engineering

Ognjeslav Stepanović Kostović

Ognjeslav Stepanović Kostović is a engineering 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 Ognjeslav Stepanović Kostović rather than just read about it. In short: Ognjeslav Stepanović Kostović (Serbian Cyrillic: Огњеслав Степановић Костовић) (1851 – 16 December 1916) was a Serbian inventor. He is credited with creating "arbonite" (i.e. plywood), the first "plastic" materials (e.g. gutta percha) pre-date 1906 plastic in the world.

Key takeaways

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

Reference excerpt

Ognjeslav Stepanović Kostović (Serbian Cyrillic: Огњеслав Степановић Костовић) (1851 – 16 December 1916) was a Serbian inventor. He is credited with creating "arbonite" (i.e. plywood), the first "plastic" materials (e.g. gutta percha) pre-date 1906 plastic in the world.

Biography He was born in Wieselburg in the Austrian Empire to a Serbian noble family residing in Pest in the Kingdom of Hungary, but spent most of his life in Saint Petersburg in the Russian Empire. He is credited with creating "arbonite" (i.e. plywood), the first "plastic" materials (e.g. gutta percha) pre-date 1906 plastic in the world. Kostović patented the technology of the production of arbonite in the USA on 4 September 1906. In the early 1880s he designed and attempted to construct a dirigible (airship), about 20 years before Ferdinand von Zeppelin. His flight vehicle was destroyed in a fire and never tested in the air. He also developed and constructed a large gasoline engine for his dirigible. In 1879 he demonstrated his flying models of a helicopter, aircraft and ornithopter, while in 1881 approached the building of an aircraft. In the catalogue of an aeronautical exhibition of 1911 and in the article of G.V. Piotrovski it is said that Kostović actually constructed a flight vehicle. The same was also said in A. Ewald's report in the Russian technical society on 12 March 1883. Kostović's 1883/1884 petrol engine (with carburettor) preceded and out-performed the Daimler-Benz equivalent. Ognjeslav Kostović lived with his family in Saint Petersburg, Russia. He celebrated the slava of Saint Nicholas every year, and one of his regular guests was Dmitri Mendeleev. One of his daughters married a Serbian officer; during the First World War she became, together with Nadežda Petrović, a voluntary nurse. Two of his daughters lived in Belgrade. When he died in December 1916 in Saint Petersburg, the press reported that "a brilliant inventor and scientist has disappeared, a man who has, for many reasons, deserved that future generations remember his unusual destiny and scientific achievements".

Illustrations

Ognjeslav Stepanović Kostović illustration

Worked examples

Example 1 — a first encounter with Ognjeslav Stepanović Kostović

Start with the simplest possible case. Write down what Ognjeslav Stepanović Kostović claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In engineering, 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 Ognjeslav Stepanović Kostović 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 Ognjeslav Stepanović Kostović 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 Ognjeslav Stepanović Kostović

In research: Ognjeslav Stepanović Kostović appears in engineering 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 Ognjeslav Stepanović Kostović 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: Ognjeslav Stepanović Kostović is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1851 births, 1916 deaths, 19th-century engineers from the Russian Empire, so understanding it makes those chapters shorter.
In everyday life: Look for Ognjeslav Stepanović Kostović 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 Ognjeslav Stepanović Kostović in 20 minutes

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

Frequently asked questions

What is Ognjeslav Stepanović Kostović in simple terms?

Why does Ognjeslav Stepanović Kostović matter?

Because it connects several engineering 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 Ognjeslav Stepanović Kostović?

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 Ognjeslav Stepanović Kostović.