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全部话题 - 话题: hole
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x*****7
发帖数: 4749
1
来自主题: LeisureTime版 - 读 NG 的 Black Holes: Star Eater
三月份的这篇 Black Holes 文章很有趣,连我这种科学白痴都读懂了。。
Copy 其中的一部分关于suck和time的讨论。最后一段说的,不就是我们古人说的,天
上一天,地上万年吗?
这里是原文链接:http://ngm.nationalgeographic.com/2014/03/black-holes/finkel-text
It’s important to clarify a couple of things about black holes. First is
the idea, popularized in science fiction, that black holes are trying to
suck us all in. A black hole has no more vacuuming power than a regular star
; it just possesses extraordinary grip for its size. If our sun suddenly
were to become a black hole—not go... 阅读全帖
y****z
发帖数: 1635
2
来自主题: _LoTaYu版 - Supermassive Black Hole
Supermassive Black Hole lyrics
Songwriters: Bellamy, Matthew;
Ooh, baby don't you know I suffer?
Oh, baby can you hear me moan?
You caught me under false pretenses
How long before you let me go?
Ooh, you set my soul alight
Ooh, you set my soul alight
Glaciers melting in the dead of night
And the superstars sucked into the supermassive
(Ooh, you set my soul alight)
Glaciers melting in the dead of night
And the superstars sucked into the supermassive
(Ooh, you set my soul)
I thought I was a fool f... 阅读全帖
r******h
发帖数: 809
3
【 以下文字转载自 Travel 讨论区 】
发信人: rotatezh (剃度在莲台下), 信区: Travel
标 题: 水下伯利兹(3)——The Great Blue Hole
发信站: BBS 未名空间站 (Tue Nov 27 02:03:06 2012, 美东)
凌晨2-3点的时候下了一场暴雨,雨声很大,都被吵醒了。凌晨4点50起床,5点一刻到
潜店报道,困死了。早饭是buffet,我去的晚了点,好吃的都没了:-( 只好捡了个没人
要的大面包啃。潜店食堂挂着的两个LCD上在轮流播放潜水的片子,美轮美奂,感觉比
我看到的漂亮多了,呵呵。吃过早饭以后,6点一刻正式发船。今天天不好,风浪比昨
天大多了,海浪都打到快艇二楼了,左右摇摆的也很厉害。昨天很多人都在二楼晒风,
今天刚开出没多久,就全下来了。我怕晕船,不敢坐在封闭的船舱里。船舱外面有个放
午餐的大盒子,我就坐在上面,中间有一次风浪连我带整个午餐盒全给掀翻了,真恐怖
。半路上看到了double rainbow,划过船尾的天空。
两个多小时以后进入The Great Blue Hole,这个从天上看很漂亮,在水里却不识庐山... 阅读全帖
c****t
发帖数: 19049
4
来自主题: SciFiction版 - Black Hole Fires Gas 'Bullets' Into Space
Astronomers have captured the moment when a black hole launched super-fast "
bullets" of gas into space at one-quarter the speed of light, a new study
reports.
The black hole blasted out the gaseous bullets back in June 2009, and NASA's
Rossi X-ray Timing Explorer (RXTE) satellite and the ground-based Very Long
Baseline Array (VLBA) radio telescope were able to watch the drama unfold.
"Like a referee at a sports game, we essentially rewound the footage on the
bullets' progress, pinpointing when ... 阅读全帖
r******h
发帖数: 809
5
凌晨2-3点的时候下了一场暴雨,雨声很大,都被吵醒了。凌晨4点50起床,5点一刻到
潜店报道,困死了。早饭是buffet,我去的晚了点,好吃的都没了:-( 只好捡了个没人
要的大面包啃。潜店食堂挂着的两个LCD上在轮流播放潜水的片子,美轮美奂,感觉比
我看到的漂亮多了,呵呵。吃过早饭以后,6点一刻正式发船。今天天不好,风浪比昨
天大多了,海浪都打到快艇二楼了,左右摇摆的也很厉害。昨天很多人都在二楼晒风,
今天刚开出没多久,就全下来了。我怕晕船,不敢坐在封闭的船舱里。船舱外面有个放
午餐的大盒子,我就坐在上面,中间有一次风浪连我带整个午餐盒全给掀翻了,真恐怖
。半路上看到了double rainbow,划过船尾的天空。
两个多小时以后进入The Great Blue Hole,这个从天上看很漂亮,在水里却不识庐山
真面目了。快进入的时候倒是可以很清晰的看到水面呈现出截然不同的两种颜色,反映
出海面以下水深浅的剧烈变化。只是边界太大了,看不全,不知道是不是Hole的边缘。
The great blue hole is indeed just a hole:-) 它的形状有如一个花瓶,中段向... 阅读全帖
a***n
发帖数: 578
6
来自主题: Macromolecules版 - Hole mobility and conducting polymer
Thanks for your message.
I think hole mobility in polymer should be related to its conductivity. Why it
is much smaller? I got some data for the hole mobility. The largest is 0.1 ~ 1
cm2/Vs for field effect hole mobility, reponsding to 10 cm2/Vs for defect free
hole mobility.
I am quite confused at all those concepts such as hole drift velocity,
field-effect hole mobility and defect free hole mobility.
I am checking some book talking about them. But still prefer some book
especially talking abou
b**h
发帖数: 586
7
http://www.jacksonhole.com/travis.html
If you become the lucky one who won the Sweepstake, please take me with you:
-)
****************************************************************************
*****************************************
Win a Vacation for 2 to Jackson Hole Mountain Resort and a Day of Riding
with Travis Rice.
There are some opportunities in life that only come once. Forget poster
signings, movie premieres, photos. This is the real deal. You and Travis
Rice shredding till you dr... 阅读全帖
d******s
发帖数: 674
8
Got an Email from a deep cliff
Once again it's that time of year for the annual Cupertino Rotary Birdie
Shoot Out and Hole-In-One Contest at Deep Cliff Golf Course!
This year the event will be held on Saturday, May 2, 2009 and benefits the
Teen Center at the Cupertino Library.
In the late afternoon, the contestants will shoot for a Hole-In-One on Hole
# 18. This year the prize for the Hole-In-One is an SUV(2009 Mercedes GL550)
. To qualify for the Hole-In-One contest, there will be a "Closest t
q*c
发帖数: 17993
9
Jackson Hole是我心中一直向往的滑雪圣地。这次成行,我心中的兴奋和要见到梦中情
人的感觉有一拼。:)
Jackson Hole滑雪场的山脉和Grand Teton相连一体,峰峦叠嶂,连绵起伏,轮廓清晰
秀美。这里又因为与黄石公园相距甚近,更加增添了几分神秘感。
Jackson Hole滑雪场inbound 已足有2500英亩,一半的道是Expert的,被称为最陡峭的
滑雪场。到这里,一般的高手总是能碰到更高的高手,勇于挑战的滑雪者有着广阔的天
地,他们还可以走进backcountry那3000多英亩的未知世界,去探索Grand Teton的雪原。
望着缆车下,一同坐缆车的一位中年滑雪者对我们说:别从这条道下去,他昨天花了一
个小时下去。下了缆车,我们第一趟奔跑的是一条Groomed 过的单黑道。
第二次一同坐缆车的,是两位snowboard高手,他们的板子的binding看着就很好,高手
买的是Jackson Hole 的季票,脱口而答便是在Jackson Hole 每年滑了七八十天,又在
阿拉斯加直升机空降滑多少天。。。。。。
下了缆车,高手从一旁的陡坡下去了。我和同伴分开
s*******r
发帖数: 1285
10
01/08/2014 - Fly to JAC and check in to Homewood Suites by Hilton Jackson (
you can book any hotel in that area). No rental car is needed - The hotel
is in downtown Jackson Hole, and they also provide complimentary airport
tranportation and free ski shuttles.
01/09/2014 - Ski or snowboard at Jackson Hole Mountain Resort.
01/10/2014 - Jackson Hole Iditarod Sled Dog Tour (dogsled + driving the dog
team + hot springs).
01/11/2014 - Ski or snowboard at Jackson Hole Mountain Resort.
01/12/2014 - Yel... 阅读全帖
s*******r
发帖数: 1285
11
01/08/2014 - Fly to JAC and check in to Homewood Suites by Hilton Jackson (
you can book any hotel in that area). No rental car is needed - The hotel
is in downtown Jackson Hole, and they also provide complimentary airport
tranportation and free ski shuttles.
01/09/2014 - Ski or snowboard at Jackson Hole Mountain Resort.
01/10/2014 - Jackson Hole Iditarod Sled Dog Tour (dogsled + driving the dog
team + hot springs).
01/11/2014 - Ski or snowboard at Jackson Hole Mountain Resort.
01/12/2014 - Yel... 阅读全帖
n********g
发帖数: 494
12
6月30日下午离开大提顿国家公园之后,我们来到了大提顿山脚下的小镇杰克逊城(Jackson Hole)。Jackson Hole位于怀俄明州,是一个风景优美的小镇,有着浓浓的牛仔风情。小镇得名于探险家杰克逊发现了这个山谷,它四周被大山环抱,就像是一个山洞Hole,随着时间的流逝,这个名字就沿袭下来了。鹿角中心公园,正是这个镇的标志性建筑,这个公园其实很小,其特别之处在于公园的四个入口都有一个由数千个鹿角搭建而成的拱门。鹿群冬天在提顿山脚下过冬,到了春天雄鹿会自动换角,鹿角会脱落在这里。当地的童子军春天就会去把鹿角捡回,用在鹿角公园的大门上,而且每年的5月份会在这个广场公开拍卖。
由于Jackson Hole旅游业发达,气候宜人又是滑雪胜地,这里吸引了很多富豪明星前来投资地产。据说这里的房价超过加州的海岸别墅。Jackson Hole大约是整个Yellow stone-Grand teton地区最繁华的镇了,由于该镇是通往山区的必经之路,很多游客都来此补充所需,这里变成了一个很商业化的小镇,围绕着鹿角中心公园的尽是些画廊和艺术纪念品商店,东西价格也非常昂贵。
H******9
发帖数: 2766
13
来自主题: Wisdom版 - 歌词:God-Shaped Hole
God-Shaped Hole :
Every point of view has another angle
And every angle has its merit
But all comes down to faith
Thats the way i see it
You can say that love is not divine and
You can say that life is not eternal
"all we have is now"
But i don't believe it
There's a god-shaped hole in all of us
And the restless soul is searching
There's a god-shaped hole in all of us
And it's a void only HE can fill
Does the world seem gray with empty longing
Wearing every shade of cynical
And do you ever feel ... 阅读全帖
k********8
发帖数: 7948
14
高盛Jackson Hole前瞻:伯南克会说什么?不会说什么?
经济 2012年08月29日 19:48    文 / H.Lin
来自高盛:
新的一年,新的期待。一如2010年和2011年当时,市场再次热盼伯南克周五Jackson
Hole年会的登场。市场希望从美国东部时间10:00(注:北京时间22:00)的伯南克演讲
中觅得FOMC 9月会议及之后的计划。
Q:你们是否预计伯南克会提供许多有关近期货币政策前景的其他信息?确切地说,他
会暗示我们,委员会是否将推出QE3吗?
A:不会。尽管我们预计他仍将重申,联储官员将进一步放宽政策,但继上周极为鸽派
的FOMC会议纪要过后,这一言论并不会带来什么新信息。至于伯南克是否将列出一系列
宽松政策选项——这一问题在2010和2011年Jackson Hole会议前夕备受市场关注——现
在也显得不那么重要了。这是因为,不同于2010和2011年,当时的Jackson Hole会议召
开时间早于8月FOMC会议纪要的发布时间。而现在8月会议纪要已经发布,我们已有一份
宽松措施清单:(1)延长或是重新给出远期利率指引;(2)重启资产购买计划,扩... 阅读全帖
ET
发帖数: 10701
15
来自主题: Golf版 - toughest golf holes at Austin, Texas
Got this email from the emaillist of Austin Golf Association. Besides the
point of fund raising, the other point is quite informative as well.
the toughest golf holes at Austin, Texas
******************
Scott Matheson is a local amateur that plays in a number of our events
around Austin. His daughter Mackenzie, who is 12 has Polycystic Kidney
Disease so that makes fundraising for this event close to his heart. On
October 27th he is setting out to fundraise for Polycystic Kidney Disease in
a v... 阅读全帖
A*f
发帖数: 3067
16
well, decent, depends on whats standard?
I checked my scorecard of that 9 holes (back 9) I played with you at
Callippe.
Yes, most holes are 2 putts, I guess that is why you got the impression that
my putting was not too bad.
But #11 par4, huge uphill hole, luckily, i was 2 on, 4 putts. Another, #15,
par3, my tee was on the green, but took me 3 putts. total 20 putts for 9
holes.
I played boundary oaks twice, both times, ended up with 42 putts. for #5 and
#6, I was GIR for both of them, and 4 putt... 阅读全帖
g*******7
发帖数: 170
17
活动组织到我的山头了!!!
我强烈不建议去Big Sky后,再前往Grand Targhee和Jackson Hole。
怎么都得经过West Yellowstone。那条路冬天经常被封。另外Yellowstone气温极其低
,-50F是常事,想去玩雪地摩托的别赶在最冷的时候12-3月去。小心冻成冰棍回来。
另外,从Grand Targhee去Jackson Hole的路,近的路走23号 要过Teton Pass,非常不
好开,主要是盘山公路。从没开过的话,All Whell Drive + Snow Tire是必须。
我冬天去Jackson Hole从来不走Teton Pass,宁愿多开半个多小时绕道去——安全。
我的建议是:要么去Big Sky及周边雪场;要么去Jackson Hole + Targhee。不要三者
连起来,冬天封路时间很多,而且很难开。
想要更具体的信息发email联系我a*****[email protected]
看看什么时候。说不定我也拉上我媳妇一起加入。
s*******r
发帖数: 1285
18
不適合! Jackson Hole 的雪道難度實際上要比標示的加一級!
如果你一般雪場只滑綠道 - 在 Jackson Hole 你可能只有 5% 的空間可以滑雪!
如果你一般雪場能滑藍道 - 在 Jackson Hole 你可能只有 15% 的空間可以滑雪!
如果你一般雪場能滑單黑道 - 在 Jackson Hole 你可能只有 40% 的空間可以滑雪!
"玩跳崖" ??? 瘋了才去跳吧?!
s*******r
发帖数: 1285
19
沒滑過 Jackson Hole 不知道 Jackson Hole 的好玩!
滑果了 Jackson Hole 之後 - 它就成了我的最愛!
如果你 ready 了 - Jackson Hole 是最棒的雪場!
V**D
发帖数: 2869
20
来自主题: Tennis版 - blocked holes!!! 难插入!!
估计你是指shared hole.
线头先用剪刀斜着剪,这样头比脚尖,然后按照好月的方法用尖嘴钳夹住头插进去。
如果原来的hole本来就小,而你已经穿了线了,这时要share hole就没有办法了,只有
剪断线,先用锥子把hole搞大了再穿。
s******o
发帖数: 298
21
Thick-Skinned Gravastars Vie to Replace Black Holes, in Theory
By Robert Roy Britt
Senior Science Writer
posted: 09:52 am ET
23 April 2002
As if black holes weren't mind-bending enough, a new hypothesis suggests an
entirely new idea for Nature's densest objects. In fact, the idea goes black
holes aren't holes at all but black bubbles with very thick skins.
The new idea, presented this week at a meeting of the American Physical
Society, was conceived to provide an alternative to the exotic descri
s******o
发帖数: 298
22
Thick-Skinned Gravastars Vie to Replace Black Holes, in Theory
By Robert Roy Britt
Senior Science Writer
posted: 09:52 am ET
23 April 2002
As if black holes weren't mind-bending enough, a new hypothesis suggests an
entirely new idea for Nature's densest objects. In fact, the idea goes black
holes aren't holes at all but black bubbles with very thick skins.
The new idea, presented this week at a meeting of the American Physical
Society, was conceived to provide an alternative to the exotic descri
W*****B
发帖数: 4796
23
香港国歌 荣耀洞归于香港 Glory Hole to Hong Kong
A glory hole is a hole in a wall, or other partition, often between public
lavatory cubicles or adult video arcade booths and lounges, for people to
engage in sexual activity or observe the person in the next cubicle while
one or both parties masturbate.
这首歌MV看了笑死个人,里面全是黑衣口罩防毒面具头盔,吹号还隔了一个黑口罩,尼
玛全是一群丧尸打扮啊。吓死人不偿命啊。不以为耻反以为荣的人渣恶棍汉奸卖国贼!
还几把荣耀归于香港。把荣耀洞归于你们吧,傻逼废青!
大家快去给thumbs down啊
https://youtu.be/rxPncxaKGx8
w*****m
发帖数: 20421
24
来自主题: Living版 - 几经周折HOLE SAW终于能用了
几经周折HOLE SAW终于能用了
一开始在AMAZON买了个DEWAUL的
HOLE SAW,结果说没有MANDREL
去HD买了个密尔沃基MANDREL
不配套装不上,退了HD买了个
密尔沃基HOLE SAW+MANDREL的COMBO
人说偶没有ANCHOR不行的,又买
了ARCHOR,买回来一看其实DRILL
自带的200件套里有一只能用,
昨晚终于DRILL两个书桌洞,走
电脑线的,第三个的时候DRILL没电了
就是那个BLACK DECK电池的DRILL,
很难用,今天只好充电去了。想着
今天回家书桌再也不用拉电线了,
偶就偷偷地乐啊
p*********r
发帖数: 7944
25
什么叫ass hole?王岐山就是标准的ass hole。
为了自己随时随地出风头,肆无忌惮地打压部下。
太不是东西了。
s*******s
发帖数: 9926
26
来自主题: LosAngeles版 - Hole in the Wall and Kelso Dunes (转载)
【 以下文字转载自 SanDiego 讨论区 】
发信人: baddest (I am badder), 信区: SanDiego
标 题: Hole in the Wall and Kelso Dunes
发信站: BBS 未名空间站 (Tue Apr 9 14:58:54 2013, 美东)
从SD开过去,4-5个小时。15号转40号。40号上有一段限速60mile。警察端着激光测速
。40号上的Ludlow是最后一个加油站,所以最好加满油再进入无人地带。
Hole in the Wall露营一晚。如果没有风的话,很不错的camping ground。有基本的设
施。那天晚上风太大,基本没睡着。
第二天早去爬Kelso Dunes,距离Hole in the Wall 40mile左右。听说Kelso Dunes 是
美国境内最高的沙丘,我没查过是否属实。同行的人记录了一下。从下面的停车场到沙
丘最高处,大概400多英尺。看上去不难,爬起来很辛苦,非常地辛苦。
几张到此一游的照片。试了试拍星星。几次都被来往的车灯毁了,最后放弃睡觉。
1
2
3
4
5
6
7
8
9
10
1... 阅读全帖
A**9
发帖数: 3
27
主题:先参观Jacob's Well (自流泉),然后前往Blue Hole Park hiking (1-2 hours)
时间:周六,6/1,9:50am
地点:221 Wood Acre Drive, Wimberley, TX
装备:Bring water and simple lunch/snack, wear sturdy shoes
There are no entrance fees to Jacob's Well. Blue Hole trails are also free.
(A fee of $8 per adult may be charged to view Blue Hole or swim.)
愿意报个名,需要或能提供carpool的,请发邮件: H***********[email protected]
想以后一起活动的,可订阅邮件:H*********************[email protected]
B*****e
发帖数: 9375
28
来自主题: Football版 - follow tiger woods hole by hole
The list of raunchy phrases for this situation is endlss:
Tiger's Wood
Crouching Tiger, Hidden Falice
Tag Her Good!
Iron Wood
In the Rough
Daddysack
Wood She?
Back Nine Adventure
Master Blaster
When 18 holes Aren't Enough
Green Jackets, Black Balls
Nine Girls, Tin Cup
Tiger's PGA Whore
Trimming the Rough
The Ride-Her Cup
Pebble Breach
Steel Shaft, Titanium Head
Taking It One Hole At A Time
The Back Door Open
Stroke for Stroke
The Whoresome Foursome
Whore in One
Skins Game
The Clitish Open
Par 69
ET
发帖数: 10701
29
来自主题: Golf版 - shot even for 9 holes
roy kizer back 9. about 20mph wind from south to north.
birdies twice, bogeyed twice.
hit driver like shit, except last hole. body was too tired.
i just managed to get some up-and-down, and birdied the holes i am supposed
to do.
there are at least 6 birdie hole at the back 9.
d******s
发帖数: 674
30
9 holes:
sunken garden in sunnyvale
blackberry farm in cupertino
pruneridge in san jose
and some 18 holes course will allow you to play back 9 holes
d***t
发帖数: 210
31
2 other 9-holes you might want to consider -
1) lake chabot has a par-3 9-hole course. $9 flat fee anytime.
2) Las Positas in livermore has an executive 9-hole. Good value too.

at
options
A*f
发帖数: 3067
32
来自主题: Golf版 - Cheating Sheet: 4th Hole Los Lagos
Scot Hathaway, PGA
General Manager
One might think that a "Turning Point" hole would come late in a round, but
not here at Los Lagos. After three nice, easy warm-up holes with little
consequence for errant shots, golfers arrive at the innocent-looking par-4
fourth hole. Measuring a non-threatening 291 yards, it appears as if you
could almost throw the ball onto the green--but don't be fooled! With ball-
gobbling water between the tee and the green, as well as intimidating
bunkers on the left sid
A*f
发帖数: 3067
33
Mike Ash
General Manager, Callippe Preserve
12th HOLE
Callippe Preserve GC
Pleasanton, CA
After playing difficult par-4s back-to-back at the 10th and 11th holes,
golfers look at the scorecard and see that the 12th is a short par-4
carrying the number 16 handicap and measuring just 299 yards from the blue
tees and 282 from the whites. Anyone who thinks they are catching a break
had best think again.
The 12th hole at Callippe Preserve sits on one of the highest points on the
golf course. The eleva
A*f
发帖数: 3067
34
actually, white tee is not that easy too.
there is only two holes par 3 (#6, #8) could be called easy hole, but with
wind blow, they could become very hard as well.
given there are water/hazardous everywhere from all other holes, it is not
that easy to make a birdie from #2,#4,#5,#7,#9, you need at least two to get
on the green.
and #3 is 157 yards par3 over water and with bunker at other side of water,
the only way to make a birdie is to land on green which is not easy from 157
yards out.
so, t
C******s
发帖数: 1917
35
来自主题: Golf版 - First Hole In One
山里的hole-in-one别有洞天,呵呵。
我们球会有个hole-in-one保险基金,大家每年交钱,这样如果有人hole-in-one,就不
用自己掏腰包给所有球场里打球的人买饮料了。
b**j
发帖数: 20742
36
来自主题: NCAA版 - follow tiger woods hole by hole
【 以下文字转载自 Football 讨论区 】
发信人: brmj (病人梦见), 信区: Football
标 题: follow tiger woods hole by hole
发信站: BBS 未名空间站 (Fri Apr 9 13:36:23 2010, 美东)
*wink wink*
s****y
发帖数: 2159
37
来自主题: Ski版 - 无穷魅力之Jackson hole
一路追逐雪山去了, 也看山,也滑雪。
Jackson hole 是无与伦比的,背依grand teton, 连绵起伏着。如果说vail是妖娆的,
华丽的, Jackson hole 则是
带着仙气的 ,神秘的,阳刚的气质, 他是可以点燃你的激情, 去纵情 explore 他的
。 想起同伴望着未知的峭壁和
树林, 说了一句:死了算了,就滑下去了。那次,我走了傍边的一个黑道, 在lift
边等了很长很长时间,没等到
她。 再次看见她已经是下午了,据说她迷了路,走入了灌木丛,雪很深,能看见深陷
的脚印,都是摔掉ski后人们
无法穿上的印证。走过那样的道,觉得认真考虑需要准备beacon了.
我去年的理想是能平行着从山上滑下来,今年的 理想是能流畅地从mogul上滑下来。能
置身山中,雪里,飘扬坠
落,已经很满足了。corbets couloir的断崖, 我将永远仰望了,没有跳下去的理想。
同伴说要看当时的勇气和心
情,说不定就跳了,我想都不敢朝那里去想 。
Jackson hole 到处都是牛人,随便跟我们一起坐lift的人,都是玩heli-ski的, 说出
来的都是每年jackson
g*******7
发帖数: 170
38

不如直接飞Jackson Hole。Jackson Hole有往返Grand Targhee的大巴,无需自己开车
。Idaho Falls到Grand Targhee 1个半小时,到Jackson Hole冬天要2小时至少。
http://www.jacksonholealltrans.com/targheeexpress.html
s*******r
发帖数: 1285
39
很難說! 你說的 Yes and No!
如果只滑 in the piste 那樣大概有一半的 Jackson Hole 沒滑到! 而雪道在那裡要
往上加一級才等於其它雪場的 (JH 的 藍道 有如其它地方的 單黑)
那麼如果要滑 off-piste 的地方 ... Jackson Hole 有很多好玩的地方! 而 off-
piste 往往難度較高 ...
Anyway ... Jackson Hole 是我心目中的 #1
k*****r
发帖数: 1435
40
来自主题: Ski版 - Jackson Hole从此姓Vail
flatten the terrain (and mark them higher), put condos everywhere and offer
plenty dining options. Check the "news":
Katz stated one of the main problems with Jackson Hole Mountain Resort (now
Vail Resorts at Jackson Hole) is the abundance of steep, technical terrain.
“Families–especially rich gapers–do not want to come to Jackson Hole
because they do not have the ability to ski most of the terrain,” Katz said
in the release. “The effort to grade parts of the terrain under the Casper
chair was a... 阅读全帖
d****i
发帖数: 126
41
来自主题: Ski版 - Jackson Hole滑雪问题
大家好!春假又要到了,我准备带10岁的儿子去盐湖城和Jackson Hole滑雪。因为没去
过Jackson Hole,不知道从盐湖城开到那里好不好开。我听说Teton Pass一段坡度较陡
,最大坡度有10度。如果不好开的话,绕道 Alpine是不是要好些?
Jackson Hole的黑道较多,是不是不适合孩子滑雪?还有,有没有人滑过corbet's
couloire? 我最早是从这个版上关于雪道坡度的讨论中知道它的。不知道有生之年能
不能去滑一次。
b*s
发帖数: 82482
42
来自主题: Apple版 - Holes for cable and holes for finger
19. When I plugged in my keyboard and connected my modem to the wall jack, I
threaded the cables through the hole in the door of the iMac's I/O
compartment, but that arrangement looks kind of funny, and it makes opening
the compartment door a bit awkward. Did I do someting wrong?
No harm in what you've done, as far as we know, but according to Apple,
that hole wasn't designed for cables - it's for your fingers, when you want
to open that door. There's room to thread the cables out at the
bottom-
s******o
发帖数: 298
43
来自主题: Astronomy版 - Distant Black Holes May Be Smaller[zz]
Cosmic Illusion
Some very distant black holes may be smaller than they seem.
by Vanessa Thomas
During the past few years, as astronomers have begun to find quasars from the
universe's early childhood, a cosmic conundrum has begun to surface. The
luminosities of these remote quasars are so high that they must have
incredibly massive black holes to power them. But no one can figure out how
such supermassive black holes could have developed so soon after the Big Bang.
In the June 27 issue of Nature
s*****t
发帖数: 1994
44
来自主题: Astronomy版 - Black Hole Belch Overheard
Black holes, like ill-mannered diners, let out a belch after wolfing down a meal. Now for the first time,
an astronomer says he has detected this cosmic burp--in the form of gas rapidly escaping a black
hole that has just swallowed a star.
The biggest appetites belong to quasars--supermassive black
holes at the cores of distant galaxies. As gas and stars are
violently sucked in
s*****t
发帖数: 1994
45
A Near Record Ozone Hole in 2003
Credit: SVS, TOMS, NASA
Explanation: As expected, the ozone hole near Earth's South Pole is back again this year. This year's hole, being
slightly larger than North America, is larger than last year but short of the record set on 2000 September 10.
Ozone is important because it shields us from damaging ultraviolet sunlight. Ozone is vulnerable, though, to
CFCs and halons being released into the atmosphere. International efforts to red
r******y
发帖数: 21907
46
Scientists watch black hole born in split-second light flash
After 30 years, they finally caught one. Scientists on Monday have for the f
irst time detected and pinned down the location of a so-called "short" gamma
-ray burst, lasting only 50 milliseconds.
The burst marks the birth of a black hole. The astronomy community is buzzin
g with speculation on what could have caused the burst, perhaps a collision
of two older black holes or two neutron stars. A multitude of follow-up obse
rvations are
M*********m
发帖数: 2024
47
At least you should tell us which kind of interface material are the holes
drifting in? GaAs, AlGaAs, ... the effective mass is different for different
"holes".
The tunneling process is the easiest to work out, suppose the difference in
surface energy is Vd, then the tunneling time scale is hbar/Vd and the
tunneling rate is exp(-sqrt(2*m_eff*(Vd-E))/h*d), d is the thickness of the
layer. If Vd is smaller than the kinetic energy of the holes, that's accounted
by diffusion. Of course there might b
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