physics

John Parslow

John Parslow 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 John Parslow rather than just read about it. In short: John Leonard Frederick Parslow (1935–2015) was an English ornithologist and author. Parslow was born on 10 July 1935 in London, and, after wartime evacuation to Cornwall, was educated at Chingford Grammar School.

Key takeaways

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

Reference excerpt

John Leonard Frederick Parslow (1935–2015) was an English ornithologist and author. Parslow was born on 10 July 1935 in London, and, after wartime evacuation to Cornwall, was educated at Chingford Grammar School. He undertook National Service at RAF Bawdsey, as a radar operator, from which he was demobbed in 1952. After work in the Bird Room of the British Museum, he joined the Edward Grey Institute of Field Ornithology in 1959, as assistant to David Lack. he moved to the Nature Conservancy Council's Monks Wood Experimental Station in 1967 to work as an information scientist, investigating the effects of pesticides on the food chain of birds. He was the RSPB's Director of Conservation and Reserves from 1975 to 1987. Parslow did pioneering work on the detection of bird migration using radar. He was also involved in the creation of a bird observatory at St. Agnes on the Isles of Scilly, which operated from 1957 to 1967. Parslow was the author of several books, a number of papers on bird migration, and a series of articles for British Birds. He died at home on 23 October 2015, and was buried at the Arbory Trust Woodland Burial Ground in Barton, Cambridgeshire. He was married twice, to Rosemary, with whom he had a son and two daughters, and to Mariko, who survived him.

Bibliography Parslow, John (1973). Breeding Birds of Britain and Ireland: Historical Survey (1st ed.). Berkhampsted: T & A D Poyser Ltd. ISBN 978-0-85661-001-1. Thorburn's Birds - Revised By John Parslow. James Fisher (ed.). Book Club Associates. 1976.{{cite book}}: CS1 maint: others (link) Heinzel, Hermann; Fitter, R. S. R.; Parslow, John (1979). The Birds of Britain and Europe with North Africa and the Middle East (4th Revised ed.). London: Collins. ISBN 978-0-00-219234-7. Bird Watchers' Britain: The Unique Pocket Guide to Bird Watching Walks. John Parslow (ed.). Pan Books. 1983. ISBN 978-0-330-28028-0.{{cite book}}: CS1 maint: others (link) Parslow, John (2010). Breeding Birds of Britain and Ireland. Berkhampsted England: Poyser. ISBN 978-1-4081-3707-9.

References

Worked examples

Example 1 — a first encounter with John Parslow

Start with the simplest possible case. Write down what John Parslow 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 John Parslow 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 John Parslow 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 John Parslow

In research: John Parslow 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 John Parslow 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: John Parslow is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1935 births, 2015 deaths, Edward Grey Institute people, so understanding it makes those chapters shorter.
In everyday life: Look for John Parslow 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 John Parslow in 20 minutes

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

Frequently asked questions

What is John Parslow in simple terms?

Why does John Parslow 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 John Parslow?

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 John Parslow.