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袁州区妇幼保健院激光去痣多少钱

2017年12月12日 23:46:29    日报  参与评论()人

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宜春市人民医院下巴内收鼻翼内收术悬吊除皱法价格Youre hiking through the Rockies one day when you hear a low, ominous rumble. Landslide! Hundreds of tons of rock and soil are careening toward you at enormous speed.一天,你徒步在岩石堆中穿行,这时你听到一阵低低的隆隆声,势头不妙。是山体滑坡!上百吨的岩石和泥土以极快的速度朝你倾泻下来.Fortunately, theres a helicopter nearby and you lift off just in time to escape unharmed. But now you notice something odd. After the landslide has gone by, in its tracks little dainty flowers are still standing. Blades of grass are unbent. How is this possible?幸运的是,附近有架直升飞机,你及时乘飞机起飞,逃过了这一劫。但你却注意到了一些奇怪的现象。滑坡结束后,美丽的花朵依旧挺立在石块冲刷过的地方,小草也没有被低下头来,是什么让这些植物还能生存下来呢?Before we tell you the answer, heres another question. What happens when you drop a book flat onto a table?在我告诉你之前,先问你另一个问题。如果你将一本书水平扔到桌面上,会发生什么呢?If you try it, youll see that the book doesnt hit the table unimpeded, but lands on a little cushion of compressed air. If you dont believe us, try putting some little pieces of paper on the table before dropping the book. The whoosh of compressed air escaping will blow them off.试一下,你会发现书在撞击桌子的时候遇到了阻碍,落在了压缩空气形成的缓冲垫上。如果你不相信,你可以先在桌上放一些小纸片,再将书抛下去。受压的空气向外逃出,呼啸着将纸片吹走.Thats the same phenomenon that happens with landslides. When an enormous sheet of rocks and dirt gets moving, it acts like a solid object. It traps the air underneath it and actually rides downhill on a cushion of air. Strange as it may seem, much of the landslide never touches the ground at all.这与山体滑坡时发生的现象相同。当巨大的泥石移动的时候,它们的行动就像一个固体。它将空气压在下面。实际上,其实它是在一个气垫上滚下去的。尽管看上去有点怪,但大多数山体滑坡从不会接触到地面。Because the cushion of air stays underneath it, the rocks and dirt arent slowed down by friction much and continue picking up speed as they fall. Large landslides have been clocked in excess of 100 miles an hour.由于空气垫的作用,岩石和泥土并没有受到很大擦力而减速下滑,相反它们会不停地加速。规模大的山体滑坡时速超过100英里每小时.So—could you just lie down and let the landslide whoosh over you? No, unless you are about the size of a blade of grass. People who are bigger than that should keep a helicopter handy. 因此,你会躺下来,让滑坡从你身上越过吗?绝对不行。除非你只有草叶般大小。比草叶体积大的人类应该保身边有一架直升飞机。201206/185527宜春人民医院衡力瘦脸针果酸换肤果酸去痘坑多少钱 靖安县哪家医院开眼角技术好

宜春脱毛价钱Time go again to the A Moment of Science mailbag. A listener writes: Dear A Moment of Science, Is it OK to drink urine? Not that I want to, Irsquo;m just curious. Well, the short answer is yes if yoursquo;re trapped somewhere without water, you can drink your own urine, or even someone elsersquo;s, in order to survive a little longer. But wait. Besides the fact that drinking urine is kinda gross, doesnrsquo;t it contain chemicals the bodyrsquo;s trying to get rid of? Isnrsquo;t that the whole point of urinating? Yes, but Urine is still safe to drink in the short term. Normally, urine is about 95 percent water and only five percent waste minerals such as excess potassium and calcium. So at least at first, drinking urine isnrsquo;t that different from drinking water.又到了《科学时间》节目。一位听众写道:尊敬的《科学时间》,真的能喝尿吗?我并不像那么做,我只是好奇。粗俗的问题。是肯定的,如果你被困在某处,没有水喝,那你可以喝自己的尿液,甚至是别人的,为了延长生存时间。但是,等一下。除了喝尿是有点粗俗外,尿液含有的化学物质不正是身体要排除的吗?那是尿液的关键吗?是的,但在短期内尿液仍然可以安全饮用。通常情况下,尿约含有95%的水,只有百分之五的废物,比如多余的钾和钙矿物。因此,至少在初期,喝尿和喝水没有太大的区别。201201/168521 Once all the kinks in this computerized cooking are worked out, your Fabber may become an essential kitchen appliance. And expectations for the device dont stop there.一旦所有突发奇想都实现,电脑控制的烹饪系统被计算出来,那么Fabber将变成你厨房里不可或缺的家电。对这些设备的预期还远远没有结束。;This is a very universal type of technology thats applicable to a wide variety of things, and it is conceivable that you could print even large things such as cars or houses.;“这是一类很普遍的技术,适用于各式各样的事物。可想而知,你能“打印”巨大的物体,例如汽车或者房子。”While printing your own house seems like a stretch, your Fabber could download and print the latest must-haves for your home and eliminate the need for replacement parts. You will be your own factory and builder. And with the Fabber, youll never again have to make that last-minute run to the home-improvement store.“打印”房子,这听起来似乎有点不真实,但Fabber会帮你“下载”并“打印”出房屋的必需品,并且一次到位不需要再更换材料重修。就像是你自己成立的工厂,而自己就是工厂工人。有了Fabber,你就再也不用花费精力奔向装修市场。You could imagine in the future where you shop online for items, and once you find what you want, youll essentially purchase the blueprint and print the device youve purchased on your own desk at home.可以想象在盛行网购的未来世界里,当你发现你想要的东西时,只要购买产品的蓝图,就能在自家桌面上打印出那个设备。Futuristic homes, humanoid robots, superhuman powers all represent science fiction fantasies come to life.未来的房屋,类人机器人,超能量都代表着科幻小说变成现实。And those fantasies are not limited to earth. Your future home may actually have a lot fewer objects than today, thats because the objects you have will be infinitely more flexible. A chair will morph into a shears, or anything else you want, through a new technology known as claytronics.这些幻想并不仅仅局限于地球。在你未来的家里,家具可能比现在少得多,那是因为家具会变得无限灵活。通过一项新的科技(即claytronics),一把椅子可能演变成一把大剪刀,或者其它你想要的事物。Claytronics is essentially gonna create a new media type. Way back from the telephone, weve had audio which allowed us to send voice; and then we had which allowed us to send voice and pictures. So, with claytronics, the idea is we can send not just sound and picture, but actually the 3-D shape itself.Claytronics本质上是要创建一种新型的媒体。跟电话的原理一样,有了音频我们可以传递声音;然后出现了视频,让我们可以传递声音和图片。因此claytronics的理念是不仅可以传递声音和图片,还能传递3D空间。Seth Goldstein, a professor at Carnegie Mellon, is one of the developers of claytronics.卡内基梅隆大学的教授塞斯#8226;高德斯坦是claytronics的创始人之一。原文译文属!201208/193300丰城妇幼保健院颧骨颧弓颧部全面价格宜春祛腋毛手术

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