數理資優班 @ 冒牌自然老師

May 05 Wed 2010 09:58
大片偏振片去哪裡買?

偏振片25cm*25cm每片350元
向標達世界科技購買
http://tech.buder.com.tw/

總經理李先生0936230572

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Mar 27 Sat 2010 18:54
寫出Mathematica天才科學家

Stephen Wolfram

介紹/陳育霖

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Mar 27 Sat 2010 16:41
Wolfram Alpha-知識型搜索引擎

Wolfram Alpha
改寫自
維基百科，自由的百科全書

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Mar 27 Sat 2010 11:53
柏拉圖的天空：普林斯頓高研院大師群像

冒牌老師註
這是一本很有意思的書, 原文寫得好, 翻譯也很不錯..

柏拉圖的天空：普林斯頓高研院大師群像

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Mar 16 Tue 2010 15:40
Soap In A Microwave

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Mar 10 Wed 2010 21:40
國際單位(SI制)量級代用詞

引自WiKi
Prefix Symbol 1000^m 10ⁿ Decimal Short scale Long scale

SI prefixes

yotta	Y	1000⁸	10²⁴	1000000000000000000000000	Septillion	Quadrillion	1991
zetta	Z	1000⁷	10²¹	1000000000000000000000	Sextillion	Trilliard	1991
exa	E	1000⁶	10¹⁸	1000000000000000000	Quintillion	Trillion	1975
peta	P	1000⁵	10¹⁵	1000000000000000	Quadrillion	Billiard	1975
tera	T	1000⁴	10¹²	1000000000000	Trillion	Billion	1960
giga	G	1000³	10⁹	1000000000	Billion	Milliard	1960
mega	M	1000²	10⁶	1000000	Million		1960
kilo	k	1000¹	10³	1000	Thousand		1795
hecto	h	1000^²⁄₃	10²	100	Hundred		1795
deca	da	1000^¹⁄₃	10¹	10	Ten		1795
		1000⁰	10⁰	1	One
deci	d	1000^−¹⁄₃	10⁻¹	0.1	Tenth		1795
centi	c	1000^−²⁄₃	10⁻²	0.01	Hundredth		1795
milli	m	1000⁻¹	10⁻³	0.001	Thousandth		1795
micro	µ	1000⁻²	10⁻⁶	0.000001	Millionth		1960^[2]
nano	n	1000⁻³	10⁻⁹	0.000000001	Billionth	Milliardth	1960
pico	p	1000⁻⁴	10⁻¹²	0.000000000001	Trillionth	Billionth	1960
femto	f	1000⁻⁵	10⁻¹⁵	0.000000000000001	Quadrillionth	Billiardth	1964
atto	a	1000⁻⁶	10⁻¹⁸	0.000000000000000001	Quintillionth	Trillionth	1964
zepto	z	1000⁻⁷	10⁻²¹	0.000000000000000000001	Sextillionth	Trilliardth	1991
yocto	y	1000⁻⁸	10⁻²⁴	0.000000000000000000000001	Septillionth	Quadrillionth	1991
The metric system was introduced in 1795 with six prefixes. The other dates relate to recognition by a resolution of the CGPM. The 1948 recognition of the micron by the CGPM was abrogated in 1967.

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Mar 09 Tue 2010 22:01
100個YouTube上的超酷科學實驗

引自
http://www.x-raytechnicianschools.org/100-coolest-science-experiments-on-youtube/

Although YouTube has something of a reputation as a repository for the inane mental diarrhea of stunted man-children injuring each other for cheap laughs or shrill teenage drama queens shrieking like harpies over the latest bland, interchangeable lump passing as the epitome of masculine beauty, many others thankfully take advantage of its services as a portal to share their knowledge and educate viewers. While few of the scientific offerings formally follow the scientific method or test an explicitly stated hypothesis, even those videos veering more towards demonstrating various principles, theories, and laws still offer visitors a chance to learn something about how the world around them operates. By this point, it should go without saying that many of the following videos contain procedures that may be dangerous to perform at home or without the proper equipment and/or training. Please do not duplicate any of these experiments unless assured that they are entirely safe for amateurs.

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