physics

James R. Powell (physicist)

James R. Powell (physicist) 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 James R. Powell (physicist) rather than just read about it. In short: James R. Powell was an American physicist, notable – together with Gordon Danby – for his work on superconducting maglev, for which he shared the Franklin Institute "Medal 2000 for Engineering".

Key takeaways

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

Reference excerpt

James R. Powell was an American physicist, notable – together with Gordon Danby – for his work on superconducting maglev, for which he shared the Franklin Institute "Medal 2000 for Engineering". He was a director of the MAGLEV 2000 of Florida Corporation and Danby Powell Maglev Technology Corporation.

Career He received his BS in chemical engineering in 1953 from Carnegie Institute of Technology (now Carnegie Mellon University) and his Sc.D. in nuclear engineering from the Massachusetts Institute of Technology in 1958. He joined Brookhaven National Laboratory (BNL) in 1956, where he became a tenured senior nuclear engineer. He retired in late 1996. Powell died on May 27, 2019. His inventions, including the inductive levitation and stabilization guideway, null flux geometry, and linear synchronous motor for vehicle propulsion, are the basis for the 500-kilometer (300-mile) Tokyo-to-Nagoya maglev route planned to be operational 2027. He also has worked on pebble-bed nuclear reactor. He was a lead developer of the StarTram proposal.

References

Worked examples

Example 1 — a first encounter with James R. Powell (physicist)

Start with the simplest possible case. Write down what James R. Powell (physicist) 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 James R. Powell (physicist) 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 R. Powell (physicist) 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 R. Powell (physicist)

In research: James R. Powell (physicist) 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 James R. Powell (physicist) 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 R. Powell (physicist) is common in secondary-school and first-year university syllabi. It links to neighbouring topics 20th-century American physicists, 21st-century American physicists, American physicist stubs, so understanding it makes those chapters shorter.
In everyday life: Look for James R. Powell (physicist) 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.

Ask Teacher Smith questions about this articleOpens your AI tutor with a question about “James R. Powell (physicist)” →

Affiliate

Preply — study more efficiently by working with a personal tutor. 50% off.

How to study James R. Powell (physicist) in 20 minutes

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

Frequently asked questions

What is James R. Powell (physicist) in simple terms?

James R. Powell was an American physicist, notable – together with Gordon Danby – for his work on superconducting maglev, for which he shared the Franklin Institute "Medal 2000 for Engineering".

Why does James R. Powell (physicist) 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 James R. Powell (physicist)?

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 R. Powell (physicist).