This technology uses solar energy…in the middle of the night!

Des chercheurs de l’université de Nouvelle-Galles du Sud (Australie) montrent comment une diode thermoradiative peut exploiter le rayonnement infrarouge pour produire de l’électricité. © martinlisner, Adobe Stock

Let’s say it right away. The amount of electricity generated is very small. About 100,000 times less than you can expect from a conventional solar panel. But the idea is perhaps worth considering in spite of everything. Especially since the Researchers from the University of New South Wales (Australia) hope they can improve the technology. … Read more

Reindeer. Weekly Ecolo, citizen mobilization to save the planet!

hebdo ecolo rennes

The Union Green Week has been committed to ecological progress for two years by combining ecology, pollution, awareness and social cohesion. With a dozen French and European branches, it offers citizen mobilization, in particular through the collection of cigarette butts. To date, 750,000 cigarette butts have been collected, 350 million liters of water saved by … Read more

China wants a space telescope to search for planets like Earth

Vue d'artiste d'une exoplanète de type terrestre. © Nasa, Ames, JPL-Caltech, T. Pyle

Explore interviews with researchers, photographers and travelers who witness a world changing under the yoke of global warming. You will also be interested [EN VIDÉO] Interview: What is an exoplanet? The question of exoplanets is very old in astronomy. Their existence was first indirectly witnessed in the 1990s: Futura-Sciences met Jean-Pierre Luminet, a renowned astrophysicist, … Read more

Which planet is closest to the sun?

Planète Mercure en image

Mercury is one of eight planets that make up our solar system. This planet is not only closest to the sun, but also the smallest of the planets. Our solar system has eight planets orbiting the sun. Classified by the distance separating them from our star, the telluric planets solid surface are Mercury, Venus, Earth … Read more