astronomy

Nicolae Vasilescu-Karpen

Nicolae Vasilescu-Karpen is a astronomy 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 Nicolae Vasilescu-Karpen rather than just read about it. In short: Nicolae Vasilescu Karpen (December 10 (O.S.)/December 22 (N.S.), 1870, in Craiova – March 2, 1964, in Bucharest) was a Romanian engineer and physicist, who worked in telegraphy and telephony and had achievements in mechanical engineering, elasticity, thermodynamics, long-distance telephony, electrochemistry, and civil engineering. Life After studying at the Carol I High School in Craiova, he went to the School of Br…

Key takeaways

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

Reference excerpt

Nicolae Vasilescu Karpen (December 10 (O.S.)/December 22 (N.S.), 1870, in Craiova – March 2, 1964, in Bucharest) was a Romanian engineer and physicist, who worked in telegraphy and telephony and had achievements in mechanical engineering, elasticity, thermodynamics, long-distance telephony, electrochemistry, and civil engineering.

Life After studying at the Carol I High School in Craiova, he went to the School of Bridges, Roads and Mines in Bucharest. After graduating in 1891, he worked as a civil engineer for three years. He went to France to study physics at the University of Paris. In 1904 he was awarded a PhD in physics for his thesis Recherches sur l'effet magnétique des corps electrisés en mouvement (Research on the magnetic effect of electrified bodies in motion). After a year as a professor at the University of Lille, he returned to Romania to teach at the School of Bridges, Roads and Mines, where he was appointed director in February 1920. As a result of his efforts, the School was transformed later that year into the Polytechnic University of Bucharest. Vasilescu Karpen was the first rector of this university, serving in that capacity until 1940. In 1908(?) he is said to have invented the Karpen Pile. He was the engineer who introduced a permanent wire telecom bridge between Brașov and Bucharest. He introduced electrically transmitted "wired telegrams" in the Romanian Old Kingdom by 1920. He became a titular member of the Romanian Academy in 1923; stripped of membership by the new communist regime in 1948, he was restored to the academy in 1955.

Karpen Pile

The Karpen Pile is claimed to be a battery that has provided continuous energy for over 60 years, making it either a supremely effective method of storing energy or a hoax, furthermore some newspapers describe it as a perpetuum mobile, but most scientists disagree since such a device would violate the Second law of thermodynamics. The device is housed at the Dimitrie Leonida National Technical Museum by 2010. There were claims that it had been working there continuously for 60 years. The prototype has been assembled in 1950 and consists of two series-connected electric piles moving a small galvanometric motor. The motor moves a blade that is connected to a switch. With every half rotation, the blade opens the circuit and closes it at the start of the second half. The blade's rotation time had been calculated so that the piles have time to recharge and that they can rebuild their polarity during the time that the circuit is open. It uses platinum and gold electrodes and no detectable corrosion effect happens. Normally, one electrode should corrode and lose ions which should deposit around the other electrode. Apparently, this does not happen. The cell is just as basic as it gets: two pure electrodes immersed in pure sulfuric acid. Everything sealed. However, the fact that the electrodes are made of gold and platinum (the least reactive metals) and the very low density of the generated power could be the reason why the pile is still working.

See also Oxford Electric Bell Beverly Clock Pitch drop experiment

References

External links

Nicolae Vasilescu Karpen (in Romanian) "Nicolae Vasilescu-Karpen (1870-1964)", short biography by Remus Răduleț "For a continuous working of the Vasilescu-Karpen's concentration pile", by Mihai Dogaru and Mircea Dimitrie Cazacu "University Politehnica of Bucharest", short history (in Romanian) "Pila nemuritoare", I. Golea, Ziua, March 11, 2006 Karpen's Pile: A Battery That Produces Energy Continuously Since 1950 Exists in Romanian Museum, The "Dimitrie Leonida" National Technical Museum

Illustrations

Worked examples

Example 1 — a first encounter with Nicolae Vasilescu-Karpen

Start with the simplest possible case. Write down what Nicolae Vasilescu-Karpen claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In astronomy, 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 Nicolae Vasilescu-Karpen 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 Nicolae Vasilescu-Karpen 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 Nicolae Vasilescu-Karpen

In research: Nicolae Vasilescu-Karpen appears in astronomy 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 Nicolae Vasilescu-Karpen 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: Nicolae Vasilescu-Karpen is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1870 births, 1964 deaths, 19th-century Romanian scientists, so understanding it makes those chapters shorter.
In everyday life: Look for Nicolae Vasilescu-Karpen 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 Nicolae Vasilescu-Karpen in 20 minutes

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

Frequently asked questions

What is Nicolae Vasilescu-Karpen in simple terms?

Why does Nicolae Vasilescu-Karpen matter?

Because it connects several astronomy 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 Nicolae Vasilescu-Karpen?

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 Nicolae Vasilescu-Karpen.