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The toughest challenge yet for general relativity.
United Arab Emirates (USA) plans to land unmanned spacecraft on the Moon in 2024. including an exploration rover. Recently, the US launched a probe into Mars orbit, so We must not underestimate their objectives.
Israel also tried it in 2019, without success, so if the US succeeded it would become the fourth country to do so, after the United States, the Soviet Union and China.
The mission
The lunar rover will be called "Rashid", in honor of one of the founders of the United Arab Emirates. The explorer will be designed and built in the United Arab Emirates by an Emirati 100% team of engineers, experts and researchers.
A team of Emirati engineers, researchers and experts from the MBRSC is working to complete the Lunar Rover design by 2021. The rover will be manufactured in 2022, while preliminary experiments and testing of the prototype are expected to begin in 2023. The Center aims to launch the Lunar Rover by 2024, setting another record in its growing list of achievements in the space sector.
The Emirati lunar rover will land on an area of the Moon's surface that has not been explored by any of the previous lunar exploration missions. The Lunar Rover will be equipped with cutting-edge technology which includes a 3D camera, an advanced motion system, sensors, a communication system and will be powered by solar panels.
The explorer will also include an advanced movement system to improve the efficiency of wheel movement of the Lunar Rover on the Moon.
The mission will consist of a series of measurements and tests that will expand human understanding of lunar plasma, photoelectrons and dust particles located on the illuminated part of the lunar surface.
A variety of materials will also be tested and their interaction with the Moon studied.
The Moon is considered an ideal platform for testing new technologies and equipment that can be used in future space exploration missions, including Mars. Landing on the Moon also allows for long-term exposure of sensors and other technologies to the space environment.
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The news
In 2024, a fourth country wants to explore the Moon: United Arab Emirates
was originally published in
Xataka Science
by
Sergio Parra
.
Researchers at Cornell University They have analyzed 38 million articles about the coronavirus pandemic in English-language media around the world.
Mentions to the president donald trump They accounted for nearly 38% of overall misinformation, making the president the largest driver of pandemic-related falsehoods.
Fake News
Researchers sought to identify all mentions of misinformation in 'mainstream media'. They included fact-checking articles that corrected misinformation in their total count.
The study identified 11 topics of misinformation, including several conspiracy theories, such as one that emerged in January suggesting the pandemic was manufactured by Democrats to coincide with Trump's impeachment, and another that sought to trace the initial outbreak in Wuhan, China, to people who ate soup of bat.
But by far the most prevalent topic of misinformation was 'miracle cures', including Trump's promotion of anti-malaria drugs and disinfectants as potential treatments for Covid-19. That represented more misinformation than the other 10 topics combined.
For example, on April 24, a day after Trump floated the idea that disinfectants and ultraviolet light could treat Covid-19, there were more than 30,000 items in the 'miracle cures' category, compared to less than 10,000 just days before. According to the study researchers, this growth of misinformation was due to Trump.
The Cornell Alliance for Science, which led the study, is a nonprofit organization dedicated to using science to improve food security and environmental sustainability. One of its goals is to promote science-based decision making. With Trump, it seems, they are going to have a lot of work ahead of them.
The study also found that conspiracy theories, when grouped together, accounted for 46 % of mentions of misinformation.
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The news
The “most important factor” of misinformation in English about the coronavirus is Donald Trump
was originally published in
Xataka Science
by
Sergio Parra
.
It doesn't matter that the planet is increasingly in environmental danger, or that we are already riding the second wave of a global pandemic that could condemn us to years or decades of poverty, people continue to have children. So we have to wonder if having children really provides enough happiness to ignore those details.
The answer is ambiguous: at first, according to this study suggests, Yeah. Having children is like treating yourself to any big whim: a trip, a new car, etc. However, there are some considerations to keep in mind: If there are financial problems, the child does not bring more happiness.
The happiness of the first years
If there are financial difficulties associated with the children, having them does not increase parents' happiness significantly. Furthermore, even if it does, once the children are over ten years old, the added happiness effect recedes a little, especially in adolescence: we do not know if because the children become more unbearable or because the novelty effect is left behind. .
In the study, published in Journal of Population Economics, also point out that not all children are equal, and stepchildren They tend to have a more negative correlation than the children of the current relationship.
To carry out the study, international data was taken into account, including more than one million observations on Europeans during 11 years of Eurobarometer surveys.
Other studies suggest that having children does not necessarily increase net happiness; Even, on average, having children means being less happy than not having them because we do not control all the problems that may arise, as explained Gary Marcus in his book Kluge:
Although the climaxes (“Daddy, I love you”) can be spectacular, on a day-to-day basis, most of the time spent caring for children is simply work. In “objective” studies that ask subjects about their level of happiness at random times, childcare (a task with a clear adaptive advantage) oscillates somewhere between housework and television, well below sex and cinema. Luckily, from a species perpetuation perspective, people tend to remember (intermittent) climaxes better than the drudgery of daily diapers and chauffeur service.
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The news
Having children only increases your happiness if you can pay the bills (and up to 10 years of age).
was originally published in
Xataka Science
by
Sergio Parra
.