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What’s?

What is renewable energy storage?

renewable energy storage, stockage énergies renouvelables

The storage of green energy is an issue which concerns many sectors, whether for energy transition or for supplying power to connected objects using batteries. Thierry Djenizian, a researcher at Mines Saint-Étienne, explains the main problems to us, focusing in particular on how electrochemical storage systems work.   Why is …

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What is net neutrality?

Net neutrality is a legislative shield for preventing digital discrimination. Regularly defended in the media, it ensures equal access to the internet for both citizens and companies. The topic features prominently in a report on the state of the internet published on May 30 by Arcep (the French telecommunications and …

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What is Digital Labor?

digital labor

Are we all working for digital platforms? This is the question posed by a new field of research: digital labor. Web companies use personal data to create considerable value —but what do we get in return? Antonio Casilli, a researcher at Télécom ParisTech and a specialist in digital labor, will …

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What is Big Data?

Big Data, TeraLab, Anne-Sophie Taillandier

On the occasion of the Big Data Congress in Paris, which was held on 6 and 7 March at the Palais des Congrès, Anne-Sophie Taillandier, director of TeraLab, examines this digital concept which plays a leading role in research and industry.   Big Data is a key element in the …

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What is a Quantum Computer?

Quantum computer, Romain Alléaume

The use of quantum logic for computing promises a radical change in the way we process information. The calculating power of a quantum computer could surpass that of today’s biggest supercomputers within ten years. Romain Alléaume, a researcher in quantum information at Télécom ParisTech, helps us to understand how they …

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What is space telecommunication? A look at the ISS case

ISS, télécommunication spatiale, Space Telecommunication

Laurent Franck is a space telecommunications researcher at IMT Atlantique. These communication systems are what enable us to exchange information with far-away objects (satellites, probes…). These systems also enable us to communicate with the International Space Station (ISS). This is a special and unusual case compared to the better-known example …

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What is machine learning?

machine learning

Machine learning is an area of artificial intelligence, at the interface between mathematics and computer science. It is aimed at teaching machines to complete certain tasks, often predictive, based on large amounts of data. Text, image and voice recognition technologies are also used to develop search engines and recommender systems …

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What are turbo codes?

Trubo codes, Claude Berrou, Quèsaco, IMT Atlantique

Turbo codes form the basis of mobile communications in 3G and 4G networks. Invented in 1991 by Claude Berrou, and published in 1993 with Alain Glavieux and Punya Thitimajshima, they have now become a reference point in the field of information and communication technologies. As Télécom Bretagne, birthplace of these …

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What is Augmented Reality?

Pokémon Go, Télécom SudParis, Marius Preda, Augmented reality

Since its launch, the Pokémon Go game has broken all download records. More than just a fun gaming phenomenon, it is above all an indicator of the inevitable arrival of augmented reality technology in our daily lives. Marius Preda, a researcher at Télécom SudParis and an expert on the subject, …

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What is a Blockchain?

Blockchain, Patrick Waelbroeck, Télécom ParisTech

Blockchains are hard to describe. They can be presented as online databases. But what makes them so special? These digital ledgers are impossible to falsify, since they are secured through a collaborative process. Each individual’s participation is motivated by compensation in the form of electronic currency. But what are blockchains …

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