chemistry

Julius Hensel

Julius Hensel is a chemistry 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 Julius Hensel rather than just read about it. In short: Julius Hensel (born 11 July 1833 in Küstrin; died probably 1903 in Berlin ) was a German agricultural and physiological chemist or pharmacist, who later qualified as a doctor of medicine. Hensel was the inventor of "stone meal" manure.

Key takeaways

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

Reference excerpt

Julius Hensel (born 11 July 1833 in Küstrin; died probably 1903 in Berlin ) was a German agricultural and physiological chemist or pharmacist, who later qualified as a doctor of medicine. Hensel was the inventor of "stone meal" manure.

Biography Hensel created a mineral field fertilization with rock flour. He invented the "stone meal" manure from grinding stones in his garden. He stated that his technique could create bread from the stones and unlock "inexhaustible nutritive forces [...] stored up in the rocks, the air and the water." He published Macrobiotic in 1882; he suggested that the underlying cause of all disease is a lack of mineral substances which are essential to the functioning of the body's cells. As he travelled he studied the minerals of the country and recorded any health problems more common in the area. His widely-read work Macrobiotic rejected the germ theory of disease and promoted the view that poor chemical composition of the blood causes disease. A contemporary of Wilhelm Heinrich Schüßler (sometimes written Schuessler), Hensel also proposed tritrated mineral substances to treat illness, but not diluted to the extent proposed by Hahnemann's homeopathy and made a large number of enemies in opposing many aspects of both established medical opinion of the day and some of the newer ideas, from vaccination to homeopathy.

Selected publications 1881 "Über causalmechanische Entstehung von Organismen" (under the pseudonym "pilgrim"). 1885 "Life - its foundations, and the means of its conservation“. ISBN 978-1-4461-3277-7 1892 Macrobiotic; Or, Our Diseases and Our Remedies ISBN 978-1-4457-7900-3 1894 Bread from Stones ISBN 978-3-86858-343-4 1894 Physiological Bread 1967 Life: Its Foundation and the Means for Its Preservation

Literature Sampson Morgan: Clean Culture: The new soil science. Tri-State-Press. 1996. ISBN 978-0787310059

References

External links Bread from Stones Archived 2015-05-28 at the Wayback Machine (PDF; 1,7 MB) Literature by and about Julius Hensel in the German National Library catalogue

Illustrations

Worked examples

Example 1 — a first encounter with Julius Hensel

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

In research: Julius Hensel appears in chemistry 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 Julius Hensel 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: Julius Hensel is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1833 births, 1903 deaths, Germ theory denialists, so understanding it makes those chapters shorter.
In everyday life: Look for Julius Hensel 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 Julius Hensel in 20 minutes

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

Frequently asked questions

What is Julius Hensel in simple terms?

Why does Julius Hensel matter?

Because it connects several chemistry 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 Julius Hensel?

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 Julius Hensel.