Friday, February 23, 2007
Wednesday, February 21, 2007
Yes. the file is still there.
But there are some problems. Dad said that Uranium is very dangerous, so we shouldn't pay too much attention to the PDF.
Thursday, February 15, 2007
... This time I think I like Chemical Elements. because they are metal and they have different kinds in the world. Really interesting.
But most of them are EXPENSIVE.
Check this PDF and you'll know why they're expensive
http://www.element-collection.com/RGB_Elements_OCT04_rev05.pdf
1g of any elements ... more than US$10(HK$78)!!!!
but they are so beautiful...