三百九十六章:超越仪器的恐怖精度
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然而当日理工大学的学生们,架好显微镜,把目光转向显微镜上的液晶显示器时。
他们的反应,比引爆了一颗手雷还夸张。
唰地一下,他们往后退了一步。
“这不可能!”小林井用母语大叫道:“为什么它的表面是平的?”
其他学生,大抵也是活见鬼表情。
因为他们刚刚把放大倍率,调到一千两百倍的最佳观察倍数时候,竟然看见这根铁尺的表面,依旧平滑。虽然没有镜子那么平,可是和肉眼直接靠近普通钢铁,观察它的表面差不多。
想要研究金属,第一步就是研究它的表征。
放大一千两百倍,可以直接看见金属表面的显微结构,比如金属上面,宛若雪花一样的马氏体与奥氏体。
同样,他们肉眼观察这根铁尺,没有发现猫腻,自然认为被隐藏在了肉眼不可见的显微机构下。
结果他们看见了什么?
如果说之前的刻字,对他们来说,堪称困难级加工技术。那这块铁尺的平滑表征,就相当于恐惧级加工技术。
费了老大力气,他们才压抑住心中的恐惧,继续研究起这根铁尺。
时间在一一过去,日理工大学这边,之前得意早就飞到了西伯利亚,换上凝重,抓狂。
因为他们什么都找不到,无论用什么方式观察。这根铁尺的表面,全部一马平川,别说猫腻谜题,连一个不是黑色的色斑都找不到。
“哈哈~你们看他们纠结的样子。”
“被难住了,再让他们小瞧我们试一试?”
“我觉得……他们需要名侦探柯南来救场!”
时间一直过去了半小时,小林井艰难的抬起头,脸上全是汗珠:“经……经过我们一致研究,这根铁尺上,似乎没有奥秘。”
“有。”叶青不紧不慢的回答,让日理工那帮学生都快痛不欲生了。
“你们测量过,这根铁尺的长度么?”
“有……有测过。”小林井拿出一台手持测距仪:“这是我们尼康公司生产的测距仪,不仅长度,连宽高我们也测过。”
“它的长度是032569米。”
“尺能量长,答案就在它的长度上。”叶青站了起来,摇摇头:“测距仪的精度不够,你们换更先进的仪器,来重新测量一下它的长度。”
“可是我们已经精确到了丝米,它的长度太长,千分尺无法测出来。想要更精确,那就要用激光干涉仪。”
“你们的激光干涉仪,可以精确到哪个级别?”
“纳米级。”小林井的声音中带了一丝咆哮:“我们可以精确到2纳米,但是测量这根铁尺有什么意义?”
“十亿分之二米的精度,现阶段根本没有机床加工出来。哪怕我们的工业母机,也只能把金属材料的精度,确定在五十纳米。”
“032569米?”叶青目光严肃地说出一段数字。
“什么意思?这个长度,是我们测出来的。”
“后面还有734。”叶青看着他,报出了一段数字。
小林井有些不相信地道:“你们把精度精确到了01丝?”
“既然你们的激光干扰仪,也达不到精度标准,那我就告诉你准确答案。”
叶青平静的说道:“我们把精度,定格在了二分之一纳米上,也就是一百亿分之五米的精度。”
“尺能量长。”
“如果你们在真空箱里,用更先进的干扰仪,去测这根铁尺的长度。”
“会得出这样一组数字032569734830,很简单的一组十进制数字,只要把这组数字,用十进制换成你们的文字,就能得出你们要在上面刻的字。”
静。
时光老人在多媒体中心内,丢下了时光炸弹,让他们的神情瞬时定格。
把尺子的长度,转换成他们的文字?
得出……
他们要刻的字?
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