访拨云寺记
Aug 8th
罗浮山亦谓之东樵,居羊城东二百里,古冠仙山之名,尝兴九观十八寺,故游人如织。今之游者,多经鹅城上下,不及罗浮之阴。叶子尝二临是山,亦由鹅城上下,未指异之。丁亥年间,闻后山有一拨云寺,居一仙人,自号野猫,饮甘露泉水,食野果仙草,不尝人间烟火,不问凡间世事,惊异之余,乃思寻访,然皆不得道。再越明年,客由香江来,与登罗浮巅,见石碑书“拨云寺由此”者,说仙人之事,客亦惊异之,遂因碑寻寺也。
沿山阴行,竹林荫翳,吾若水底之鱼,虽上有疾风而不察焉。石径所履,时有时无,水声潺潺,鸟声啾啾,百步九蛇,峰回路转,皆叹此良景,而不见寺。约莫半时辰,乃有小桥,路转溪头,忽见拨云。但不见高檐俊坊,香烟袅袅,惟女墙残破,野草丰茂。思来途也,山景甚妙,而寺竟如此,二人觑然。
拨云无门,小扣之境无所置,乃久候而待犬唤人出,视之,头发散乱,轻装便履,不似僧也,问其“仙人野猫”何在,答曰正是,愕然欲走。然其文质彬彬,言和意善,疑遂解,与入。
仙人邀二人坐品山茶,书“风狂雨大众鸟飞尽,云深雾锁只有拨云”,批“清静无为”。叶子曰:“拨云非佛法之地耶?君长发便装,奉清静无为者,非道家所执耶?”仙人对曰:“汝亦知夫罗浮山茶乎?夫是茶也,产山野之间,我不闻不问,但取之而饮,其甘且冽,无农药之忧;夫斯菜也,产山野之间,我不闻不问,但取之而食,其鲜且翠,无农药之忧。此二者,漫山遍野,夏采而春生,纵我饮食而无穷尽也;而盖山下茶商之何如?盖争相夸其自然之属,促其所销,然其名号也虚,其毒也实,盖可笑也已!夫彼与彼之大寺也,香火鼎盛,僧多亦岸,此供游人之所赏也,安知其实乎?吾尝六合为家,四海而游,访诸名寺,拜师求教;然闻其虚,观其实,其皆冠财之徒也!悲乎末法佛道之不存,因缘而来罗浮,居二十载,晨钟暮鼓,萃习经典,不问其源,既得修身养性其实,何较发装名号之其虚?是拨云之寺,中法大唐之所立,千载悠悠,居深山而寡来客,不问香火,不计名利,不较表露,须清静无为之士方可侍奉。汝观是寺,居罗浮之巅,寡肩踵之类,花世界,树菩提,皆繁盛也;然尝有众僧,乘兴而来,居三五旬,乃败意而去,何也?难耐风狂雨大之险恶,云深雾锁之静寞,清淡之极而思喧嚣者也!故曰‘风狂雨大众鸟飞尽,云深雾锁只有拨云’。”
叶子再揖,曰:“君所言极是也。余观夫游者,皆由鹅城而来,乘索道而上,而抵伏虎。夫伏虎者,半山一岩也,至罗浮之巅尚不足十一,然坦途亦止于此。游者遥望群峦幽径,多惧于攀援之艰,而弱青云之志,自慰曰‘盖当绝顶也’而反,其亦不可笑乎?尝遇登者问于途,曰:‘顶亦无他,稀草木而多尘土耳。’登者曰:‘既然,缘何而往!’遂反。呜呼!故曰有志者弥少,有志而践行者愈加少;有志而能践行者,止之不随,力之不寡,然患人之所讥,怠途之所幽,念世之所嚣,思俗之所饕,乃临登作别,自慰而反,弃山水之实而取凡尘之虚,终归于无物者,其亦不可悲乎?其必曰‘风高云淡,清静无为’者也!然吾众生多为江湖所绊,人情所羁,只能束带于朝,不能桴浮于海。今能访拨云而谈仙人,而知盛筵犹在,高士犹存,余虽徒观钓羡渔之情,亦得安慰也,可以无悔矣!”仙人大喜,倾茶以饮。时辰已晚,不能久留,遂起别去,遥闻仙人击鼓而歌焉,其声悠哉,无忧无虑。
已而反穗数日,犹记斯人,其言诤也,于我心有戚戚焉,故为文以志,时庚寅年六月二十八日。
后注:“拨云寺”亦作“拔云寺”,意之不解,盖前人笔谬也。香江客者,齐人于君笑也。
[转]我国天文爱好者再度斩获威尔逊彗星奖
Aug 6th
以下内容转自中国彗星与流星资讯网,祝贺高sir和杨兄!
根据IAUC 9158报道,史密松天体物理台刚刚公布2010年威尔逊奖的获得者,其中我国的高兴和杨睿因发现“杨-高彗星”(P/2009 L2)而荣获该奖。同时获得该奖的还有美国彗星猎手Don Machholz和斯洛文尼亚人Jan Vales。
威尔逊彗星奖根据Edgar Wilson的遗嘱于1998年设立,每年颁发一次,旨在奖励使用自己的设备发现新彗星的业余天文爱好者。该奖的评审由设在哈佛大学的史密松天体物理台负责。
冷笑话集
Aug 5th
- 俺有个同学一直在复习考计算机三级,有一天踢足球,另一同学带球到了底线,只听他大喊:回车!回车!(传中)
- 大学时候,听见一个女生点菜:师傅,炒一盘酸辣土豆丝,不要放土豆!
- 某日在米线店吃饭上得很慢,终于按耐不住拍桌咆哮之,本来是想说再不上米线我就把桌子掀了,结果说成:“老板!再不上米线我就把桌子吃了!”全店沉默3秒后爆笑……
- 在食堂排队,听见旁边一男生说:“师傅,来碗‘子弹菜花’汤!”(紫菜蛋花汤)哈哈,笑得我喷汤了。
- 昨一同事问我。节日的节怎么写?我回答:草字头下面加一个节日的节去掉草字头!
- 老板,有没有手纸充饥卡?
- 工会主席一番慷慨激昂地演说之后,最后一句达到了高潮:同志们,让我们今年的工作做得比明年更好!全场皆倒。
- 单位祝词,一位领导说:“祝大家身体愉快……”憋住,没词了。
- 去买糕点,本来想说“来两个黄梨派加一个蛋塔”,结果说成了“来两个黄鹂鸣蛋塔”
- 偶打饭的时候,执着的指着菜花说:来份土豆。大妈问:菜花?偶继续指着菜花说:土豆大妈又问:到底是土豆还是菜花?偶急了说:这不是土豆…… 呃,菜花吗?
- 曾经有一段时间家里闹耗子,我妈就买了耗子药来维护家庭安宁,但是一个耗子都没药倒。一天大老早的,我妈起床看了看门旮旯里的耗子药,自语“这药怎么没有人吃啊?”全家晕倒……
- 英语老师教语法,下课前问大家:“我都讲完了,大家还有明白的么?”我们齐声答:“没有了!”
- 举杯邀明月,低头思故乡。
- 物理课上老师讲到放射性元素,说:放射性元素很危险,你们人类一定要远离它!
- 吃不到葡萄就吐葡萄皮
- 小时候,爸爸看我写作文。有个很简单的字写错了,爸爸笑着跟我妈说:“我发现你的儿子很笨。”我急了,大声跟我爸说:“你的儿子才笨!”
- 兵来土掩 水来将挡
- 我妈有一次去银行交水费。交了钱以后银行的人说:您这钱不够啊, 这儿还有第二页,这个也得交。我妈:第二页是什么?工作人员:污水。我妈:我家从来不喝污水。
- 话说高中时代,有一天放学,我们训导主任穿了一件很土的大衣,在学校门口倚着摩托车等他同事,结果一新生屁颠屁颠跑过去,拍拍他的肩膀亲切的说:师傅,送我去金阳光网吧……
- 昨天晚上,交通pol.ice在路口查酒后驾驶。pol.ice拦下一串小车,司机们聚在一起,有点紧张地等待检查。pol.ice扫了一眼,发现我明显不对劲,眼是红的,腿是软的,靠在一棵树上,拿报纸当扇子,拼命地扇着…… pol.ice上前敬了个礼,说:“请出示驾驶证、行驶证。” 我忙手忙脚乱地把本本掏出来,哆嗦着说:“给……给你。” “你喝酒了?” “没……没喝……喝多少……” “没喝?都这样了,还没喝?到底喝了多少?” “喝……喝了九……九两。” “吹检测器!” 一检查一看:好嘛,达到醉酒标准了。 “喝九两你还敢开车?你不怕危险?也得为别人着想啊,吊扣驾驶证,明天到队里处理,地址都给您写着。” “求……求您了,我这是今年第……第一次……喝……喝酒……” “你有权申辩,咱都得用事实说话不是,明日到交通队接受处理。现在您的车呢?怎么回家?” 这时候我只得委屈的挤出人群,掏出车钥匙…… 突然,我大叫一声:“哎!我的车呢?”声音既洪亮又清楚,酒也完全醒了。左看右看,慌的要命,也惊动了在场的每一位pol.ice,纷纷来问:“您车刚才停哪儿啦?” 恍恍惚惚中我全乱了:“这儿?不对,好像是这儿?咳,我都记不起来了。” pol.ice连忙安慰:“别急,慢慢想。” 就在这一刻意识突然清醒,然后一拍脑门:“不对啊,为了来喝酒,我今日没开车啊,我是打出租车来的啊…… 哎,pol.ice**……” pol.ice疑惑的看了我一眼:“没开车,那你站在这儿干什么?” 到这时候我终于挺直了腰板,理直气壮的回答:“我…… 我这不是看热闹来了嘛!”
- 这个是听夜校同学说的,其在中国电信工作,某日一早出外检修线路,开着电信检修车(黄色很醒目车身印着中国电信字样的那种),检修完后时间尚早,一车人跑去喝早茶,车子就随便在路边一扔。茶足饭饱后出来一看,车没了,地上大大粉笔字写着请到XX交警大队领车的字样,我同学灰常蛋定了打了个电话给领导,说检修车被交警拖走了,然后领导回复:不用管,继续回去喝茶。结果他们又回去喝了一个多小时,出门一看,车子被拖回了原地…… 后来,据说那天上午,整个市交警大队所有固定电话都打不进打不出,全部占线……
- 前几天单位吃饭,一小年轻同事要了一瓶大雪碧,给大家倒了一圈,轮到自己的时候瓶子空了。于是该同事晃着雪碧瓶对服务员说:“这个还有吗?”服务员屁颠屁颠地跑过来,接过瓶子仔仔细细地检查了一遍,一脸诚恳地说:“没有了。”
- 寝室在6楼,爬上来后发现钥匙未带,下楼问阿姨拿,再爬上来开门,下去还钥匙,再爬上来,发现门紧闭,隔壁一同学经过,曰:“看你门没关,我帮你关了。”
- 寝室有个大哥有天说这个wma是谁啊,我MP3里好多歌都是他唱的
- 课堂上老师点名:“刘华!” 结果下面一孩子大声回到:“yeah!” 老师很生气:“为什么不说‘到’?” 孩子说:“那个字念‘烨’……”。
- 喝的晕晕乎乎去一个餐厅卫生间小便,看见墙上写着一句话,凑近了一看,写着:“不要看这儿,专心尿尿。”等我看完这句话后,已经尿了自己一鞋了。
- 下午上公交车,拿出公交卡咣当投进投币孔里了
- 一时兴起、拿自己照片当电脑桌面…… 然后我的电脑就中毒了……
- 逛超市呢,看到一收款员在很认真数一堆硬币。一小孩跑过,边跑边唱:门前大桥下游过一群鸭,快来快来数一数,二四六七八…… 然后收款员很郁闷的把数了一半的硬币倒回去重数……
- 楼下送葬队在吹《常回家看看》,不知道那家人怎么想的。
- 想起大学的一件事情来:大学期末考试,试卷上要求填写考号,我写上QQ号码了
- 2009年7月22日,我在一个BBS上见一个哥们说:“原来日食是在白天,害老子白等了一宿。"
- 等我有钱了,咱买棒棒糖,买2根,1根你看着我吃,另1根我吃给你看。
- 点我
- 出门买凉拌牛肉,忽然一人牵一狗经过擦肩而过,那只狗就巴巴的跟着我手上的凉拌牛肉跑,结果主人及时拉住它,我清楚地听见主人跟狗说:"理性点!" 我当场石化……目送着那一人及一只理性的狗在夕阳的余晖下离去。
- 毕业后第一次聚会选在了动物园,大家共同的理由是:只有在这里,才能感慨自己还是个人啊!
- 最近对星座特别热衷,一天我和闺蜜正津津有味地讨论星座。一大叔过来,我抓着他就问: “你什么座的?”该大叔愣了3秒钟,喃喃道: “肉做的啊……”
- 少先队大队会,高年级的姐姐问我的同桌:你的职务(植物)是什么?同桌很认真的答:我就养了棵仙人掌,本来还想养个含羞草的。
- 新版优酷的伟大在于,你想看一15秒的视频片段,他会让你先看个30秒的广告。
- 那阵子有点心悸,去做心电图,结果出来没什么问题。一个老医生先是用深不可测眼光看着我,然后叹气,摘下眼镜,用手指摁着太阳穴,说:你是不是想逃学啊……
- 曾经在广州地铁,看见一家外国人,妈妈带着两个女儿,那小女孩长得好漂亮啊,跟个洋娃娃似的。然后看到旁边一大叔用标准chinglish问:where are you from?小女孩很淡漠的回了一句:美国……
- 病人抱怨:“您的诊断与其他几位医生十分不同,是不是您搞错了?”医生和蔼地回答: “不要听他们的,尸体解剖之后就能证明他们错了。”
- 早上地铁上,一个人从包里掏出手机看时间,然后说了句“X”,还以为他时间来不及,上班要迟到了,再仔细一看,他手里拿着一个空调遥控器。
- 大学时候,Z君特别喜欢喝酒,而且说话句搞笑。有一天,他告诉我说,P哥,喝酒去,今夜我要买醉。求求你把我灌醉。我淡定的点了点头说,哥今天就满足你的要求。然后一阵推杯猛灌,Z君不胜酒力。在回寝室的路上,我们几个人一起扶着他,他狠狠地说,老子不要你们扶,都躲开。然后把我们几个扶他的人推开,自己直杠杠的倒地上。一边抚摸地板,一边说了一句话:我自己走的挺稳的,我扶墙,没事,别管我。然后我们目送他爬回寝室……
- 人=吃饭+睡觉+上班+玩
猪=吃饭+睡觉
代入:人=猪+上班+玩,即:人-玩=猪+上班
结论:不懂玩的人=会上班的猪 - 就这个周末发生的事,我家住在一个有些年头的院子里,院里很多住户都买了车。由于空间不大,所以经常出现后进来的车把先进来的车堵住,导致其出不来的现象。然后被堵车的车主就会拼命按喇叭,喊堵住他车的车主下来把车移开。昨天也遇到了类似现象,不过这一次半天都没有人来把车移开。于是那车主就一直在楼下按喇叭,按了差不多半个小时,从开始的偶尔一两声到后来的持续一分多钟, 整个院子里的住户都被吵得冒火了。然后我看到我家对面楼上有个大爷打开了窗户,心里暗暗叹了一口气:总算可以安静下来了!就在这时, 只见那大爷从背后拿出了一块板砖,直接照着楼下那辆还在叫个不停的车砸了下去…… 砰一声巨响,然后就真的安静了……
- 地点:单位的食堂
时间:3月底 or 4月初开始,至今持续…… 本来平淡无奇的午餐时间,因为菜单而变得有娱乐精神了。
原因:据猜测,一、师傅失恋了,二、师傅穿越了,三、师傅涅磐了、四、……
第一天,全食堂的人都震惊了。谁也没想到啊,没想到。
销魂藕片,好销魂,好销魂
时空拉皮,没有吃到,据说吃了的人都穿越了
断肠人拍黄瓜,断肠人,断肠草啊,断肠草,拍黄瓜啊,拍黄瓜
小胖拉皮,和时空拉皮的区别是,加了醋,而且更辣。
下面接着的菜谱让我开始误以为食堂师傅是不是感情受挫了……
追忆扁豆…… 黯然豆腐丝……
再后来……
轮回琵琶腿
纯情的木须肉啊!
嗯,凉拌小心眼。这下我确定食堂师傅估计是遭受打击了.... - 该坏人写了一篇暴长的检讨书,提到打架细节时说道:当时我们正在吃饭,因为一个问题发生争执,我作为一名学生干部,本着实事求是的原则,对他忍让客气,然而他却忽然拿出一把明晃晃的东西指着我,我再也无法抑制内心的愤慨…… 刚说到此处,辅导员终于忍受不住了,问道:明晃晃的东西到底是什么,你说清楚!坏人沉默数秒曰:饭勺。
- 一朋友的孩子上小学,老师让画画,前三幅画的大意是小猪走丢了,猪妈妈:找小猪,后来找到了,让画第四幅,按我们的想法,小孩子肯定画猪妈妈和小猪幸福快乐的生活在一起了,殊不知…… 小朋友画了一堆篝火,篝火上有一大一小两只烤猪……
- 有个澡堂新开张,我和哥们一起去洗澡。买了票,到更新间脱光了衣服,就去找浴池!由于第一次去,不知道往哪走,就光着身子找,终于发现有个门!我们马上跑过去,一下子把门推开,……门外是大街!!
有关perl学习的两个网站
Aug 4th
php和perl都挺相似,孰优孰劣的问题网上也有不少争辩,但事实就是科学圈子里许多简单脚本是用perl编写的,还没见到过用php编写的脚本。而且perl有一个强大的regex工具,可以拿来锻炼脑力。在Johnson的忽悠下,开始缓慢地学习perl,以下是两个很有用的perl学习网站,和初学perl的朋友分享:
perl学习圣经:http://docstore.mik.ua/orelly/perl/prog/index.htm Johnson说只要看懂前三章就可以胜任大部分工作
简单的perl中文入门:http://www.cyut.edu.tw/~ckhung/b/re/index.php
数理冷笑话锦集
Aug 3rd
- Q: What do you get if you cross a pig with a rat?
A: Pig rat sine theta. - At the physics exam: 'Describe the universe in 200 words and give three examples.
- A student recognizes Einstein in a train and asks: Excuse me, professor, but does New York stop by this train?
- Researchers in Fairbanks Alaska announced last week that they have discovered a superconductor which will operate at room temperature.
- One day in class, Richard Feynman was talking about angular momentum. He described rotation matrices and mentioned that they did not commute. He said that Sir William Hamilton discovered noncommutivity one night when he was taking a walk in his garden with Lady Hamilton. As they sat down on a bench, there was a moment of passion. It was then that he discovered that AB did not equal BA.
- The experimentalist comes running excitedly into the theorist's office, waving a graph taken off his latest experiment. 'Hmmm,' says the theorist, 'That's exactly where you'd expect to see that peak. Here's the reason (long logical explanation follows).' In the middle of it, the experimentalist says 'Wait a minute', studies the chart for a second, and says, 'Oops, this is upside down.' He fixes it. 'Hmmm,' says the theorist, 'you'd expect to see a dip in exactly that position. Here's the reason...'
- An experimental physicist performs an experiment involving two cats, and an inclined tin roof.The two cats are very nearly identical; same sex, age, weight, breed, eye and hair color.The physicist places both cats on the roof at the same height and lets them both go at the same time. One of the cats fall off the roof first so obviously there is some difference between the two cats. What is the difference?
One cat has a greater mew. - French physicist Ampere (1775-1836) had two cats, one big and a one small, and he loved them very much. But when the door was closed cats couldn't enter or exit the room. So Ampere ordered two holes to be made in his door: one big for the big cat, and one small for the small cat.
- Heisenberg is out for a drive when he's stopped by a traffic cop. The cop says 'Do you know how fast you were going?' Heisenberg says 'No, but I know where I am.'
- There is this farmer who is having problems with his chickens. All of the sudden, they are all getting very sick and he doesn't know what is wrong with them. After trying all conventional means, he calls a biologist, a chemist, and a physicist to see if they can figure out what is wrong. So the biologist looks at the chickens, examines them a bit, and says he has no clue what could be wrong with them. Then the chemist takes some tests and makes some measurements, but he can't come to any conclusions either. So the physicist tries. He stands there and looks at the chickens for a long time without touching them or anything. Then all of the sudden he starts scribbling away in a notebook. Finally, after several gruesome calculations, he exclaims, 'I've got it! But it only works for spherical chickens in a vacuum.'
- You enter the laboratory and see an experiment. How will you know which class is it?
If it's green and wiggles, it's biology.
If it stinks, it's chemistry.
If it doesn't work, it's physics. - Seen on the door to a light-wave lab:
"CAUTION! Do not look into laser with remaining good eye!" - The renowned cosmogonist Professor Bignumska, lecturing on the future of the universe, had just stated that in about a billion years, according to her calculations, the earth would fall into the sun in a fiery death. In the back of the auditorium a tremulous voice piped up: "Excuse me, Professor, but h-h-how long did you say it would be?"
Professor Bignumska calmly replied, "About a billion years."
A sigh of relief was heard. "Whew! for a minute there, I thought you'd said million years." - A physics student was hit by a brick falling from a house. He fainted, but came to after a while and started smiling. The onlookers were worried, so they asked him why the smile. "I just realized how lucky I am because the kinetic energy is only half m v squared."
- Physics professor has been doing an experiment, and has worked out an emphirical equation that seems to explain his data. He asks the math professor to look at it. A week later, the math professor says the equation is invalid. By then, the physics professor has used his equation to predict the results of further experiments, and he is getting excellent results, so he asks the math professor to look again. Another week goes by, and they meet once more. The math professor tells the physics professor the equation does work, "But only in the trivial case where the numbers are real and positive."
- A seminar on Time Travel will be held two weeks ago.
- A mathematician and a physicist agree to a psychological experiment. The mathematician is put in a chair in a large empty room and a beautiful naked woman is placed on a bed at the other end of the room. The psychologist explains, "You are to remain on your chair. Every five minutes, I will move your chair to a position halfway between its current location and the woman on the bed." The mathematician looks at the psychologist in disgust. "What? I'm not going to go through this. You know I'll never reach the bed!" And he gets up and storms out. The psychologist makes a note on his clipboard and ushers the physicist in. He explains the situation, and the physicist's eyes light up and he starts drooling. The psychologist is a bit confused. "Don't you realize that you'll never reach her?" The physicist smiles and replies, "Of course! But I'll get close enough for all practical purposes!"
- Two physics students bump into each other walking across campus. One of them is toting his shiny new bicycle along with him. His friend says, "Wow! I really like your new bike!" "Thanks. It was the strangest thing! I was walking across campus the other day and a beautiful young girl rode her bike up to me, got off, ripped off all her clothes, threw herself on the ground, and said 'Take whatever you want!'" "Smart move," he replied. "There's no way her clothes would have fit you."
- An engineer, a physicist and a mathematician are sleeping in a hotel, which is unfortunetaly burning every night. In the first night the engineer wakes up and notices the fire. He takes the fire extinguisher and stops the fire. In the second night it starts to burn again. The physicist wakes up after a while (no one there to wake him up) and sees the fire. He is enthusiastic about the phenomen and dies in the fire while looking for a thermometer. In the third night the mathematician wakes up because of the fire. He looks at the fire and sees the fire extinguisher. He states that the problem has a solution and fells asleep again.
- A young physicist, upon learning that he was denied tenure after six productive years at a University in San Francisco, requested a meeting with the Provost for an explanation, and a possible appeal. At the meeting, the Provost told the young physicist, "I'm sorry to tell you that the needs of the University have shifted somewhat, during the past six-years leading up to your tenure decision. In point of fact, what we now require is a female, condensed-matter experimentalist. Unfortunately, you are a male, high-energy theorist!" Dejected but not defeated, the young physicist thought for a moment about the implications of the Provost's words. "Sir," he said, "I would be willing to convert in two of the three categories you mention, but ... I'll never agree to become an experimentalist!"
- Gravitation can not be held resposible for people falling in love. - Albert Einstein
Eight ways to use a barometer to find the height of a building:
- Measure the height of the barometer. Scale the side of the building, measuring its height in barometer-units.
- Drop the barometer from the top of the building. Measure the time until it hits the street. Correcting for the mass/surface ratio of the instrument, use basic acceleration equation to find the height.
- Tie string to top of barometer. Lower from roof to almost ground. Swing. Period of pendulum can be used to find distance from barometer's Center of Gravity to top of building.
- Tie a long cable to the barometer and lower it from the top of the building to the ground, and then measure the length of the cable.
- Take the barometer outside on a sunny day, measure its shadow and the buildings shadow.
- Drop the barometer from the top of the building. Measure how far was it shifted by Corriolis force. The rest is trivial.
- Sell the barometer. Purchase a tape measure long enough to measure the height of the building.
- Find someone who knows how tall the building is, and trade him the barometer for the information.
Physics Revisited
- Gravity was discovered by Sir Isaac Newton. It is chiefly noticeable in the autumn, when the apples are falling off the trees.
- You can listen to thunder after lightning and tell how close you came to getting hit. If you don't hear it, you got hit, so never mind.
- When people run around and around in circles, we say they are crazy. When planets do it, we say they are orbitting.
- The tides are a fight between the Earth and moon. All water tends towards the moon, because there is no water in the moon, and nature abhors a vacuum.
- The moon is more useful than the sun, because the moon shines at night when you want the light, whereas the sun shines during the day when you don't need it.
- To remove air from a flask, fill it with water, tip the water out, and put the cork in quick before the air can get back in.
- Isn't it meaningless to speak of a 45 degrees angle unless you specify Fahrenheit or Celcius?
- An object at rest will always be in the wrong place.
- An object in motion will always be headed in the wrong direction.
- For every action, there is an equal and opposite criticism.
- Doppler effect is the tendency of stupid ideas to seem smarter when you come at them rapidly.
- Lenz's Law: Everything you start works against you.
You Might Be a Physicist if...
- the water in your kettle is boiling at 373.15 Kelvin.
- you know that the speed of light is 299 792 458 m/sec.
- you know the direction the water swirls when you flush.
- you've already calculated how much you earn per second.
- you are sure that differential equations are a very useful tool.
- you are at an air show and know how fast the skydivers are falling.
- you know the second law of thermodynamics, but not your own shirt size.
- you avoid stirring your coffee because you don't want to increase the entropy of the universe.
- you try to explain entropy to strangers at your table during casual dinner conversation.
- your three year old son asks why the sky is blue and you try to explain atmospheric absorption theory.
- you're at a wine tasting event and find yourself paying more attention to the cork screws than the Chardonnay.
- you carry on a one-hour debate over the expected results of an experiment that actually takes five minutes to run.
罗浮山穿越露营散记
Aug 2nd
罗浮山者,道教圣地也,有南粤第一山之美名。是月,天文圈老友于医生来广州见习,商议闲时到罗浮山透透气、练练脚力,顺便给我新买的帐篷开光,于是选择了一条最简单的拉练线路:前山-飞云顶-拨云寺-飞云顶-前山,夜间在飞云顶、拨云寺或分水坳露营。
7月30日一早集合,在天河客运站搭班车前往罗浮山脚的长宁镇,车程大约2小时。一下车就有拉客的围过来,号称送到黄龙观登山道入口可免门票,但要收车费¥30。想到冲虚观和狮子峰登山道都已经走过,决定换个口味,做好被坑准备后上车。约11点,从黄龙观上山,结果路上有一关卡,内有一穿制服的干瘪老头,要收门票¥15,无任何证件,此意料中事也,与之,不过还是想掏出瑞士军刀教训他一顿。
比起前两次来罗浮,我这次可谓装备精良,登山杖、徒步鞋、护膝等一应俱全,所以走起来轻松省力。黄龙观登山道看来走的人不多,但风景还不错。到半山腰是不巧碰上了一阵暴雨,幸而旁边就是一浓密小树林,欣赏了风起云涌的壮观画面。于医生初试驴蹄,刚开始走的比较慢,但很快就能跟上我的节奏,这让我很满意。中午1时上到废弃的盘山公路,沿着公路徒步,没有蚊子又凉快,非常省心,解决了午饭后继续前行,下午3点半左右抵达距离顶峰约1公里的分水坳,碰到刚从顶峰下来的四人,说顶峰风大雾大,但没有明显雷暴迹象,于是我们决定冲顶,没想到这一个当时看来十分合理的决定后来差点酿成大祸。
下午4时整,飞云顶在望,此时距离顶峰垂直距离已经不到30米,但忽然间狂风顿起、云雾弥漫,能见度不足10米,远处传来隐隐雷声。经观察,我判断雷区距离我们比较远,但出于谨慎仍然原地停下观察情况。突然西北方向划过一道闪电,根据声音判断距离我们已经不到1公里。我的大脑飞速运转,认为有一个雷暴区正在本地生成(事后调取雷达资料来看,判断非常正确),回想起路上经过一个位于半山腰的、非常浓密的小树林,乃是躲避恶劣天气的理想之地,距离我们大约500米,然而这500米大多数都在飞云顶东麓的山脊上,在雷暴天气十分危险,但也没别的选择了,只能尽量降低重心飞速撤退。撤至距离小树林约50米的山坡上时,有一道闪电击中约300米开外的分水坳(根据方位判断),我只能下令丢弃身上的金属物品原地卧倒。不过我们还是幸运的,因为判断正确、决定即时,临时躲避的那块地方相对来说还是很安全的,最后也是有惊无险。大约16:40左右雷暴衰退,不过我们还是撤退至小树林处等到雨完全停止以后才再次出发。
事后看了看当时的雷达资料,情形确实很不凑巧,在16时整突然生成一个局地强雷暴区,这种情形非常难提前判断出来,不过当时的我们也是如有神助,判断和决定都做得恰到好处。于医生也很好的完成了队员的职责,服从命令而且动作迅速。
17:45,已经半个多小时没有听到雷声了,但心有余悸的我们不敢再冒险上飞云顶,更别说在飞云顶扎营,决定执行B计划,到拨云寺扎营,此时能见度只有3-5米。因为路面湿滑,足足花了1个小时才到拨云寺,传说中的野猫大仙接待了我们。野猫大仙者,乃一传奇人物也,另文叙之,这里仅摘引网上的一些话,让大家窥探一二:
去年我路过拨云寺时曾与野猫师傅有过一面之缘。对面不相识,记忆中他一头长发,板面冷眼,沉默寡言,静静地在寺院一角淋菜,直至离开我也没和他说上一句话。此刻,他的长发已不在,便服拖鞋,刚从山下奔忙归来。野猫师傅看上去杀气极重,其实呢是一位有大慈悲心的活菩萨。大愿普度众生,他修行所到的境界我实在无法用言语来描述。摘一句他自己的话来说:
我是罗浮山上的一块石头。
任风吹过一阵,任雨打过一阵,他痛(动)我不痛(动)。——《罗浮山上风吹雨打不痛(动)的石头》(http://blog.sina.com.cn/s/blog_5d2e2d110100g3jz.html)
去年重阳,再上罗浮,意外发现,飞云顶附近有一拔云寺,与世隔绝,犹于世外桃之仙境,极少有外人来访。得主持廷通大帅(嵩山少林寺第二十九代武曾)热情招待,闲谈中问之“仙人野猫”事,得之确有其人,行踪飘佛,居无定所,山洞、大树作息,野果甘露充饥,常与隐士山中采药修练,难以见之。……后到明月寺品茶,见一曾人,穿着简陋,但极其神气,问之,乃终日所寻之“仙人野猫大帅”也,闲谈中得之,仙人原籍绍兴,居于香港,十四岁出家,寻于罗浮仙山修练,十八年,行踪不定,居无定所,喝甘露泉水,食野果仙草,睡于深山密林,从未得病,不受毒蛇猛兽侵害,闲游于罗浮九灌十八寺间,不问人间世事,完全融于大自然中。
——《罗浮山寻仙记》(http://www.dg-car.net/viewthread.php?tid=416337)
我们选择了一块空地扎营。下午躲避雷暴时仓促,未免有一些不适,这时候于医生的本领总算使出来了。出于好玩的心思,我细心地布好防风绳,又挖了排水沟,没想到夜间起了重大作用。入夜之后天气好了三两个小时,随后便一直狂风暴雨,帐篷咯吱咯吱地响,但在防风绳和排水沟的帮助下,我们一夜安如泰山。
第二天看日出的计划当然是告吹了,不过野猫大仙却邀我们品尝罗浮山的野茶,同时听他讲人生大道理,同茶味一样醇厚,野猫大仙若生在3000年前,说不定也能写出一本《道德经》一样的书流传后世。
11点半,我们撤营出发,在12:45左右登顶。此时飞云顶四周始露峥嵘,大大补偿了前一天的惊吓和遗憾。下山我们决定走另一条路下,顺带看看罗浮山的索道,然而这条所谓的新路实在是修得太差劲了,阶梯非常滑,以至于前进速度慢如蜗牛,最后只能从竹林中另辟新路下。从朱明洞新路去索道上站的道路亦指向不明,在这里留下攻略方便后来人:大概是5100米的牌子附近有一个瀑布,瀑布附近有一个Y字分叉,这时走左边的路可到索道上站(从山顶下来的方向看),但不久之后又有一个T字分叉,这时要顺着白色箭头的反方向走(白色箭头是指向飞云顶的),大约1小时左右可到索道上站(最后十几分钟有红砖路面)。我们被人指错了路,结果沿着白色箭头爬了半个多小时才被告知方向走反了,耗掉了大量体力。
约16:45,到达山脚,索道下站有免费车坐到景区大门附近,在那里可以坐黄色大巴(惠州-罗浮山)到长宁路口,拦去广州的长途车。
总结:虽然遇到了惊险的强雷暴天气,但总的说来经受住了考验,穿越和扎营过程中一切顺利。此外要盛赞一下于医生,不愧是好拍档,此行中完美地负责了医疗、饮食和内务,虽然是初试驴蹄,但从哪个角度来说都干得无可挑剔。再留下几张地图,方便后来者:罗浮山景区地图(官方版) http://www.lfs.gov.cn/Images/mapbig.jpg ;罗浮山旅游地图(感觉不是很好用) http://www.lxjia.net/guide-lxjia-gonglue7739.html ;某驴友手绘的罗浮山后山地图 http://blog.esnai.com/UploadFiles/2008-10/1605791132.jpg 。
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