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astronomy

James Repace

James Repace 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 Repace rather than just read about it. In short: James L. Repace is a Maryland-based biophysicist and scientific consultant known for publishing research on passive smoking.

Key takeaways

  • James Repace 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 Repace to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of James Repace from memory before moving on to harder problems.

Reference excerpt

James L. Repace is a Maryland-based biophysicist and scientific consultant known for publishing research on passive smoking.

Education Repace received his B.Sc. in 1962 and his M.Sc. in 1968, both in physics and both from the Polytechnic Institute of Brooklyn.

Career Repace served as a research physicist at the Naval Research Laboratory in the Ocean Sciences and Electronics Divisions, 1968 - 1979. He worked in the Office of Air and Radiation of the Environmental Protection Agency from 1979 to 1998. While there, he served on both the Air Policy and Indoor Air Staffs, as well as in the Exposure Analysis Division of the Office of Research and Development. He served as a consultant to the Occupational Safety and Health Administration in the U.S. Department of Labor, 1994–1995, on its proposed rule to regulate secondhand smoke and indoor air quality. He served as a Visiting Assistant Clinical Professor at the Tufts University School of Medicine from 2003 to 2011. He also served as a consultant to the Stanford University Dept. of Civil & Environmental Engineering from 2006 to 2012. One of Repace's most prominent conclusions was that ventilation systems are ineffective at combating indoor secondhand smoke. In one study, Repace and associates surreptitiously took air quality measurements at restaurants in Delaware prior to and after a statewide smoking ban went into effect. In another study, Repace found that displacement ventilation systems in restaurants with smoking and non-smoking sections did not keep airborne particulate matter to an acceptably low level in the non-smoking section, and were far less effective than a smoking ban. He is the author of a nonfiction book: Enemy No. 1 Waging The War On Secondhand Smoke.

References

External links Official website James Repace publications indexed by Google Scholar

Worked examples

Example 1 — a first encounter with James Repace

Start with the simplest possible case. Write down what James Repace 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 Repace 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 Repace 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 Repace

In research
James Repace 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 Repace 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 Repace is common in secondary-school and first-year university syllabi. It links to neighbouring topics American biophysicists, Living people, New York University alumni, so understanding it makes those chapters shorter.
In everyday life
Look for James Repace 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 Repace in 20 minutes

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

Frequently asked questions

What is James Repace in simple terms?

James L. Repace is a Maryland-based biophysicist and scientific consultant known for publishing research on passive smoking.

Why does James Repace 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 Repace?

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 Repace.

Tags

  • American biophysicists
  • Living people
  • New York University alumni
  • Tufts University School of Medicine faculty

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