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      <title> Presentation review by LiuQianyi</title>
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      <pubDate>2017-11-26 17:03:50 UTC</pubDate>
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         <title>Church that Worships AI God May Be the Way of the Future</title>
         <author>347982321</author>
         <link>https://padlet.com/347982321/znh168a5w11j/wish/210166101</link>
         <description><![CDATA[<div><br>You might soon be able — if you're so inclined — to join a <mark>bonafide</mark> church worshiping an artificially intelligent god.&nbsp;</div><div><br>Former Google and Uber engineer Anthony Levandowski, <a href="https://www.wired.com/story/god-is-a-bot-and-anthony-levandowski-is-his-messenger/">according</a> to a recent Backchannel profile, filed paperwork with the state of California in 2015 to establish Way of the Future, a nonprofit religious corporation dedicated to worshiping AI. The church's mission, according to paperwork obtained by Backchannel, is "to develop and promote the realization of a Godhead based on artificial intelligence and through understanding and worship of the Godhead contribute to the <mark>betterment</mark> of society."<br><br></div><div>The documents show Levandowski is CEO and President of Way of the Future. Presumably there was no option for High Priest. <br><br>Author and religious studies scholar Candi Cann, who teaches comparative religion at Baylor University, said Levandowski's spiritual initiative isn't necessarily that odd from a historical perspective. <br><br>"It strikes me that Levandowski's idea reads like a quintessential American religion," Cann told Seeker. "LDS [The Church of Jesus Christ of Latter-day Saints] and Scientology are both distinctly American traditions that focus on very forward thinking religious viewpoints. LDS discusses other planets and extra-<mark>terrestrial</mark> life. Scientology has an emphasis on <mark>therapy</mark> and a psychological worldview, which is quite modern and forward thinking."<br><br>A former friend and colleague of Levandowski quoted by Backchannel provides some insights to the would-be church leader's views on robots and artificial intelligence.&nbsp;<br><br></div><div>"He had this very weird motivation about robots taking over the world — like actually taking over, in a military sense," an unidentified engineer and former friend told the publication. "It was like [he wanted] to be able to control the world, and robots were the way to do that."<br><br><sub>bonafide：authentique，善意<br>terrestrial：terrestre，陆生<br>therapy:thérapie,治疗<br>betterment: amélioration,改善<br></sub><br></div>]]></description>
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         <pubDate>2017-11-26 17:14:19 UTC</pubDate>
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         <title>Secret Chamber? Cosmic Rays Reveal Possible Void Inside Great Pyramid</title>
         <author>347982321</author>
         <link>https://padlet.com/347982321/znh168a5w11j/wish/210167988</link>
         <description><![CDATA[<div><br>A large void has been discovered inside the Great Pyramid of Giza, thanks to <mark>cosmic</mark> rays. If the large space turns out to exist, its function — which could be anything from new chamber to sealed-off construction passage — is likely to be the source of much <mark>archaeological </mark>debate.  <br><br></div><div>An international group of researchers reported today (Nov. 2) in the journal Nature that by tracking the movements of <a href="https://www.livescience.com/54596-pyramid-interior-revealed-using-cosmic-rays.html">particles called muons</a>, they have found an empty space more than 98 feet (30 meters) long that sits right above the granite-walled Grand Gallery within the massive pyramid. The <a href="https://www.livescience.com/22621-pyramids-giza-sphinx.html">Great Pyramid</a>, also known as Khufu's pyramid, was built during that <mark>pharaoh's</mark> reign between 2509 B.C. and 2483 B.C. No new rooms or passages have been confirmed inside the pyramid since the 1800s.</div><div><br>"The void is there," said Mehdi Tayoubi, the president of the organization Heritage Innovation Preservation and a leader of the ScanPyramids mission, an ongoing effort to bring new technology to bear on Egypt's most famous structures. <br><br>However, the announcement met some <mark>skepticism</mark> within the Egyptology community.<br><br></div><div>"It's very clear what they found as a void doesn't mean anything at all. There are many voids in the pyramid because of construction reasons," said Zahi Hawass, an Egyptologist and former Egyptian minister of antiquities and director of excavations at Giza, Saqqara, Bahariya Oasis and the <a href="https://www.livescience.com/37740-luxor.html">Valley of the Kings</a>.<br><br>"The void can be another chamber or a gallery, an<mark> aerial</mark> shaft, or an architectural fault that was sealed off," said Monica Hanna, an archaeologist, <mark>Egyptologist</mark> and founder of Egypt's Heritage Task Force, which focuses on protecting ancient sites. Hanna said <mark>nondestructive</mark> methods of studying the pyramids were a valuable way to investigate the original design of the pyramid without having to destroy parts of the structure.</div><div><br><sup>cosmic: cosmique,宇宙的<br>nondestructive:non destructif,无损<br>Egyptologist: égyptologue,埃及古物学者<br>aerial: aérien天线<br>skepticism: scepticisme,怀疑论<br>pharaoh:pharaon,法老<br>archaeological :archéologique,考古学的</sup></div><div><br></div>]]></description>
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         <pubDate>2017-11-26 17:25:22 UTC</pubDate>
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         <title>Good News on Warming: Ozone Hole Is Smallest Since 1988</title>
         <author>347982321</author>
         <link>https://padlet.com/347982321/znh168a5w11j/wish/211185938</link>
         <description><![CDATA[<div><br>Good News on Warming: Ozone Hole Is Smallest Since 1988<br>The ozone hole over Antarctica shrunk to its smallest maximum-extent in September 2017. Here, in this false-color view of the monthly-averaged total ozone the blue and purple indicate areas with the least ozone, while yellows and reds mean the most ozone.<br>Credit: NASA<br>Higher temperatures over Antarctica this year shrank the hole in the ozone layer to the smallest it's been since&nbsp; &nbsp; 1988.<br><br>The ozone hole is a <mark>depletion </mark>of ozone gas (O3) in the <mark>stratosphere</mark> above Antarctica. The three-oxygen molecule is toxic at ground level, but high in the atmosphere, it deflects dangerous <mark>ultraviolet</mark> rays from reaching Earth's surface.<br><br>In 1985, scientists first detected the hole in the ozone layer and realized it was being caused by man-made <mark>chlorine</mark> and <mark>bromine</mark>, often found in chlorofluorocarbons (CFCs), compounds used as refrigerants. In 1987, the Montreal Protocol initiated the <mark>phase-out </mark>of these chemicals. As they gradually leave the atmosphere, the ozone hole will heal, and scientists expect it to return to 1980s size by 2070.<br><br>Higher temperatures in the stratosphere, on the other hand, allow ozone to remain more stable in the atmosphere, meaning they keep the ozone hole smaller on a year-to-year basis. This year on Sept. 11, NASA measured the maximum extent of the hole at 7.6 million square miles (19.6 million square kilometers), 2.5 times the size of the United States.<br><br></div><div>That was smaller than in 2016, when the maximum extent was 8.9 million square miles (22.2 million square km), also a below-average size. According to NASA, the average maximum extent of the ozone hole since 1991 has <mark>hovered </mark>at about 10 million square miles (25.8 million square km).<br><br><br><sup>HOVER:flotter,徘徊<br>PHASE-OUT: la suppression progressive &nbsp; 淘汰<br>ULTRAVIOLET:ultra-violet,紫外线<br>chlorine: chlore,氯<br>bromine: brome,溴<br>stratosphere: stratosphère,平流层<br>depletion： épuisement，消耗</sup><br><br></div>]]></description>
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         <pubDate>2017-11-28 21:37:30 UTC</pubDate>
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         <title>Amazing Physics: How 245 People Jumped Off a Bridge at Once — and Survived</title>
         <author>347982321</author>
         <link>https://padlet.com/347982321/znh168a5w11j/wish/211283441</link>
         <description><![CDATA[<div><br>A group of 245 Brazilian <mark>daredevils </mark>recently set a record when they performed a harrowing feat: In one jump, all together, they launched themselves off the edge of a bridge and swung down toward the water. Of course, they were attached to swinging ropes, but even so, the group jumping achievement was not for the faint of heart.<br><br>Luckily, they had physics on their side. And while <a href="https://www.youtube.com/watch?time_continue=53&amp;v=WtVtawsq8HU">coordinating that many people to jump at once</a> was <mark>tricky,</mark> the physics involved are relatively straightforward and related to <a href="https://www.livescience.com/52628-simple-harmonic-motion.html">pendulums</a>.</div><div><br>Unlike<mark> bungee</mark> jumpers, those 245 daredevils weren't relying only on the elasticity of the ropes to absorb the kinetic energy, Carlos Torija Muñoz, a Spanish rope jumper and ski instructor, told Live Science. (Climbing rope has some stretch, but not nearly as much as bungee cord.) They were also relying on pendulum-like swinging, which kept the forces the jumpers experienced manageable. <br><br>For example, attached to a single rope, a falling person accelerates at about 32 feet (9.8 meters) per second squared. At the end of the rope, the person stops almost instantly — in a fraction of a second — and the change in <mark>velocity</mark> is huge. A person falling a distance of about 150 feet (46 m) would be moving at about 70 mph (113 km/h). Stopping in a tenth of a second means feeling about 32 times the acceleration of gravity, which is survivable, but not unlike getting hit by a car.<br><br>It's very difficult to set up a rope-jumping system, and it's best left to experts. The changes in force on a rope are large, which requires good anchors. For the static and dynamic lines to absorb the force from a jumper swinging, Tarzan-like, and keep the jumper from suffering internal injuries or broken ribs, the anchors work in tandem with pulleys to adjust the tension on the rope. In videos from rope-jumping groups, the elaborate setup is difficult to see and can give the impression that it is simpler than it really is.<br><sub><br>velocity:rapidité,速度<br>&nbsp;bungee:bungee,蹦极<br>&nbsp;tricky：difficile，狡猾<br>&nbsp;daredevils ：casse-cou，冒失鬼</sub><mark><br></mark><br></div>]]></description>
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         <pubDate>2017-11-29 08:22:42 UTC</pubDate>
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