astronomy

James W. Brault

James W. Brault is a astronomy 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 James W. Brault rather than just read about it. In short: James W. Brault (February 10, 1932 – November 1, 2008) was a 20th-century scientist and a pioneer of Fourier transform spectroscopy.

Key takeaways

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

Reference excerpt

James W. Brault (February 10, 1932 – November 1, 2008) was a 20th-century scientist and a pioneer of Fourier transform spectroscopy. He was a world-leading expert in physical instrument design, numerical methods as applied to spectroscopy, and in atomic and molecular spectroscopy. He graduated from Princeton University in 1962 as a student of Robert H. Dicke on the gravitational redshift of the sun and worked later at the Kitt Peak National Observatory, where he installed a high-resolution Fourier transform spectrometer used for astronomy, solar physics, and laboratory spectroscopy. In his early years, Brault was involved in the development of the lock-in amplifier, and of differential interference microscopy and phase modulation microscopy with Robert D. Allen.

References

Sumner P. Davis, Mark C. Abrams, and James W. Brault, Fourier Transform Spectrometry, Academic Press, 2001. Ginette Roland, James W. Brault, and Larry Testerman, Photometric Atlas of the Solar Spectrum from 1,850 to 10,000 cm−1, 164 pp., Kitt Peak National Observatory, 1981. James W. Brault, "Frequency Responsive Networks", U.S. Patent US3296464, 1967. James W. Brault, "Gravitational redshift of solar lines", Bull. Am. Astron. Soc. 8, 28, 1963. Photograph during solar eclipse in 1965: http://www.noao.edu/image_gallery/html/im0323.html Archived 2013-11-06 at the Wayback Machine

Worked examples

Example 1 — a first encounter with James W. Brault

Start with the simplest possible case. Write down what James W. Brault claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In astronomy, 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 James W. Brault 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 James W. Brault 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 James W. Brault

In research: James W. Brault appears in astronomy 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 James W. Brault 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: James W. Brault is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1932 births, 2008 deaths, American scientist stubs, so understanding it makes those chapters shorter.
In everyday life: Look for James W. Brault 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 James W. Brault in 20 minutes

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

Frequently asked questions

What is James W. Brault in simple terms?

James W. Brault (February 10, 1932 – November 1, 2008) was a 20th-century scientist and a pioneer of Fourier transform spectroscopy.

Why does James W. Brault matter?

Because it connects several astronomy 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 James W. Brault?

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 James W. Brault.