physics

Thomas Tommasina

Thomas Tommasina 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 Thomas Tommasina rather than just read about it. In short: Thomas Tommasina (1855 – 29 January 1935) was an artist turned physicist who worked on atmospheric ionization and gravitational theories mainly after moving to Switzerland. An experimenter as well as a theoretician, he invented a radio-receiver-like device while studying ionospheric disturbances in the upper atmosphere and used it in long-range weather prediction.

Key takeaways

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

Reference excerpt

Thomas Tommasina (1855 – 29 January 1935) was an artist turned physicist who worked on atmospheric ionization and gravitational theories mainly after moving to Switzerland. An experimenter as well as a theoretician, he invented a radio-receiver-like device while studying ionospheric disturbances in the upper atmosphere and used it in long-range weather prediction.

Early life Tommasina was born in the town of Intra (today part of Verbania) on the shores of Lake Maggiore in the Kingdom of Lombardy–Venetia, then part of the Austrian Empire. In his early years, he admired the Italian school of painting, particularly that of Leonardo da Vinci.

Education Tommasina studied art. In 1885 he became inspired by the works of Alessandro Volta, took an interest in physics, and went to Geneva to study under Charles Soret. Here he worked on the physics behind the hardness of solids. Following the works of Julius Elster and Hans Friedrich Geitel he joined Édouard Sarasin in studies on the ionization of air and related phenomena. He was a doctor of science and member of the National Institute of Geneva from 1902.

Career Tommasina wrote a book on the "physics of gravitation and dynamic of the Universe" ("La Physique de la Gravitation et la Dynamique de l'Univers") in 1927. He also worked on the orbits of comets during this period. His work on gravity using wave models was founded on the idea of ether. He also wrote an introduction to a French translation of a book by Alfred Russel Wallace in 1907 - "La place de l'homme dans l'univers : études sur les résultats des recherches scientifiques, sur l'unité et la pluralité des mondes". Tommasina invented a telephonic receiver system which he adapted as a weather forecasting system in 1901. Called the "Electro-radiophone" it picked up electric discharges in the atmosphere and transmitted them over wires to where it could be heard in the form of sound. The receiver made use of the Branly effect. It may have been one of the earliest ideas on using wireless telegraphy in meteorology. Tommasina's device had also been of interest to Guglielmo Marconi. When Marconi claimed a patent there were several counter-claims and it was suggested that the true inventor of the so-called "mercury-coherer" used in the first transatlantic telegraphy was Tommasina. Tommasina did not however use it for the purpose of wireless-telegraphy nor did he claim to be its inventor.

Personal life On 29 January 1935, Tommasina died at his villa in Champel, Geneva, Switzerland.

References

Illustrations

Worked examples

Example 1 — a first encounter with Thomas Tommasina

Start with the simplest possible case. Write down what Thomas Tommasina 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 Thomas Tommasina 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 Thomas Tommasina 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 Thomas Tommasina

In research: Thomas Tommasina 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 Thomas Tommasina 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: Thomas Tommasina is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1855 births, 1935 deaths, 20th-century Swiss inventors, so understanding it makes those chapters shorter.
In everyday life: Look for Thomas Tommasina 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 Thomas Tommasina in 20 minutes

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

Frequently asked questions

What is Thomas Tommasina in simple terms?

Why does Thomas Tommasina 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 Thomas Tommasina?

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 Thomas Tommasina.