一些關於台灣的 3D topo 的 links
Sunday, June 29th, 2003GTOPO30 (about 1 km resoultion)
Taiwan 3D
LDEO
Comsearch and this(30 m resolution, expansive)
for fs2000
海洋地球物理資料(Marine Geophysical Data)
Geocomm.com
GTOPO30 (about 1 km resoultion)
Taiwan 3D
LDEO
Comsearch and this(30 m resolution, expansive)
for fs2000
海洋地球物理資料(Marine Geophysical Data)
Geocomm.com
Is Google God? (here too) 小心! Google 就在你身邊! 讓你擁有如 God 的權力時,也把你一生在網路上作的好壞事巨細靡遺的記錄下來。 想像一下,以後的歷史學家在 google archive 翻 byte 倒 XML 作研究的的樣子。
黃澄和綠蔭融合的液汁
幾葉破碎
一點點油漬的液面
繚繞的蒸氣
開始一日的起點
在咖啡因 的 驅使下
這是阿國寫的一篇文章。我很能想像這對話的場景。現在有錢的留學生是越來越多,出國讀書和出國玩差不了太多。
阿國是我在西雅圖的一個朋友,由於家境的關係,很刻苦的在西雅圖生活。現在的留學生要找到像他一樣的不多了!說來慚愧,雖然在國外唸書的這幾年,除了拿了家裡的 start up fund,並沒有多用家裡的錢,但是也沒有存多少錢。常常對自己越來越美式的生活感到罪惡。(實在沒辦法,週末真如果要出門,隨隨便便就要開上 100 哩的車。)讓我想起,在 Ghost in a Shell 漫畫裡有一句話,大致上是這樣說的,『生活在富裕的國家本身就是對在貧窮國家的人們的一種壓迫!!』
Athough this is not new, it is still interesting to read some discussions about this idea in Slashdot.
Convergence of Biology and Computers? and Biology to make mini machines.
By the way, “mini” is not a term as sexy as “nano” recently. When will we see adverstiment about “nano-skirt”?
Just a link:
學英文時總是為了英文不規則的拼音給困擾。前一陣子跟我的同事提起這件事,他寄了一篇 Mark Twain 寫的,叫 A Plan for the Improvement of English Spelling 的文章給我。說實在的語言這種的東西跟文化是脫不開關係的,所謂的邏輯在語言裡不過只能拿來參考吧!這也是為什麼學語言和學數學不一樣。學語言有好一部份是在學一種文化對事物的認知,也許成年人要學新語言的障礙,除了發音外,還有認知能力的『空固力化』。
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有人無聊拿接到一台電視的攝影機往那台電視上拍,可以得到一些有趣的遞迴照片。今天試著用 OSXvnc,也來試試看交互遞迴的 desktops。
在今天的 Slashdot 上看到這篇文章,好像會有用,用 blog 把這篇文章連起來。
SecurityFocus HOME Infocus: The Enemy Within: Firewalls and Backdoors
This has been one topic I would like to investigate in detail. I put this entry here to remind myself.
http://xxx.lanl.gov/abs/quant-ph/9612034
A quantum-mechanical Maxwell’s demon
Authors: Seth Lloyd (MIT Mechanical Engineering)
A Maxwell’s demon is a device that gets information and trades it in for thermodynamic advantage, in apparent (but not actual) contradiction to the second law of thermodynamics. Quantum-mechanical versions of Maxwell’s demon exhibit features that classical versions do not: in particular, a device that gets information about a quantum system disturbs it in the process. In addition, the information produced by quantum measurement acts as an additional source of thermodynamic inefficiency. This paper investigates the properties of quantum-mechanical Maxwell’s demons, and proposes experimentally realizable models of such devices.