Hsing Chao Chen

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當我們用微距鏡頭拍攝各種動物的眼睛時,往往會驚艷於如宇宙超新星爆發一般魔幻的虹膜色彩。很多人因此醉心於眼部的微距攝影,當然在Flickr上也有許多精彩的作品等你來看。<p>更多相片可以在這個博覽館 和 這個群組 中欣賞到。

Gallery: DARPA's Falcon Hypersonic Glider's Mach 20 Launch Test

DARPA's HTV-2 Hypersonic Prototype in Flight<p>Credit: DARPA<p>An artist's illustration of DARPA's Hypersonic Test Vehicle-2 flying at speeds of Mach …