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知識通訊評論 » 用電腦抓住真實世界
by phgod
〔引〕電腦會從安座在辦公室裏的數字計算者，變為田野操作者。每天二十四小時，全年無休，它們能計量生態系統或人體所有可以想像的變數，規模大小從奈米到洲際大陸都行。
The Celestia Motherlode: Home
by tinyirishdancer & 6 others
The Celestia Motherlode is a repository for various addons like textures, models or celestial objects for Celestia. Celestia is a free, interactive (real-time), 3D astronomy program.
Celestia: Home
by tinyirishdancer & 17 others
The free space simulation that lets you explore our universe in three dimensions. Celestia runs on Windows, Linux, and Mac OS X.
