第907章 和我买菜去吧
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“我就说么,光靠爪子掂量着称重那有这么精确,这回总算是错了吧?”一名实验员顿时觉得释然了,刚才二蛋可是给了他们不小的压力,这些人可都是名校的高材生,就算是在自己不擅长的领域,被一只动物比过去心情多少有些不舒服,现在见到二蛋出错,他们终于可以松一口气了,这个程度勉强还可以接受。
“能到一克的精确度已经很厉害了!咱们可没有这个本事。”既然对方已经失败了,那么他们也就没有必要再那么紧张,已经开始有人给二蛋找借口了。
“等会儿,情况好像有点不对劲!”沈一宾正想附和两句呢,却看到太平竟然奇迹般地保持着水平,左右两边的托盘稳稳地悬在同一条水平线上,“天平的结果显示完全没有问题啊,这块木头的重量就应该是二百七十四点五克,二蛋没有测错!”
“不可能!我刚才称了好几遍!而且用的还是电子天平,可比这玩意儿精确多了!”刚才拿过木块的那名实验员断然否决!
“那到底是怎么一回事儿?”沈一宾指着那台天平,一起可不会撒谎,既然木块和二百七十四点五克的砝码保持了平衡,那这块木头的重量就应该是二百七十四点五克,而不是你刚才所说的二百七十四点四克!首发..
“是不是游码被碰到了?或者说是盛放木块的托盘掉进去了什么东西?”这些人不愧是天天混实验室的,很快就想出了好几种可能导致测量误差的可能。
“我来看看!”实验室里最擅长操作天平的实验员站了出来,趴在天平前上上下下、左左右右、仔仔细细的打量了好几遍,可不管他怎么检查,都没有检查出一点儿问题,游码保持在零点的位置,盛放木块的托盘干干净净,他甚至把托盘底部都看过了,还是没有发现一点儿可以干扰到测量结果的杂物,最后他不得不站起来,“天平没有问题。”
“或许是这台天平的精度不够?没办法精确地测量零点一克的重量?”又有人提出了一种可能,不过很快就被大家给否决了,虽然这台天平比不上电子天平那么精确,可零点一克的重量还是测量的出来的,对于这台天平来说,零点一克可是一个不小的数字。
“该不会真是你测错了吧?”既然这边没有问题,那肯定就是刚才测的不对了,大家伙儿又把头转过来,对准了刚才提供木块的那位。
“喏,测量记录就在这儿呢,你们都看看吧!”他直接在电脑上调出了刚才的操作记录,“我刚才连续测了三次,每次的结果都是二百七十四点四克,根本不可能出错。”大家伙儿又挤到电脑前,仔仔细细的检查了测量的过程和这台电子天平的状态,同样是一点儿问题都没有发现,他的测量过程和结果也是正确的。
“那到底是怎么一回事儿?”大家伙儿这回可是愣住了,没道理同样的物体会有两个重量吧?就算只是零点一克的重量差别,那也是不应该出现的。
“哦,我明白了!我看到距离你上次测量重量,已经有半个小时了吧?”在实验室里工作,干得就是各种扣细节、找错误和可能性的活儿,仔仔细细琢磨了一会儿,排除了种种可能,终于有人发现了真相。
“今天咱们实验室里的空气湿度似乎有点高?”经他这么一提醒,大家伙儿很快也都反应了过来,“木头可是会吸取空气中的水分的!”
“对啊,吸了这么长时间,多个零点一克的重量一点儿也不奇怪啊!”都说到这份儿上了,就算是沈一宾也明白了,木头原本的重量就是二百七十四点四克,那位实验员并没有测量错误,只是木块放置在湿润的空气中这么长时间,难免会吸收一些水分,从而导致自身的重量上升,多了那么零点一克,也就是说,二蛋同样没有测量错误,眼下这块木头的重量的确就应该是二百七十四点五克。
“厉害了!连零点一克都能用爪子掂量出来!这也有点太夸张了吧!”真相揭晓,大伙儿纷纷惊讶的长大了嘴巴,这可是已经超出了人类所能达到的极限,“这到底是怎么一回事儿啊?有点不科学吧?”
“浣熊的爪子非常灵敏,上面的触觉细胞相当丰富,在与水接触后,爪子上的慢速适应感受器的灵敏度提高了,浣熊可以依靠爪子测量食物的重量、尺寸、材质以及温度。”沈一宾下意识的想起了自己当初看过的这段资料,再看看二蛋的爪子,上面的确有点湿润,“虽然这些东西不是食物,不过按道理也能测量出重量吧?这可是浣熊的天赋本领啊!”
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