The sky-blue exoplanet HD 189733b is 63 light-years away, a team of astronomers has just confirmed. Its bluish color is not due to large masses of water, as in the case of the Earth, but to the silicates that make up its atmosphere and that disperse the blue color giving it that chromatic tone similar to that of our planet.
Thanks to the Hubble Space Telescope, astronomers have been able to find out the true color of a planet orbiting a star other than the Sun. HD 189733b is a celestial blue color, chromatically similar to the appearance of the Earth seen from the outside. Are they alike in something else?
In the laboratories of the MT Media Lab, engineers and scientists working in the Mediated Matter group are developing a new form of 3D printing that uses a six-axis robotic arm to print thermoplastics in air that are solidified with the help of cold air. once launched, which allows creating geometrically very complex structures and without the need for support structures. And they have also developed printers of buildings, models, psychedelic clothing ... We show you.
New observations in the microwave range carried out with the ALMA array (Atacama Large Millimeter / submillimeter Array) have provided astronomers with the best view yet of a gigantic star in the process of formation inside a dark cloud. known as the Spitzer Dark Cloud (SDC) 335.579-0.292. The embryonic star, located about 11,000 light-years away, greedily devours the material that falls into the cloud. It is believed that this cloud will give birth to a very bright star, with more than 100 times the mass of the Sun. Only one in ten thousand of all the stars in the Milky Way reach such a mass.
The international definition of the second as a unit of time could be about to change thanks to the development of a new type of advanced atomic clock that has more precision and stability than current ones. Jérôme Lodewyck and his colleagues at the Paris Observatory have shown that so-called Optical Lattice Atomic Clocks (OLCs) could offer a more precise and stable measure of the unit of time, as published in the journal Nature Communications. .
Science has shown that the popular belief that men are better than women when it comes to orientation is not entirely far-fetched. Specifically, the neurologist Matthias Riepe, from the University of Ulm (Germany), scanned the brains of a dozen men and a dozen women while looking for a location in an unfamiliar space. And he observed that while they took an average of 2 minutes and 22 seconds, it took them 3 minutes and 16 seconds to find the same path.
The economic crisis has drastically reduced the birth rate in Europe over the last decade. As can be seen from a study carried out by the Max Planck Institute for Demographic Research (Germany), the greatest effect is seen in young adults, under 25 years of age, which indicates that in these ten years the age chosen for form a family in the face of the uncertain situation of the labor market, especially in young couples who have not yet had their first child, according to the authors of the work in the journal Demographic Research.
Danni Büchner is invited to Sam Dylan's Halloween party. But the "Goodbye Germany" emigrant has no desire for many other party guests. And find clear words.
