第4章 谁告诉我,鬼工球这玩意该怎么做?
笔趣阁(biquge321.com)更新快,无弹窗!
这么小的东西,普通电子秤,哪怕专门称小重量的食物天平,肯定也称不出来了——读数估计都跳不出。
沈乐在“下单买个精密天平”和“设法找人借一个”之间纠结了三秒钟,最后还是打开了淘宝。抬眼一扫,惹不起惹不起:
国产的万分之一克电子分析天平,630一架。进口的,最便宜也要三四千一架。当然,天天特卖商店,号称精度达到0.01克的,只要一百五一架,那玩意你敢用么?
他现在每个月的固定收入,天香楼每天100,和小木偶一人一半,落袋1500。各个学校巡演,一个月22個工作日拉满,每天一百,一人一半,落袋1100。两千六百块钱,自己吃用开销,完全够了,大手大脚买仪器,那就……
沈乐思考了一下,摸起手机,刷刷翻通讯录。翻了一遍以后,还是打给了警察石光兵同志:
“喂,在吗?能不能帮我个忙?”
必须承认,地头蛇就是地头蛇。
石光兵同学打了几通电话,仗着在当地人头熟,辗转托人,居然真的帮沈乐借到了精密天平——的使用权。很快,就给沈乐来电,让他带着需要检测的东西,去某某检测中心:
“什么?要我上门?不能借过来吗?”
“你想多了!”电话那一头,警察同志笑骂:
“万分之一天平那是什么精度,能随便搬动?别说不能搬了,放天平的桌子都是有防震效果的,称量室内的温度,也要保持恒温,不然都会影响精度!快点!那个检测员是我女朋友的同学,不然才不帮你忙!”
“好好好……”
沈乐满口答应。他把鬼工球仔细擦干净,再拿起喷枪,往里面奋力吹了一阵,将三层鬼工球内部的灰尘吹干净,带去警察说的那个检测中心。到了那边,还不准进检测室,只能隔着玻璃,踮着脚看:
那位检验员穿一身整洁的白大褂,工作帽、口罩戴得严严实实。她从自己手里接过装鬼工球的袋子,转身回到称量桌前,把天平归零,拿出了一个……
镊子?
好吧,不愧是日常用精密天平的检测中心,你们日常检测的,都是什么又轻又小的东西啊……
检验员用镊子夹着鬼工球,从天平玻璃罩的开口之间送进去,放在中央的秤盘上。电子天平正前方的显示屏闪了闪,立刻跳出来一个读数:
0.6867……
沈乐掩面。很好,非常好,还真是精确到小数点后四位,非常厉害了!
他千恩万谢,顺带求爷爷告奶奶,拜托对方帮忙测了一下体积。用浸水法,测前后两次试管的溶液重量,得到的答案是:
大约0.85立方厘米。
……也就是说,这枚鬼工球用的木材,密度在0.78g/cm。沈乐对照着常见木材密度表查了半天,不得要领:
橡木,胡桃木,枫木,甚至枣木,都在这个密度区间。至于木材硬度,依靠手工测量,是真的测不出个所以然来……
“所以我到底要用哪种木头来做?”
沈乐咬牙切齿,纠结为难。其实,随便找一种合适的木头也可以,甚至他现在上网下单,订购一个合适的鬼工球也可以——
价钱甚至并不贵,15mm直径的猛犸牙鬼工球,淘宝上只要145块,鹿角鬼工球甚至只要50块。
但是,沈乐总觉得,他自己亲手雕刻,亲手修复,自己做的工作越多,墨斗修复以后,就越有可能生出灵智,变成一个,一个……
虽然他也不知道,墨斗生出灵智能变成什么,难道变成一个木匠?
沈乐长叹一声,终于摸出手机,去联系他研究生时代的师兄:
“师兄,我记得你读博,有个项目是研究各种古建筑的材质的?”
“是啊是啊,”师兄显然也被这个项目累得不轻,被他一戳,就发了老长一段文字过来吐槽。好几个同音错字,一大堆标点错位,一看就知道,是语音输入直接转文字的:
“现在正在搞可,累死我了!全国各地到处跑,爬上爬下到处取样,两条腿都跑细了!还要到处求人,求各地的师兄师弟帮忙取一点样寄回来……对了,什么事?”
“师兄我记得你这个项目,好像有和林业局合作,测各种木头DNA,看看到底是什么木头?——能不能搭个便车,我这里正好有个东西要测……”
“行啊!你寄过来!”
“谢谢师兄!多少钱?”
“不要钱!单个检测不贵的,也就几十块钱,难的是一般人跑过去,人家未必给你做。放在项目里面,一起做掉就行了。反正有项目经费……”
师兄发了一个地址过来,又沉寂下去。沈乐松了口气,给鬼工球拍照,多角度拍照,拓印,用石膏倒模。一系列工作完成以后,屏住呼吸,小心取了一块样本下来:
“师兄,靠你了!”
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