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sanzida aktar
Jul 14, 2022
In General Discussions
Lo Chun-yang (Lecturer, General Education Foundation Course, Chinese University of Hong Kong) Photo: Radio Television Hong Kong A lone traveler walked in the dark ocean, hurried to the Dragon Palace in the dark, and took a mysterious box from there and brought it back to the ground - please don't get me wrong, this does not describe the adventure of Urashima Taro. It describes a space exploration operation that took place in reality and started six years ago. "Ryugu", whose full name is (162173) 1999 JU3, is an asteroid that was discovered by humans in 1999. It belongs to the Apollo-type asteroid group and is a potentially hazardous object orbiting the sun and orbiting very close to the Earth. In addition, it is also a C-type asteroid. The characteristics of C-type asteroids are that the surface is dark and difficult to observe, which is naturally more worrying. But while near-Earth asteroids are a threat, they are also a treasure trove of scientific research. It can give us a better understanding of how planets form, and even help us understand how life arose. Among them, C-type asteroids have a great relationship with the research on the origin of life. C-type asteroids are not only composed of large amounts of carbon compounds, but they also carry cold particles or water molecules from time to time. These compounds are essential for the development of life. If we can conduct field investigations on C-type asteroids, and even collect samples from them for analysis, it may give us a more comprehensive understanding of the formation of the solar system and the emergence of life. This is the main reason why Hayabusa2 set sail for Ryugu. Hayabusa2 is a space probe developed by the Japan Aerospace Exploration Agency (JAXA). The space agency sent Hayabusa (the predecessor of Hayabusa 2) to asteroid 25143 for survey in 2003, and arrived at its destination in 2005. Hayabusa successfully completed the first human landing on an asteroid, collecting material, and bringing the material back to Earth.
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sanzida aktar
Jul 14, 2022
In General Discussions
Digital communications and information technology affect how people perceive their place in the world and how they relate to others, and also define the way we interact with the world." Oxford University professor of philosophy Luciano Floridi believes that with the development of information technology , human beings are entering the fourth decentralization [1] (de-centering shifts) in history . French philosophers in the 17th century believed that humans are the only species that can perform calculations and reasoning based on information. However, in order to make life easier, data science also entrusts a lot of the work of selecting and processing information to computer agents (agents). Social media photo background removing algorithms automatically push posts and videos to audiences, so that humans are no longer at the center of the infosphere. Despite this, people still have to rely on information to know what is happening in the world around them. Therefore, when governments and large corporations have control over the information circle, they can conduct social manipulations according to their will, and the development of data science has enabled social manipulations to permeate comprehensively. people's daily life. What is social manipulation? The means of manipulating information to influence audiences to achieve specific goals are called differently in various fields, such as information warfare and cognitive warfare. The US think tank RAND uses hostile social manipulation to describe the purposeful and systematic production and dissemination of information to influence audience attitudes and behaviors, thereby attacking the political, economic and social structure of a target area. Social manipulation through data science typically has three qualities: Using algorithms and big data analysis to achieve computational propaganda that shapes public opinion Weaponizing the digital influence machine Advertising contains content that provokes negative emotions in the audience for fake news, conspiracy theories, etc. 70 countries around the world have "computing promotion" activities According to a 2019 Oxford University study, 70 countries around the world, including Taiwan, can find traces of government computing propaganda, an increase of nearly 2.5 times compared to only 28 countries in 2017. Most of the manipulators use computing propaganda to manipulate domestic public opinion.
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