Qu'est-ce qu'une “technosignature” ?

La métrologie, c’est la science de la mesure. Dit comme ça, cela paraît abstrait, voire anodin. Pourtant, sans elle, rien ne fonctionne : ni l’industrie, ni le commerce, ni la médecine, ni même le numérique. C’est elle qui garantit que le temps, le poids, la température, la tensi ... Show More

Imaginez une balle posée contre un mur vertical. À l’arrêt, elle tombe. Classique. Mais maintenant, imaginez qu’elle commence à grimper toute seule, lentement mais sûrement, sans moteur, sans aimant, sans trucage. Ça semble impossible ? Et pourtant, c’est ce qu’ont réussi des che ... Show More

Tout le monde ou presque en a fait l’expérience : une balade en forêt, un frottement léger contre une plante anodine… et soudain, une brûlure, des démangeaisons, parfois des petits boutons rouges. Pas de doute : vous venez de croiser une ortie. Mais pourquoi cette plante, a prior ... Show More

The influential astronomer led the hunt for extraterrestrial signals and helped make the field of astrobiology what it is today. 

Mankind doesn't just send rockets or space probes into space. In fact, many unexpected objects have been launched into space, all for the sake of science. See acast.com/privacy for privacy and opt-out information. Hosted on Acast. See acast.com/privacy for more information. 

The Kepler Telescope has detected hundreds of exoplanets in our galaxy. What's the story behind it and how does it work? Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information. 

Astronauts left over a hundred items on the moon's surface. But are today's telescopes powerful enough to see what's there? Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information. 

Daniel talks about how astronomers can measure or deduce the mass of a star, and why it controls its fate. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information. 

Daniel and Jorge talk about how megaconstellations of satellites might spoil our view of the Universe. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information. 

Astronauts have left over a hundred items on the moon's surface. Learn what telescopes are powerful enough to spot them in this classic episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy informati ... Show More

Scientists are constantly searching for asteroids that could crash into Earth. But if they find one, will they be able to do anything about it? NASA has launched a spaceship that will slam into an asteroid to find out.For more, go to http://vox.com/unexplainableIt’s a great place ... Show More

En ces temps incertains, préserver la vie sur Terre passerait pour certains scientifiques, par l'envoi d'échantillons de toutes sortes sur la Lune. Voir Acast.com/privacy pour les informations sur la vie privée et l'opt-out. Hébergé par Acast. Visitez acast.com/privacy pour plus ... Show More

Since the Kepler telescope went online, astronomers have found there may be an estimate 40 billion planets like Earth in the Milky Way galaxy alone. What does it take for a planet to be considered Earth-like? Learn more about your ad-choices at https://www.iheartpodcastnetwork.co ... Show More