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第154章 小孔成像(2 / 2)

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秋日午后的阳光洒进殿内,晒得长孙冲暖洋洋的,长孙冲下意识的就想翻了个身,顿时一阵疼痛袭来,让长孙冲立刻又翻了回来,接着倒吸了一口凉气。

“是不是望远镜里就放了两个小孔,倒过来,再倒过来,然后转动旋钮让距离变大,我们就可以从望远镜里看到远处的景象了。”杜如晦以为自己明白了原理,自信满满的回答道。

“恭喜你”,长孙冲声音一扬,杜如晦还未开心,长孙冲立刻画风一转道,“猜错了。”

长孙冲无视了杜如晦幽怨的眼神,对着李世民说道:“望远镜从中间顺时针旋转,可以将它拆开。”

李世民是不舍得的,玩意拆坏了,万一装不上怎么办,可是迎着这么多人的目光,李世民自然也不能落了下成,于是咬咬牙,按着长孙冲的要求拧开了望远镜。

“小心点倒过来,里面有一个琉璃镜。”长孙冲嘱咐着李世民,这可是系统奖励的现代望远镜,自己打磨可打磨不出这么光滑的。

李世民小心翼翼的拿着从望远镜筒内倒出的琉璃镜,全身通透,是上好的琉璃,两面凸起,摸起来很是光滑。

“你们可以拿着这个琉璃镜离近点看东西试试。”

李世民拿着这琉璃镜靠近桌子,从琉璃镜内,桌子上细小的花纹和木头的纹理顿时清晰可见。

李世民又拿着镜子靠近自己的手掌,一处处肉眼难辨细小的掌纹也清楚的出现在自己的视野之内。

李世民还没再多看上几处,一个个大脸已经凑了上来,挤开了李世民,看着凸透镜内的景象大呼小叫起来。

“怎么看远处看不了啊。”秦琼拿着凸透镜对着远处的大树望去,什么都看不见,于是好奇的问向长孙冲。

“呃……”长孙冲挠了挠脑袋,整理着合适的话语,思考怎么才好给这帮古代人解释。

组织了一会语言后解释道:“这种琉璃镜双面凸起,又十分透明,于是我把他叫做凸透镜。正常来说,一个望远镜应该有两个凸透镜,你们可以理解为一个负责将远处的景象送进望远镜里,一个负责将望远镜里的景象送进眼睛里。”

众人恍然大悟般的纷纷上下摇晃起脑袋。

李世民看着手中的望远镜实在不知如何是好,这东西太有用了可造价也太过昂贵,要用琉璃做啊,他哪来那么多的琉璃,而且还得要这种厚点的琉璃才能做成。

“姑父,别伤心了,毕竟这么有用的东西贵点多正常啊。”长孙冲站起身走到李世民的身边熟练的拍拍他的肩膀,这一幕看的众人一愣一愣的。

“要不是我家实在是没有合适的琉璃了,否则我肯定全做成望远镜给你送来。”长孙冲捻起两个果脯扔进嘴里,一边嚼一边含糊的说道。

“其实你可以给朕你的几间铺子的,朕就有钱买琉璃了。”李世民目光凿凿的看向长孙冲。

“姑父啊,我可以给你几千万战马,可以给你几十万亩的土地,因为这些我都没有。”长孙冲摊摊手。

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