physics

Richard Lingenfelter

Richard Lingenfelter is a physics 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 Richard Lingenfelter rather than just read about it. In short: Richard Emery "Rich" Lingenfelter (April 5, 1934 – March 20, 2021) was an American astrophysicist and historian. He is known for his work on the origin of cosmic rays and gamma rays.

Key takeaways

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

Reference excerpt

Richard Emery "Rich" Lingenfelter (April 5, 1934 – March 20, 2021) was an American astrophysicist and historian. He is known for his work on the origin of cosmic rays and gamma rays. As a historian, he is recognized for his efforts at chronicling the history of Death Valley.

Biography Lingenfelter was born on April 5, 1934, in Farmington, New Mexico. He received his bachelor's degree from the University of California, Los Angeles (UCLA) in 1956. He then worked at Lawrence Livermore National Laboratory from 1957 to 1962, after which he worked at UCLA's Institute of Geophysics from 1962 to 1968. From 1969 to 1979, he was a professor in residence at UCLA's Institute of Geophysics and Planetary Physics, and in their Department of History. He was concurrently a faculty member in UCLA's Department of Astronomy from 1974 to 1979. In 1979, he joined the faculty of the University of California, San Diego (UCSD) as a research physicist, theoretician and senior lecturer. After his retirement he remained at UCSD as a research physicist emeritus at UCSD's Center for Astrophysics and Space Sciences.

Honors and awards Lingenfelter received a Fulbright Scholarship to serve as a visiting fellow at the Tata Institute of Fundamental Research from 1968 to 1969. He was a fellow of the American Physical Society and the former chair of its Division of Astrophysics. His other professional memberships included the American Geophysical Union, the American Astronomical Society, the International Astronomical Union, and the Western History Association.

References

Worked examples

Example 1 — a first encounter with Richard Lingenfelter

Start with the simplest possible case. Write down what Richard Lingenfelter claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In physics, 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 Richard Lingenfelter 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 Richard Lingenfelter 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 Richard Lingenfelter

In research: Richard Lingenfelter appears in physics 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 Richard Lingenfelter 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: Richard Lingenfelter is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1934 births, 2021 deaths, 20th-century American historians, so understanding it makes those chapters shorter.
In everyday life: Look for Richard Lingenfelter 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 Richard Lingenfelter in 20 minutes

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

Frequently asked questions

What is Richard Lingenfelter in simple terms?

Richard Emery "Rich" Lingenfelter (April 5, 1934 – March 20, 2021) was an American astrophysicist and historian. He is known for his work on the origin of cosmic rays and gamma rays.

Why does Richard Lingenfelter matter?

Because it connects several physics 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 Richard Lingenfelter?

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 Richard Lingenfelter.