[天光] 综合孔径光学

They Did It With Mirrors!

They Did It With Mirrors! You can’t stand in front of the paintings of the old masters and not wonder, how did 1) Frans Hals make that lace seem so real? How did 2) Van Dyck make his armor so gleami

发表于:2018-11-28 / 阅读(146) / 评论(0)

疯狂英语2003年

走进剑桥大学第8期:牛顿的苹果树

Newtons Apple Tree 牛顿的苹果树 Newton was an English physicist and mathmatician,and was the greatest scientist in his era. 牛顿是一位英国物理学家和数学家，也是他那个时代最卓越的科学家之一。 Isaac Newton was bor

发表于:2018-12-18 / 阅读(60) / 评论(0)

走进剑桥大学

科学美国人60秒 SSS 雷达扫描朝鲜核弹的详细信息

Radar Scans Detail North Korean Nukes North Korea has promised to close its underground nuclear test site at Mount Mantap later this month. Shortly thereafter, President Trump is set to meet North Korea's leader Kim Jong-un in Singapore. 朝鲜已承诺

发表于:2018-12-24 / 阅读(32) / 评论(0)

2018年科学美国人5月

音乐咖啡厅:Tamas Wells-For The Aperture

For The Aperture January And Further Travels In The Near East Raised your hands by the Nile and held your case to inquire of the tiles and strings born by those kings who fought their way for the aperture. Size and makes and bazaars where two in ten

发表于:2019-02-02 / 阅读(89) / 评论(0)

音乐咖啡厅

我国首颗高分辨率雷达遥感卫星"高分三号"成功发射

China launched a new high-resolution Synthetic Aperture Radar (SAR) imaging satellite from the Taiyuan Satellite Launch Center last Wednesday. 上周三，在太原卫星发射中心，我国发射了一颗新型高分辨率合成孔径雷达成像卫星

发表于:2019-02-05 / 阅读(84) / 评论(0)

英语新闻

可以调焦的眼镜?

可以调焦的眼镜? They may look like an ordinary pair of spectacles, but these glasses are at the forefront of a revolution in eyewear. 它们看起来像普通的眼镜，但是是眼镜改革的最前沿。 Part of a new line of electronic eye

发表于:2019-02-07 / 阅读(64) / 评论(0)

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accounts receivable discounted