T**********e
发帖数: 29576 | 1
要。
1997年Sojourner/Pathfinder就拍了不少照片。 |
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s****c
发帖数: 11300 | 2 胡说八道。。。 用铝壳挡宇宙射线？
有很多宇宙射线根本是挡不住的 电子系统在深空出问题只是时间问题
为了延长使用寿命 电子系统要做很多个备份 |
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s****c
发帖数: 11300 | 3 pcb制作主要是开工费 pcb军工级和航天级没什么太大区别
你做1块也是几万块钱 做100块也是几万 |
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s****c
发帖数: 11300 | 4 50倍压缩率很难做到把 另外很多时候也需要raw文件传输回来
其实这东西又不是实时器件 带宽根本不是问题
成像质量 光学系统 可靠性 功能才是需要考虑的
对于这种类型的探测 像素值真的不是考虑的重点 |
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T**********e
发帖数: 29576 | 5
Material shielding can be effective against galactic cosmic rays, but thin
shielding may situationally actually make the problem worse for some of the
higher energy rays, because more shielding causes an increased amount of
secondary radiation, although very (arguably impractical) thick shielding
could counter such too.The aluminum walls of the ISS, for example, are
believed to have a net beneficial effect.
http://en.wikipedia.org/wiki/Health_threat_from_cosmic_rays |
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s****i
发帖数: 2993 | 6 faint ah.
first successful landing on mars was 1976. |
|
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n******g
发帖数: 17225 | 8 Anyone?
Just a curiosity. |
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T**********e
发帖数: 29576 | 9 2M的相机
From NASA's Curiosity rover。 |
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q*****l
发帖数: 235 | 10 哎，诸位还敢再深入一点点么
楼上不少回复，貌似也就是偶所说的第1点，而我已经提到7点了
一点不天马行空，因为太多人为了活或而活着，阴谋论说这是设计好的，人类都是国家
和金钱机器的奴隶，太忙了，哪有jb功夫是研究这些呢，busy live，busy die
最后说一点，玛雅没发明车轮，却有最精准的天文历法，埃及没机械，没陀螺仪，没卫
星，却将金字塔按照地球比例建造，精细度插不进去一张纸，三座金字塔指向天狼星，
墨西哥的特奥蒂瓦坎古迹 与 昴宿星团 一一对应 等等
然后玛雅说2012是第五太阳纪的结束，是人类的新纪元，佛家叫现在是末法时代，基督
教说会有基督再临
这一切都指向了什么？
就先这些吧，已经N多线索了，感兴趣的，自然回去发掘，甚至理出人生意思，和存在
的本质
其他的，停留在第1点的猜疑中就好，
why？
Curiosity kills the cat &
the rabbit hole is deeper than you can even imagine.
人类，珍重 |
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b*****n
发帖数: 1841 | 11 The curiosity of peeking into how Bianyiju works drives me go through it.
Bypassing most of irrelevant parts, it only takes me an hour. |
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t**********0
发帖数: 9359 | 12 刚找了一篇报道，和我接触的同行，很符合
If you are considering studying at the best university in the world, you'd
better be prepared to work your socks off. The pace of learning at the
Massachusetts Institute of Technology has been likened to "drinking from a
fire-hose".
The science and technology university, located in Cambridge, Massachusetts,
has just been named number one university in the world in the latest QS
league table.
It has a stellar reputation. In fact, if you added up the revenues of
companies found... 阅读全帖 |
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c***c
发帖数: 21374 | 13 一帮傻叉
具体来说：
An inspiring story . . . the book reflects the tone of its author: clear,
honest and unassuming.”
—KIRKUS REVIEWS
“This well-written tale of courage, compassion, and undaunted curiosity
reveals the life of a genuine hero who remains committed to making the world
a better place.”
—BOOKLIST(starred review)
“This is an utterly unique memoir, a fascinating look at one woman’s
journey from a difficult childhood in Mao’s China to the top of the
American tech world.”
—TONY HSIEH, CEO of Zapp... 阅读全帖 |
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P*******s
发帖数: 254 | 14 The following is provided as a strict set of guidelines which must be
adhered to for all males to ensure they follow the correct procedure when
using public toilets.
There is an etiquette which, until now, has been an unwritten rule that most
men follow, although some seem determined to breach.
Females may read on out of curiosity, although the procedures do not apply
to women's restrooms for they are an alien place with tiny, confusing bins
and queues which baffle even the greatest male scienti... 阅读全帖 |
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S*R
发帖数: 1057 | 15 最新一期（2013-03-14）的Nature杂志，在其“World View”专栏发表了一篇题为“
The unlikely wisdom of Chairman Mao”的文章。首先觉得题目挺好玩。作者建议科
学界尤其是西方科学界要学习毛泽东的自我批评思想。
节选一下作者的一些观点和信息：
1. 科学界要学习毛主席的自我批评。
2. 中国、日本、新加坡等国的科学家和政府部门会反省和剖析自己国家创新能力缺乏
的问题，而这种自我批评在西方科学界（欧洲、美国）非常罕见。
（我们国家真的意识到并正在努力解决科技界的问题吗？）
3. 美国文化并非反对自我批评，但负债累累、政治无能的美国现在却严重缺乏自我批
评。1998至2003年，NIH的经费翻番，但带来了哪些经济或健康收益？
4. （看看作者这个有意思的比较）2000年，中国R&D投入250亿美元，产出全球3%的科
技文献；美国则投入3000亿美元，产出全球27%的科技论文。十三年之后，中国经济增
长了200%，而美国为20%。
（中国经济发展跟论文产出与研发投入的比例有关系吗？）
5. 英国科学家很会在知名期刊上发表论文，但是其令人印象... 阅读全帖 |
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m**c
发帖数: 7299 | 16 【 以下文字转载自 USANews 讨论区 】
发信人: lczlcz (lcz), 信区: USANews
标 题: 一个同性恋者站出来反对同性恋婚姻
发信站: BBS 未名空间站 (Fri Mar 22 19:45:32 2013, 美东)
一个人生了病并不代表他就失去理智了.
"Pure sophistry is pitted against reason. Reason is losing."
by Rick aka Mr. Brutally Honest
A gay guy speaks out against... gay marriage:
http://www.thepublicdiscourse.com/2013/03/9622/
In our sometimes misguided efforts to expand our freedom, selfish adults
have systematically dismantled that which is most precious to children as
they grow and devel... 阅读全帖 |
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c*9
发帖数: 3241 | 17 From: "wq" View Contact Details Add Mobile Alert
Subject: Re: I am back and need your contact info
To: "Hanlin Li" , r******[email protected], "Jin Ya" <
j*******[email protected]>, "sun wei"
Date: Mon, 12 Dec 2005 13:35:20 +0800
so glad to hear from u from shanghai.
my cell: 13600072567
PF: 13570066776
contact u later, see u.
On Sat, 10 Dec 2005 18:06:27 -0800 (PST)
Hanlin Li wrote:
> Dear piglets,
>
> I am back in China. It... 阅读全帖 |
|
c*9
发帖数: 3241 | 18 From: "wq" View Contact Details Add Mobile Alert
Subject: Re: I am back and need your contact info
To: "Hanlin Li" , r******[email protected], "Jin Ya" <
j*******[email protected]>, "sun wei"
Date: Mon, 12 Dec 2005 13:35:20 +0800
so glad to hear from u from shanghai.
my cell: 13600072567
PF: 13570066776
contact u later, see u.
On Sat, 10 Dec 2005 18:06:27 -0800 (PST)
Hanlin Li wrote:
> Dear piglets,
>
> I am back in China. It... 阅读全帖 |
|
x****u
发帖数: 12955 | 19
Plausible explanation can satisfy your own curiosity. But using it as proof
to accuse someone of a crime is going over the line. |
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d****o
发帖数: 32610 | 20 就不能改进改进么
不说做到Curiosity那么牛逼
带个大点的伞应该还是没问题吧 |
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d****o
发帖数: 32610 | 21 Curiosity在火星也是陆地着陆，看起来就很碉堡 |
|
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i*****s
发帖数: 4596 | 23 有一个不怎么准确的译文，不过可读性倒是不低，我把原文附在后面：
祖神来归式科学
费曼（Richard Feynman）
在中世纪，有各种类型的古怪观念，如象一块犀牛角会增强权力。后来找到一种方
法将各种观念进行分类 --- 行得通就弄明白它，行不通就取消它。尔后，这种方法
就逐步形成科学。而且它发展得很好，所以我们现在是处在科学的时代。然而使我
们很难理解的是，就在这样一个科学时代巫医怎么会存在，巫医提出的事，从没有
真正行得通 --- 或者很少行得通。
但是时至今日，我遇到不少人，他们总会和我说到飞碟（UFO），或者星相学，或者
某些神秘主义，扩大的知觉，新型意识，超感觉力，等等。我得到结论，这都不属
于科学世界。
许多人相信那些荒诞不经的事物，使得我决意研究他们为什么这样。我的好奇心促
使我去进行研究，而所涉及到的内容却使我陷入困境。居然有这么多糟粕，真使人
吃惊。首先我由研究神秘主义，神秘经验的各种思想入手。我进到隔离的试验槽，
并有过许多小时的幻觉经历，所以我知道关于神秘主义的某些东西。我还去过埃萨
伦，这里是各种思想的温床（这是一个很好的地方，你们应当去看看）。然后我变
得不... 阅读全帖 |
|
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b******a
发帖数: 1337 | 25 it is very sad that she at such old age is helpless and has to support
herself.
my curiosity is how we know her age since she does not have an ID and
domicile. |
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b******3
发帖数: 4385 | 26 just a survey out of curiosity |
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b********n
发帖数: 38600 | 27 16 People On Things They Couldn’t Believe About America Until They Moved
Here
http://thoughtcatalog.com/michael-koh/2013/11/16-people-on-thin
1. Rakib Islam
I am originally from Bangladesh and here are a few things that I find hard
to explain to peeps back home.
•Fruits and vegetables are way more expensive than meat and poultry.
•That, generally speaking, the poor is more obese than the rich.
•A lot of couples adopt children, sometimes in spite of having their
own, and treat t... 阅读全帖 |
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g**1
发帖数: 10330 | 28 India's Mars mission enters second stage; outpaces space rival China
BY SHYAMANTHA ASOKAN
NEW DELHI Sun Dec 1, 2013 1:29am EST
http://www.reuters.com/article/2013/12/01/us-india-mars-idUSBRE
(Reuters) - India's first mission to Mars left Earth's orbit early on Sunday
, clearing a critical hurdle in its journey to the red planet and overtaking
the efforts in space of rival Asian giant China.
The success of the spacecraft, scheduled to orbit Mars by next September,
would carry India into a small c... 阅读全帖 |
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d****o
发帖数: 32610 | 29 美帝ppt也做得精彩绝伦
至今想起curiosity着陆得演示视频依然非常鸡动 |
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T**********e
发帖数: 29576 | 30 Nasa Mars Rovers Celebrate 10 Years On Red Planet
Nasa has celebrated 10 years since it successfully landed two robotic
explorers on Mars - and one of them still works.
The Spirit Mars Rover landed on the Red Planet via its innovative "bouncing
ball" landing system on January 4 2004, with the Opportunity Rover following
it a few weeks later on 24 January.
While Spirit worked for six years and eventually gave up the ghost,
Opportunity has vastly outlasted original estimates of its useful lifespan... 阅读全帖 |
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l*******d
发帖数: 3343 | 31 围脖上的curiosity火星车和玉兔都是果壳松鼠会之类的猥琐男维护的营销马甲吧
妈的搞技术的装逼卖萌也搞得那么恶心，一口的google口音，散发着南方系大蒜味
码工这个群体真的是没救了 |
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c****e
发帖数: 1628 | 32 发信人: demoner (New York State of Mind), 信区: Biology
标 题: Leaving Science, by Leon Avery.
发信站: BBS 未名空间站 (Tue Feb 11 00:50:43 2014, 美东)
Leaving Science
February 8, 2014
Why I’m leaving
I have decided, after 40 years as a lab scientist and 24 years running my
own lab, to shut it down and leave. I write this to explain why, for those
of my friends and colleagues who’d like to know. The short answer is that
I
’m tired of being a professor. Indeed, I know that I can’t continue
indefinitely, and I wou... 阅读全帖 |
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w*****h
发帖数: 423 | 33 Manhattan District Attorney Cyrus Vance Jr., has accused a former hedge fund
analyst of stealing documents that detailed the methods and application of
two trading models from a major New York hedge fund firm that specializes in
quantitative trading.
Kang Gao, a 28-year-old who until recently worked as a quantitative analyst
at Two Sigma Investments, was arrested last week and charged by the
Manhattan District Attorney of felony offenses, including computer trespass,
criminal possession of compu... 阅读全帖 |
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s*****r
发帖数: 11545 | 34 The curiosity of a male virgin. Haha |
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O*******d
发帖数: 20343 | 35 基督教科学箴言报
Why Chinese youth are ignorant of Tiananmen Square protest
A quarter century after the Communist Party's historic attack on
demonstrators in Tiananmen Square, most Chinese young adults don't know or
don't care about the event. Why?
Born in 1989, Steve Wang sometimes wonders what happened in his hometown of
Beijing that year. But his curiosity about pro-democracy protests and the
crackdown on them passes quickly.
"I was not part of it," he said. "I know it could be important, but I canno... 阅读全帖 |
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T**********e
发帖数: 29576 | 36 NASA 'Flying Saucer' Launch to Test Mars Landing Parachute Tech
A saucer-shaped vehicle that could help NASA land big payloads on the
surface of Mars is about to take to the skies for the first time.
NASA hopes to launch its Low-Density Supersonic Decelerator (LDSD) test
vehicle — which the agency has dubbed its own "flying saucer" — Thursday (
June 5) from the U.S. Navy's Pacific Missile Range Facility in Kauai, Hawaii
. The balloon-aided liftoff was originally scheduled for today (June 3), but... 阅读全帖 |
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z**********e
发帖数: 22064 | 37 http://cn.nytimes.com/opinion/20140718/c18yu/
Voting in China, a Distant Dream
By YU HUA July 18, 2014
余华 2014年07月18日
I am 54, but have never in my life seen an election ballot.
我今年54岁了，从来没有见过选票。
“Have you seen one?” I ask people, out of curiosity. Like me, most of them
have no idea what a ballot looks like and have only seen pictures on
television of people completely unknown to them clutching a ballot and
voting on their behalf. A few say they have seen a ballot, but a long time
ago, in their ... 阅读全帖 |
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c*****g
发帖数: 21627 | 38 Protecting Children in Substance-Abusing Families
Characteristics of Parents at Risk
CASE VIGNETTE: Lisa had not seen her father since she was around 8 years of
age. Her mother was an unemployed recovering alcoholic who lived with her
boyfriend. Before her pregnancy Lisa had been a model for 3 years and
reported that she was introduced to illicit drugs by friends at work who in
the evenings. Through these friends, Lisa met Johnnie, the father of her
child. Johnnie was a photographer who used dru... 阅读全帖 |
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S******8
发帖数: 24594 | 39 你把Deep Impact, Opportunity, Spirit, Curiosity都华丽丽地忽视了。 |
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p*******e
发帖数: 286 | 40 http://www.reddit.com/r/AskWomen/comments/2w6uol/have_you_ever_
[–]ellaminnowp 256 points 15 hours ago*
Interesting story. My husband and I took our honeymoon to China. We landed
in Shanghai and walked around looking at the skyline as the sun was setting.
I noticed someone walk in front of me, stop and "take a selfie"...
Obviously with me in the background. Then I started noticing more people
walking near me and taking photos. Not a ton, but definitely three or four.
Over the next two weeks, I w... 阅读全帖 |
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G*******r
发帖数: 657 | 41 http://news.sina.com.cn/w/p/2015-08-06/003332177052.shtml
参考消息网8月6日报道 NASA火星探测器“好奇号”(Curiosity Rover)所摄照片，
经常遭眼尖人士抓到不寻常处。而近日的的一张照片再度引起UFO爱好者热议，因火星
影像中似乎出现一名拥有长发与胸部的“外星女性”。
台湾中时电子报8月5日报道称，专研究UFO的网站《UFO Sightings Daily》表示，
根据照片中的影像，这看起来像是一位披着斗篷的女人，而从其胸前的阴影，可推断她
拥有一对乳房，而在较明亮的部分，可看见她的两只手臂及长发。
该网站还称，若这是雕像的话，那它应该会受到严重的风化，但是依据影像中的完
整度而言，是“生物”的可能性极高。此外，网站还表示，这名“外星女性”似乎在盯
着火星探测器看。
火星存在“外星人”的质疑已愈来愈多，先前加拿大一名UFO爱好者吉勒(Andre
Gignac)曾声称，在NASA所发布的火星照片内，发现“外星人”及“机器人”的踪迹。 |
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t*****a
发帖数: 5180 | 42 张tom的生活的坎坷，反村了他对intellectual curiosity和freedom的追求的壮烈。 |
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Y****N
发帖数: 8694 | 43 【 以下文字转载自 Faculty 讨论区 】
发信人: Highly (高妹), 信区: Faculty
标 题: 我为尹希教授做的专访
发信站: BBS 未名空间站 (Wed Sep 23 14:31:24 2015, 美东)
Interview with Dr. Xi Yin
--- By Fiona Rawsontile, Sept 2015
This interview was inspired by an earlier interview of Dr. Yin I saw on the
Internet, which made me think that we can’t expect someone who normally
writes for entertainment to understand a physicist. To “provoke” a
scientist, we need another scientist. So I volunt... 阅读全帖 |
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b********n
发帖数: 38600 | 44 解读美国最时髦的教育理念：Grit
从去年到现在，整个美国教育学界被一种全新的教育理念所席卷，那就是Grit。
【坚毅的定义是什么?】 坚毅的品格是可以开发的
Grit一词在古英语中的原义是沙砾，即沙堆中坚硬耐磨的颗粒。
2010年，科恩兄弟翻拍了约翰·韦因的老片《TrueGrit》，获奥斯卡奖提名，其中
演副执法官Rooster Cogburn的杰夫·布里杰斯凭此片获得了当年的奥斯卡最佳男主角
奖。这部影片讲的是一个14岁女孩终其一生为父报仇的故事，片名原意为《真正的勇气
》，在中国被广泛译为《大地惊雷》。
这部电影也启发了教育界。美籍亚裔心理学家、宾夕法尼亚大学副教授Angela Lee
Duckworth将其发表于2005年、原名为“Self-discipline outdoes IQ in predicting
academic performance of adolescents（自制力完胜智商，预示青少年未来学业表现
）”的研究成果，更名为Grit Research。
Grit可译为“坚毅”，但其涵义远比毅力、勤勉、坚强都要丰富得多。Grit是对长
期目标的持续激情及持久耐... 阅读全帖 |
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f*****n
发帖数: 2126 | 45 简单的说，就是其实就是个一般的人，但是他特别讲究外在，或者就是跟烙印一样喜欢
吹。
做的一份很简单的工作，然后就说自己with passion/curiosity for data-driven
decision making. 结果自己读个名校博士，貌似又没毕业，只拿了个master。
各种包装，跟烙印差不多了。 看着想笑。 |
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S*****n
发帖数: 4185 | 46 合宪的主要论据竟然是排华法案，lz不认识e文？
The court has given the political branches the judicial equivalent of a
blank check to regulate immigration as they see fit. This posture of extreme
deference is known as the “plenary power” doctrine. It dates back to the
1889 decision in the Chinese Exclusion case, in which the court upheld the
exclusion of Chinese laborers based on their nationality.
Unlike other bygone constitutional curiosities that offend our contemporary
sensibilities, the Chinese Exclusion case has... 阅读全帖 |
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c*********d
发帖数: 9770 | 47 http://cn.nytimes.com/china/20151209/c09chinabrown/dual/
Q. and A.: Kerry Brown on Xi Jinping and the Business of China
By DIDI KIRSTEN TATLOW December 9, 2015
时报看中国
狄雨霏 2015年12月9日
The personality and intentions of Xi Jinping, China’s president and general
secretary of the ruling Communist Party, are a subject of enduring
curiosity, both at home and abroad. Some people, including many ordinary
Chinese, admire Mr. Xi for his anticorruption campaign. Others criticize him
for a harsh crackdown on d... 阅读全帖 |
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a***a
发帖数: 105 | 48 一个机器人花25亿美元。外行搞不懂贵在哪个部件，懂行的帮指点下~ |
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r*c
发帖数: 16750 | 50 不懂行，但是做过nasa的项目，根据我的经验，哪个部件都贵。
上天的跟我们日用的电子产品都不是一个标准。很重要的一个指标就是对宇宙射线的防
护，一般的原件上天就被宇宙射线打烂了，根本不工作。 |
|
