science

Thread of the Silkworm

Thread of the Silkworm 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 Thread of the Silkworm rather than just read about it. In short: Thread of the Silkworm is a 1996 historical nonfiction book by Iris Chang. It tells the story of Tsien Hsue-Shen, a leading aerodynamist who worked with Theodore von Karman and is associated with the Jet Propulsion Lab, was deported amidst the Red Scare, and subsequently became a chief progenitor of the Chinese space program.

Key takeaways

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

Reference excerpt

Thread of the Silkworm is a 1996 historical nonfiction book by Iris Chang. It tells the story of Tsien Hsue-Shen, a leading aerodynamist who worked with Theodore von Karman and is associated with the Jet Propulsion Lab, was deported amidst the Red Scare, and subsequently became a chief progenitor of the Chinese space program.

Background The book tells a story of Tsien Hsue-Shen, a Chinese scientist who left China in 1935 and studied under Theodor von Karman in Caltech, was one of the founders of the Jet Propulsion Lab, and became one of the leading aerodynamists in the United States. Despite this, in 1950 he was suspected as a communist and was deported in 1955 during the Red Scare; afterwards, he joined the Chinese Communist Party, writing an article that "scientifically supported" Mao's Great Leap Forward. He is chiefly remembered for becoming a chief designer of China's missile and satellite programs, among them the book's namesake, the Silkworm missile. Although Chang was unable to interview Tsien because he refused to talk to Americans, she interviewed his son. Chang wrote of Tsien:

How stark the contrast between the young Tsien and the old. The young Tsien dreamed of a world of peace and equality. The older Tsien lived in a world governed by regimented hierarchy and helped manufacture the weapons of world destruction. The young Tsien was both Chinese and American, at heart a citizen of two countries. The older Tsien felt alienated by both.

Reception Heidi Benson of the San Francisco Chronicle stated that "It was well-reviewed, though it never sold in great numbers." Eliot A. Cohen noted that the book "reveals the price a scientist may pay for vanity when immersed in a political world he understands less than he thinks". Tianyu Fang of the Foreign Policy called the book "perhaps the most comprehensive account of Tsien's life".

References

External links First chapter at Washington Post website Thread of the Silkworm on Google Books

Worked examples

Example 1 — a first encounter with Thread of the Silkworm

Start with the simplest possible case. Write down what Thread of the Silkworm 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 Thread of the Silkworm 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 Thread of the Silkworm 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 Thread of the Silkworm

In research: Thread of the Silkworm 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 Thread of the Silkworm 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: Thread of the Silkworm is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1996 non-fiction books, Biographical book stubs, Biographical books, so understanding it makes those chapters shorter.
In everyday life: Look for Thread of the Silkworm 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 Thread of the Silkworm in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Thread of the Silkworm 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 Thread of the Silkworm out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Thread of the Silkworm in simple terms?

Why does Thread of the Silkworm 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 Thread of the Silkworm?

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 Thread of the Silkworm.