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42 search results for: atmosphere

21

Putting sound and images into words

Can videos be turned into text? MeMAD, an H2020 European project launched in January 2018 and set to last three years, aims to do precisely that. While such an initiative may seem out of step with today’s world, given the increasingly important role video content plays in our lives, in reality, it addresses a pressing […]

22

What is a supercritical fluid?

Water, like any chemical substance, can exist in a gaseous, liquid or solid state… but that’s not all! When sufficiently heated and pressurized, it becomes a supercritical fluid, halfway between a liquid and a gas. Jacques Fages, a researcher in process engineering, biochemistry and biotechnology at IMT Mines Albi, answers our questions on these fluids […]

23

Will the earth stop rotating after August 1st?

By Natacha Gondran, researcher at Mines Saint-Étienne, and Aurélien Boutaud. The original version of this article (in French) was published in The Conversation. [divider style=”normal” top=”20″ bottom=”20″] [dropcap]I[/dropcap]t has become an annual summer tradition, much like France’s Music Festival or the Tour de France. Every August, right when French people are focused on enjoying their […]

25

What is a volatile organic compound (VOC)?

Pollution in urban areas is a major public health issue. While peaks in the concentration of fine particles often make the news, they are not the only urban pollutants. Volatile organic compounds, or VOC, also present a hazard. Some are carcinogenic, while others react in the atmosphere, contributing to the formation of secondary pollutants such […]

26

Watermarking: a step closer to secure health data

In the near future, watermarking data could be the best traceability technique in the healthcare domain. It involves hidding information into medical images with the aim at reinforcing data security for patients and healthcare professionals. After being developed for nearly ten years in the laboratories of IMT Atlantique and Medecom, watermarking has now reached a […]

27

Debate: carbon tax, an optical illusion

Fabrice Flipo, Télécom École de Management – Institut Mines-Télécom [divider style=”normal” top=”20″ bottom=”20″] [dropcap]T[/dropcap]he climate is warming and changing: we must act. On the French version of the website The Conversation, climate change specialist Christian de Perthuis recently applauded the introduction of the carbon tax in France in 2014 and its gradual increase. Referring to […]

29

What are fine particles?

During peak pollution events, everyone is talking about them. Fine particles are often accused of being toxic. Unfortunately, they do not only come out during episodes of high pollution. Véronique Riffault, a researcher in atmospheric sciences at IMT Lille Douai, revisits the basics of fine particles to better understand what they are all about.   […]

30

Millimeter waves for mobile broadband

5G will inevitably involve opening new frequency bands allowing operators to increase their data flows. Millimeter waves are among the favorites, as they have many advantages: large bandwidth, adequate range, and small antennas. Whether or not they are opened will depend on whether they live up to expectations. The European project H2020 TWEETHER is trying […]