science

Paul Rappaport

Paul Rappaport 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 Paul Rappaport rather than just read about it. In short: Paul Rappaport was an American physicist and a solar energy expert. Career Paul Rappaport joined RCA Corporation in 1949.

Key takeaways

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

Reference excerpt

Paul Rappaport was an American physicist and a solar energy expert.

Career Paul Rappaport joined RCA Corporation in 1949. He was originally researching transistors and integrated circuits. Since 1953, he contributed most of his time on energy conversion and solar photo cells. He left RCA Corporation in 1977. He is also the founding director of the Solar Energy Research Institute in Golden, Colorado.

IEEE Paul Rappaport Award To commemorate Dr. Rappaport's contributions, the IEEE Paul Rappaport Award was established in 1984. One paper is selected from IEEE Electron Devices Society each year.

Death He died in 1980 after combating a long illness.

Patents CA656618A Nuclear battery US3263085A Radiation powered semiconductor devices (invented with Jr Edward Pasierb) US3187193A Multi-junction negative resistance semiconducting devices (invented with Jr Edward Pasierb) US2975286A Radiation detection (invented with Joseph J. Loferski) CA543100A Secondary electron emitter US2819414A Radioactive battery employing stacked semi-conducting devices (invented with Ralph L. Sherwood) AU197954A Self-powered semiconductive devices AU208117B2 Self-powered semiconductive devices US2998550A Apparatus for powering a plurality of semi-conducting units from a single radioactive battery (invented with Warren T Collins) US2713644A Self-powered semiconductor devices DE1036413B Primary voltage source with which nuclear radiation energy is converted into electrical energy CH330645A Primary element for generating a direct voltage AU123554A Means for converting the energy of nuclear emissions into useful electrical energy AU202741B2 Means for converting the energy of nuclear emissions into useful electrical energy US2976433A Radioactive battery employing semiconductors (invented with Joseph J. Loferski) US2745973A Radioactive battery employing intrinsic semiconductor US2976426A Self-powered semiconductive device US3094634A Radioactive batteries DE1012698B Process for the production of secondary emission cathodes with a magnesium oxide surface US2684990A Battery design for guided missiles US2768313A Controllable radioactive voltage charging devices

References

Worked examples

Example 1 — a first encounter with Paul Rappaport

Start with the simplest possible case. Write down what Paul Rappaport 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 Paul Rappaport 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 Paul Rappaport 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 Paul Rappaport

In research: Paul Rappaport 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 Paul Rappaport 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: Paul Rappaport is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1922 births, 1980 deaths, American scientists, so understanding it makes those chapters shorter.
In everyday life: Look for Paul Rappaport 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 Paul Rappaport in 20 minutes

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

Frequently asked questions

What is Paul Rappaport in simple terms?

Paul Rappaport was an American physicist and a solar energy expert. Career Paul Rappaport joined RCA Corporation in 1949.

Why does Paul Rappaport 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 Paul Rappaport?

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 Paul Rappaport.