May 28, 2022

200 years ago, Fresnel revolutionized optics

INFOGRAPHICS – In 1822, Augustin Fresnel presented a lens that would revolutionize maritime signalling. By channeling light into a narrow beam, his invention dramatically increases ...
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UNESCO launches a program to map 80% of the seabed

Just over one-fifth of the ocean floor features are accurately known, especially near the shore, in the first few hundred kilometers around the coastline and ...
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Marine protected areas, not very effective against accidental captures

DECRYPTION – According to the researchers, these static zones are less and less suitable for limiting these captures. The demand for aquatic foods could double ...
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Global warming: will entire countries disappear under water by 2050?

THE CHEKING PROCESS – This is what the Socialist presidential candidate predicted in a recent speech. THE QUESTION – During a speech delivered at the ...
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Glacier melting is accelerating around the world

DECRYPTION – Before the publication of the IPCC report, several studies already provide a worrying mapping of the state of the melting of glaciers. But ...
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