H*g
2 楼
【 以下文字转载自 Biology 讨论区 】
发信人: chestburster (chestburster), 信区: Biology
标 题: Re: 一工的研究是不是相当于古代算pi?
发信站: BBS 未名空间站 (Tue Jul 8 11:00:56 2014, 美东)
相当于古代炼金术士养出了Philosopher's Tree。战胜了之前三百年的炼金术士，向制
造点石成金的Philosopher's Stone迈出了坚实的一步。
是五百年以后可以载入哈里波特的伟大成就。
发信人: chestburster (chestburster), 信区: Biology
标 题: Re: 一工的研究是不是相当于古代算pi?
发信站: BBS 未名空间站 (Tue Jul 8 11:00:56 2014, 美东)
相当于古代炼金术士养出了Philosopher's Tree。战胜了之前三百年的炼金术士，向制
造点石成金的Philosopher's Stone迈出了坚实的一步。
是五百年以后可以载入哈里波特的伟大成就。
c*7
3 楼
有8块的
A*r
4 楼
大蝌蚪果然是一盏明灯
l*i
5 楼
大半年没用过鼠标了。。
H*g
6 楼
http://en.wikipedia.org/wiki/Diana's_Tree
Diana's Tree (Latin: Arbor Diana or Dianae), also known as the Philosopher's
Tree (Arbor Philosophorum), is a dendritic amalgam of crystallized silver,
obtained from mercury in a solution of silver nitrate; so-called by the
alchemists, among whom "Diana" stood for silver.[1][2] The arborescence of
this amalgam, which even included fruit-like forms on its branches, led pre-
modern chemical philosophers to theorize the existence of life in the
kingdom of minerals.[3]
这个解释好奇怪。那个图里的树怎么看怎么像盐结晶，不像银结晶
Diana's Tree (Latin: Arbor Diana or Dianae), also known as the Philosopher's
Tree (Arbor Philosophorum), is a dendritic amalgam of crystallized silver,
obtained from mercury in a solution of silver nitrate; so-called by the
alchemists, among whom "Diana" stood for silver.[1][2] The arborescence of
this amalgam, which even included fruit-like forms on its branches, led pre-
modern chemical philosophers to theorize the existence of life in the
kingdom of minerals.[3]
这个解释好奇怪。那个图里的树怎么看怎么像盐结晶，不像银结晶
H*g
7 楼
http://cenblog.org/newscripts/2011/08/reconstructing-alchemical
. “The idea was that you take common mercury, and you turn it into ‘
philosophical mercury’ by distilling it from various mixtures of metals,”
Principe says. “Somehow this makes it a fit liquid for nurturing the seed
of gold.”
....
After a month of work, he says, he got something that should have been,
according to Starkey, philosophical mercury. He then mixed it with a small
bit of gold, put it in a small sealed flask with a long neck, and heated it.
....
There in the flask was a beautiful treelike structure of mercury and gold.
所以看起来应该是汞齐的晶体
. “The idea was that you take common mercury, and you turn it into ‘
philosophical mercury’ by distilling it from various mixtures of metals,”
Principe says. “Somehow this makes it a fit liquid for nurturing the seed
of gold.”
....
After a month of work, he says, he got something that should have been,
according to Starkey, philosophical mercury. He then mixed it with a small
bit of gold, put it in a small sealed flask with a long neck, and heated it.
....
There in the flask was a beautiful treelike structure of mercury and gold.
所以看起来应该是汞齐的晶体
H*g
8 楼
To make the philosopher’s stone, Principe says, the mercurialists believed
that “you needed to awaken a seed that’s within gold to cause it to grow—
just like when a farmer takes seeds and puts them in the ground and waters
them, he gets more seeds back in the harvest.” This group of alchemists
therefore used a lot of agricultural metaphors and imagery in their writings
and drawings.
that “you needed to awaken a seed that’s within gold to cause it to grow—
just like when a farmer takes seeds and puts them in the ground and waters
them, he gets more seeds back in the harvest.” This group of alchemists
therefore used a lot of agricultural metaphors and imagery in their writings
and drawings.
d*o
9 楼
我高中毕业就不学生物了，理解只能到这个层次
到底是不是这样？
我觉得结构这个东西以后应该显微镜一看就知道了吧？
【在 A*********r 的大作中提到】
: 大蝌蚪果然是一盏明灯
到底是不是这样？
我觉得结构这个东西以后应该显微镜一看就知道了吧？
【在 A*********r 的大作中提到】
: 大蝌蚪果然是一盏明灯
H*g
10 楼
关于这个结构的意义，生物版里starphage的回帖比较靠谱。英语里不是说a picture
worth a thousand words吗。
未来可能的确就是用显微镜一看就知道了。
这个结构本身就是用电子显微镜解的，看上去施一公努力了好几年想结晶，但是没成功
。这个方法基本上就是直接用透射电镜拍照片，然后把照片叠加起来猜测三维结构到底
应该是什么样子。这个方向做得好的中国人相当多，不过这回施一公是和英国一个组合
作做的。
【在 d****o 的大作中提到】
: 我高中毕业就不学生物了，理解只能到这个层次
: 到底是不是这样？
: 我觉得结构这个东西以后应该显微镜一看就知道了吧？
worth a thousand words吗。
未来可能的确就是用显微镜一看就知道了。
这个结构本身就是用电子显微镜解的，看上去施一公努力了好几年想结晶，但是没成功
。这个方法基本上就是直接用透射电镜拍照片，然后把照片叠加起来猜测三维结构到底
应该是什么样子。这个方向做得好的中国人相当多，不过这回施一公是和英国一个组合
作做的。
【在 d****o 的大作中提到】
: 我高中毕业就不学生物了，理解只能到这个层次
: 到底是不是这样？
: 我觉得结构这个东西以后应该显微镜一看就知道了吧？
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