understanding it makes those chapters shorter.
In everyday life: Look for Yamada Sōbi outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Yamada Sōbi in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Yamada Sōbi means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Yamada Sōbi out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Yamada Sōbi in simple terms?

Yamada Sōbi (山田宗美) (December 23, 1871 – March 15, 1916) was a Japanese metallurgic artist. Biography He was born in Kaga, Ishikawa.

Why does Yamada Sōbi matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Yamada Sōbi?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Yamada Sōbi.