倒數第七天。下午在實驗室做冷卻實驗時,空調像一臺哮喘病人的肺,每隔幾秒就發出嘶嘶的抽氣聲,然後又驟然安靜下來。通風管道的金屬外殼上凝結著水珠,順著銹蝕的接縫往下滲,在水泥地上留下一道深色的痕跡。9Please respect copyright.PENANA5PmeM8vdCU
9Please respect copyright.PENANAkYBol3mFZF
林尋趴在光學平臺前,用一根手指抵著太陽穴。9Please respect copyright.PENANA9dH8cYqO2M
9Please respect copyright.PENANAWZ6WJIz5FE
他已經連續盯着那條溫度曲線看了四十三分鐘,眼睛的酸澀感從眼眶蔓延到後腦勺,像是有人拿一根生了鏽的針慢慢往裡捅。歸墟系統的疊加層在他視野邊緣維持著極淡的螢光網格,那些幾何線條隨著他的心跳微微顫動,像一層隨時可能剝離的視網膜。9Please respect copyright.PENANA1ePrnRi8te
9Please respect copyright.PENANAEfvs1bG4Ft
「第三組,準備。」9Please respect copyright.PENANA5daJjk5TTA
9Please respect copyright.PENANAh6Pbt4IEcg
劉明的聲音從實驗室另一端傳來,帶著壓不住的疲憊。他已經連續值了兩個夜班,說話時喉嚨裡有痰音,像一臺老舊的柴油機在暖機。9Please respect copyright.PENANAOroNWyGvqt
9Please respect copyright.PENANApNO38iC6yB
林尋沒有回頭。他把右手從平臺上收回來,在褲子上擦了一下掌心滲出的汗。手指關節處有幾道被銼刀磨出的血痕,已經結了痂,但剛才擦汗時又把其中一道蹭開了,滲出一點淡黃色的組織液。9Please respect copyright.PENANAjp9FPRPdKD
9Please respect copyright.PENANAe7UPrmNg9j
他看著那滴液體發了一秒的呆,然後用袖口抹掉。9Please respect copyright.PENANAs5W8RNEp62
9Please respect copyright.PENANAKnpRVQRVrX
「三、二、一。」9Please respect copyright.PENANAXnXyafFD3N
9Please respect copyright.PENANAWDTkpn4pUT
劉明的倒數結束後,電流聲從電源櫃的方向傳來,低沉、持續,像某種大型動物在低鳴。光學平臺上的樣品開始加熱,紅外熱像儀畫面上的色塊從深藍轉為靛青,再轉為淺紫。9Please respect copyright.PENANAiWlHvNM31n
9Please respect copyright.PENANAS5LFTn5dmC
溫度曲線開始穩定上升。9Please respect copyright.PENANAY7uLXyEDZY
9Please respect copyright.PENANAwSJhbArpbq
林尋咬住下脣內側的肉,用牙齒來回摩擦那塊軟組織。這是他從高中開始養成的習慣,專注到極點時就會不自覺地咬,直到咬出一嘴鐵鏽味才會鬆開。9Please respect copyright.PENANANanyig2KJq
9Please respect copyright.PENANAYVy64sTtWF
「偏離值多少?」9Please respect copyright.PENANADeHga02tQZ
9Please respect copyright.PENANA6Uh5trT1dT
「千分之二以內,還在容差範圍。」負責監測數據的學弟回答,聲音裡帶著一絲得意。9Please respect copyright.PENANAyZywWje8PM
9Please respect copyright.PENANAAHqGIlcKgM
林尋沒有回應。他的視線釘在那條曲線的斜率上,歸墟系統在他腦中疊加了一層預測波形,兩者之間存在著肉眼幾乎無法辨識的縫隙,但那個縫隙正在緩慢擴大,像一條逐漸張開的裂縫。9Please respect copyright.PENANAT3W8ih57QF
9Please respect copyright.PENANAMGTE4OYgVg
「冷卻循環流量。」9Please respect copyright.PENANAOOyJSafcX1
9Please respect copyright.PENANAY3fMQsoMY1
「百分之六十三,」學弟愣了一下,「怎麼了?」9Please respect copyright.PENANAiU2lGO7urI
9Please respect copyright.PENANAyhhSb4q5eT
「監控一下進口壓力。如果掉到五十八以下馬上告訴我。」9Please respect copyright.PENANAnhZVDFfolR
9Please respect copyright.PENANAJqCP0UgTyH
他說完這句話,又把注意力拉回平臺上。實驗室裡沒有人說話,只剩下空調的嘶嘶聲和電源櫃的低頻嗡鳴。有一隻蒼蠅不知道從哪飛了進來,繞著日光燈管打轉,翅膀撞擊燈管外殼發出細碎的噠噠聲。9Please respect copyright.PENANASIu5hRVkBZ
9Please respect copyright.PENANAoX3wRrugbA
溫度曲線越過第一個拐點時,林尋注意到那個縫隙又變大了。9Please respect copyright.PENANA7TVj8xUCbS
9Please respect copyright.PENANANkglvgHzZK
他應該說點什麼。應該站起來走到劉明那邊,告訴他冷卻系統可能有問題,需要停機檢查。但他沒有動。因為他不確定那是歸墟系統的誤差,還是真實的物理現象。如果是前者,停機會浪費至少三個小時,而實驗室的使用時間是跟材料系借的,借期只到今天。9Please respect copyright.PENANAus0zhvkfwH
9Please respect copyright.PENANAnt92FbWaZA
他把目光從曲線上移開,閉上眼睛,眨了兩下,讓酸澀的眼球重新濕潤。9Please respect copyright.PENANAJsleOhgMnc
9Please respect copyright.PENANAIkXgltxyVj
再睜開時,那個縫隙已經消失了。9Please respect copyright.PENANA0KDNHjBcwn
9Please respect copyright.PENANA9qMSJgM40C
林尋鬆開咬著嘴脣的牙齒,舌尖嚐到一絲血腥味。9Please respect copyright.PENANAFp9FI7cYf0
9Please respect copyright.PENANATHKQCtiZQQ
然後所有的警鈴同時響了。9Please respect copyright.PENANAk0gJMUG6A3
9Please respect copyright.PENANAL7H6NfMbQd
不是真正的警鈴,是劉明嘴裡爆出的一聲咒罵。那聲罵不是字,是從喉嚨深處擠出來的一聲悶響,像有人拿鐵鎚砸在了一塊生肉上。9Please respect copyright.PENANACppDQliVYh
9Please respect copyright.PENANAdaCB6x13BJ
林尋轉頭時,看到紅外熱像儀的畫面已經從淺紫色變成了亮橙色。溫度曲線像被掐住脖子的蛇,開始瘋狂抖動,然後直線往上飆。9Please respect copyright.PENANALKADcuXxeF
9Please respect copyright.PENANAvdnsjZiYuz
「冷卻泵停了!」學弟的尖叫聲刺穿了實驗室的空氣,「進口壓力歸零!」9Please respect copyright.PENANArBSkOTlcRP
9Please respect copyright.PENANAPRnP5U16cK
林尋站起來的時候撞到了光學平臺的邊角,胯骨傳來一陣鈍痛,但他沒有停下來。他繞過工作臺,推開擋在面前的兩張椅子,走到實驗室角落那臺冷卻循環系統前面。9Please respect copyright.PENANA1zTMgFrRqp
9Please respect copyright.PENANA4isbsVMKbh
那是一臺老舊的壓縮機,外殼上的漆已經剝落了大半,露出底下深褐色的銹層。壓縮機的震動頻率不對,像一顆心臟在顫抖,而不是跳動。壓力表的指針在零刻度附近來回擺動,幅度越來越小。9Please respect copyright.PENANACxv6FU3x3d
9Please respect copyright.PENANAnuVBsLrs8r
「手動備用泵呢?」他問。9Please respect copyright.PENANAkBycIswUZd
9Please respect copyright.PENANAgh7XluF2ZB
「上個月拆了,」劉明的聲音從背後傳來,「說是要換新的,但經費一直沒批下來。」9Please respect copyright.PENANAbq5YdPpPFD
9Please respect copyright.PENANAx5P2bzOV97
林尋沒有說話。他把手壓在壓縮機的外殼上,感覺到金屬表面的溫度正在急遽上升。歸墟系統在他視野邊緣開始閃爍,那層螢光網格正在快速變換,一行行殘缺的公式和結構圖像走馬燈一樣掠過他眼前。9Please respect copyright.PENANAlX2I8sSLks
9Please respect copyright.PENANAJ33Jx0R0HD
資訊是破碎的。像被撕成碎片的拼圖,而且缺了至少三分之一。9Please respect copyright.PENANAhn2KgfiIJL
9Please respect copyright.PENANAkoA5YhGzhZ
「還有多少時間?」他問。9Please respect copyright.PENANAviD9hBIpKm
9Please respect copyright.PENANABFTNJWNok0
「五分鐘,可能更短。再升二十度樣品就廢了。」9Please respect copyright.PENANAqLFTqZePLP
9Please respect copyright.PENANACqcvtz5wps
林尋閉上眼睛。9Please respect copyright.PENANA9afNotw1EL
9Please respect copyright.PENANAqoCvI5A12p
歸墟系統給出的不是一個完整的設計圖,而是一種感覺。像一個人在黑暗中被塞進一把螺絲刀和一塊鐵板,然後被告知「做一把鎖」。他必須自己摸索出鎖的形狀、齒輪的咬合、彈簧的位置。9Please respect copyright.PENANA3ss2TgnOwI
9Please respect copyright.PENANA03QfknqoEn
他把眼睛睜開,開始從實驗室的角落翻東西。9Please respect copyright.PENANA2tMQO0GhzC
9Please respect copyright.PENANAukzvW37M0m
工具箱裡有一卷直徑兩毫米的銅線,已經氧化發黑了。器材櫃底層有幾個廢棄的繼電器,上面積了一層灰,接點已經氧化變色。他在第三個抽屜裡翻到一根廢棄的熱電偶,鎳鉻合金的導線還算完整。還有一臺報廢的電磁閥,型號不匹配,但線圈還能用。9Please respect copyright.PENANAmQxOoXaPtl
9Please respect copyright.PENANA5cdZks1SpY
他把這些東西全部攤在地上,像一個在垃圾堆裡翻找食物的流浪漢。9Please respect copyright.PENANAVG0xLUHMO1
9Please respect copyright.PENANAvup7Bl3Amy
「你要幹嘛?」劉明走過來,語氣裡帶著不信任。9Please respect copyright.PENANATRQBmBjeSi
9Please respect copyright.PENANAU5cdOljGn3
林尋沒有回答。他開始用剪刀剝銅線的絕緣皮,手指因為出汗而打滑,剪刀的刀口在他食指上劃了一道淺淺的口子,鮮血流出來,沾到了銅線上。9Please respect copyright.PENANA4mlRL6zdWi
9Please respect copyright.PENANAMsP3YZjWNR
他沒有停。9Please respect copyright.PENANA5NA6iXwEI6
9Please respect copyright.PENANA05SxEhRDN3
歸墟系統的視覺疊加層正在他眼前逐漸成形,那些殘缺的資訊像碎玻璃一樣慢慢拼湊起來。但他能用的時間不夠,手邊的材料不夠,他的理解也不夠。像一個人在暴雨中試圖用樹枝搭建庇護所,每一秒都有更多的雨灌進來。9Please respect copyright.PENANAiilygfhwaU
9Please respect copyright.PENANAYHDpyQNiAd
「你在浪費時間,」劉明的聲音變冷了,「去找維護組。」9Please respect copyright.PENANAb46AWLda6R
9Please respect copyright.PENANAqvD7CDOual
「維護組的人下班了,」學弟小聲說,「現在打電話也來不及。」9Please respect copyright.PENANAgUU9hjos31
9Please respect copyright.PENANAthfeXEx6YA
林尋把那根鎳鉻合金導線繞在壓縮機的輸出管上,用銅線固定。導線的另一端連接到報廢電磁閥的線圈上,再用絕緣膠帶纏了幾圈,確保不會短路。9Please respect copyright.PENANAGVwj4RG2eZ
9Please respect copyright.PENANAfJ7JsiXzlX
這是個粗略的阻抗匹配電路,可以不經過主控單元,直接用溫度差驅動備用閥門開啟,讓旁路管道的冷卻液流進主循環。但問題是,鎳鉻合金的溫度係數不穩定,在這種高溫環境下的電阻值會飄移,可能根本無法啟動電磁閥。9Please respect copyright.PENANAhd8B1djMNm
9Please respect copyright.PENANAMZZ5JgUroq
「試試。」他對學弟說,聲音乾澀得像砂紙。9Please respect copyright.PENANAqVdp0icTzB
9Please respect copyright.PENANA5rJBngBcdG
學弟按下啟動開關。9Please respect copyright.PENANAGAK2x2OoyB
9Please respect copyright.PENANAX4LrOCPLiI
電磁閥的線圈發出一聲細微的嗡鳴,然後又歸於寂靜。9Please respect copyright.PENANAVbxzqYZQjp
9Please respect copyright.PENANAWsaGtcPMWl
什麼都沒有發生。9Please respect copyright.PENANAGm2GNDVaSk
9Please respect copyright.PENANAPuZ6tiC6p1
「操。」林尋把手中的鉗子砸在地上,金屬撞擊水泥地發出清脆的撞擊聲。他蹲下來,重新審視那條電路。手指在導線的接點上來回按壓,檢查是否有鬆動。9Please respect copyright.PENANAcgGK7TRukj
9Please respect copyright.PENANAruGd8angNm
接點是牢固的。9Please respect copyright.PENANAq2P0He7P0A
9Please respect copyright.PENANAG5EObQotu3
那麼問題出在阻抗匹配上。鎳鉻合金的電阻值太高,電磁閥線圈無法獲得足夠的啟動電流。他需要降低電阻,但手邊沒有更粗的導線,也沒有合適的電阻器。9Please respect copyright.PENANAmhhDAmGzt5
9Please respect copyright.PENANAzgioGGIQW9
歸墟系統在他視野邊緣閃了一下,給出一組數字。9Please respect copyright.PENANAc2UvfFPJ3K
9Please respect copyright.PENANAwDBao9KmBN
他看著那組數字,花了三秒鐘才理解那是什麼意思。9Please respect copyright.PENANAf3rGaICWBa
9Please respect copyright.PENANAYOGjdCxNJO
並聯。9Please respect copyright.PENANATL55JmEwYF
9Please respect copyright.PENANAtBrP0g3Huu
把現有的鎳鉻合金導線折成兩段並聯,電阻值可以降到原來的一半以下。但這意味著他必須在沒有焊接設備的情況下,同時維持兩條導線的絕緣和固定,而且在這麼高溫的環境下,絕緣膠帶可能會在一分鐘之內熔化。9Please respect copyright.PENANAqXedmoGwN3
9Please respect copyright.PENANA2C0TpbYXu8
他沒有選擇。9Please respect copyright.PENANAQsIT9IFYh4
9Please respect copyright.PENANAy5XEfqjlt9
林尋把導線從壓縮機上拆下來,分成兩段,並聯在一起。絕緣膠帶纏了三層,但剛纏上去就已經開始變軟。他能聞到膠帶受熱後散發出的化學氣味,像燒焦的塑膠。9Please respect copyright.PENANAW1Fvl25v7L
9Please respect copyright.PENANAh8miQtRUg6
「再試一次。」他說。9Please respect copyright.PENANAYtKXeglumb
9Please respect copyright.PENANAUIyPpI7d5C
學弟按下開關。9Please respect copyright.PENANAS3ZzSQ2Qka
9Please respect copyright.PENANAENr1pSJdCe
電磁閥發出「喀噠」一聲,然後啟動了。9Please respect copyright.PENANAE0Gm7NWzSQ
9Please respect copyright.PENANAOugGKulLZY
冷卻液從旁路管道流入主循環的聲音像是一聲嘆息,低沉的、持續的流動聲從管道內部傳來。紅外熱像儀上的橙紅色開始消退,溫度曲線的斜率從垂直下降變成傾斜,然後逐漸趨於平緩。9Please respect copyright.PENANAx9SnddFIvs
9Please respect copyright.PENANAxHgQ78kmHQ
林尋整個人癱坐在地上,背靠著牆壁。9Please respect copyright.PENANAJNSLMmAx8t
9Please respect copyright.PENANAiGIzVCUuGH
他感覺到手在抖。9Please respect copyright.PENANA7ZeERYH0a8
9Please respect copyright.PENANAnBaIcdkYUN
不是緊張的那種抖,是身體在告訴他「你已經到極限了」的那種抖,像一根繃了太久的橡皮筋終於鬆弛下來,只剩下一種無力的顫動。9Please respect copyright.PENANAwdyUXEPsHJ
9Please respect copyright.PENANAMOdrz2wVyS
「這是什麼?」9Please respect copyright.PENANAKl7sXS6twP
9Please respect copyright.PENANALcGWXjxH96
他抬起頭,看到教授不知道什麼時候站在了他面前。9Please respect copyright.PENANAzeVcuupyuL
9Please respect copyright.PENANAxIbHD2vQUt
教授穿著一件洗到發白的實驗袍,胸前的口袋裡插著三支筆。他的目光沒有看林尋,而是看著地上那堆亂七八糟的線路和元件。9Please respect copyright.PENANAXhaXH1oVhC
9Please respect copyright.PENANAaKGrrdptj9
「臨時改裝。」林尋說。9Please respect copyright.PENANACKsQeKTlIe
9Please respect copyright.PENANA4MwP8mzrO6
「臨時?」教授重複了一次這個詞,語氣平淡得像在問今天中午喫什麼。9Please respect copyright.PENANAcaMlIdCdXz
9Please respect copyright.PENANARq4H9vUwdT
「嗯。」9Please respect copyright.PENANAot1ccdBFfD
9Please respect copyright.PENANAy9FINRNibV
教授沉默了一會兒。他的視線從地上的線路移到壓縮機上,再移到已經恢復穩定的溫度曲線上。然後他轉過身,看著林尋。9Please respect copyright.PENANAE9xBA5YPCm
9Please respect copyright.PENANAiM9gBgkOy8
「明天早上九點,帶上圖紙和測試記錄到我辦公室。」9Please respect copyright.PENANA1Fr1BnGCug
9Please respect copyright.PENANAkakCaqys2B
他說完這句話,轉身走出了實驗室。9Please respect copyright.PENANAJskBHTzWP5
9Please respect copyright.PENANAha4mXgXEKv
實驗室裡安靜了幾秒鐘。9Please respect copyright.PENANATFYcTa11TK
9Please respect copyright.PENANAtcQv49lPP0
然後劉明把手裡的文件夾摔在工作臺上,發出一聲悶響。他的臉色發青,嘴角往下撇,像喫了一口還沒熟透的青柿子。他的目光落在林尋身上,帶著一種說不清道不明的東西,不全是憤怒,也不全是嫉妒,更像是一個人發現自己腳下的地板突然裂開了一道縫。9Please respect copyright.PENANA2mqW2clZHS
9Please respect copyright.PENANABOVUklkvj9
「你什麼時候改的?」他問。9Please respect copyright.PENANA8cvmlGQY8b
9Please respect copyright.PENANADEECYlkdDF
「上週三晚上。」9Please respect copyright.PENANA7nvjJUfTnk
9Please respect copyright.PENANANqMW7Lf5vw
「實驗室使用記錄上沒有。」9Please respect copyright.PENANAkFoCd9kcR8
9Please respect copyright.PENANAv5f3dguu02
「我沒有登記。」9Please respect copyright.PENANAl6L7k8auiT
9Please respect copyright.PENANADfo1uX7Z4d
劉明又罵了一聲,比上次更大聲。然後他拿起桌上的鑰匙,頭也不回地走出了實驗室。9Please respect copyright.PENANAL7c16AUdXL
9Please respect copyright.PENANADG1A6bofvf
剩下那個學弟站在原地,看看林尋,又看看門口,最後低下頭,開始安靜地整理數據。9Please respect copyright.PENANAkpQSxgzx4Z
9Please respect copyright.PENANAPrb1eDtMqC
林尋沒有動。他靠在牆上,感覺後腦勺的血管在跳動,每一次脈搏都像有人拿小鎚子輕輕敲他的頭骨。9Please respect copyright.PENANAsgCCrjdeea
9Please respect copyright.PENANAXoUq1QI0CB
那隻蒼蠅還在繞著燈管飛。9Please respect copyright.PENANATNI2CvvJLe
9Please respect copyright.PENANAnuY5T4DMie
※9Please respect copyright.PENANAizoddzUp92
9Please respect copyright.PENANAt1qSiMDlpp
吊扇在頭頂轉,扇葉上那層黑色的棉絮跟著轉——但一直沒掉下來。9Please respect copyright.PENANAzTcJklV5NM
9Please respect copyright.PENANAtvUvzhSIWi
林尋站在實驗臺前,後頸的汗已經乾了,留下一層發黏的鹽粒。顯示器上的溫度曲線平得像用直尺畫的,藍色波紋穩定得近乎失真。教授站在他左手邊,右手還捏著剛才從硬碟槽裡抽出來的那張改裝記錄——A4紙被他的指節壓出一道弧形的皺褶。9Please respect copyright.PENANAZy32snNpEZ
9Please respect copyright.PENANAZ5VZrQElJe
「這是你的?」9Please respect copyright.PENANAoeSjXVSReA
9Please respect copyright.PENANAZUVrBtaJSE
教授的聲音沒有起伏,像在問一個已經知道答案的問題。9Please respect copyright.PENANAnyIE1lvYR3
9Please respect copyright.PENANApgLppNnh11
「嗯。」9Please respect copyright.PENANAsEvqyss2tU
9Please respect copyright.PENANAc1fBvdd4lU
林尋沒多說。他伸手從書包側袋掏出一個牛皮紙文件袋,邊角已經磨毛了,封口處的棉線斷過一次,他用透明膠帶接了回去。袋子放在實驗臺上時發出沈悶的啪的一聲,裡面是一疊紙。9Please respect copyright.PENANAGrPDryKWOC
9Please respect copyright.PENANAq38L4bN2xB
他把裡面的東西抽出來,第一頁是改裝後的系統架構圖,第二頁是對照組數據,第三頁開始是手寫的計算草稿——原子筆的字跡從左上方開始,越寫越小,到頁面底部時幾乎擠在一起,有些數字被反覆塗改過,紙面磨出了毛邊,有幾個地方被橡皮擦破了,露出底下的纖維。9Please respect copyright.PENANACY3er4odBx
9Please respect copyright.PENANA8m3sLhET77
教授沒有立刻看。他把那疊紙接過去,先翻到最後一頁,掃了一眼日期,然後又翻回第一頁。9Please respect copyright.PENANAX2zZLvD7uu
9Please respect copyright.PENANAyXTHcs8vgR
「你從什麼時候開始做的?」9Please respect copyright.PENANAXviIPc5yFr
9Please respect copyright.PENANAsQyMkwzZvU
「上個月十號。」9Please respect copyright.PENANAZaPL0gmxmq
9Please respect copyright.PENANA2K7neYAZZR
「實驗室登記表上沒有你的名字。」9Please respect copyright.PENANA19aWdQrkoF
9Please respect copyright.PENANAqmKnzW9bQ8
「我用的是二號樓廢棄器材室那臺真空泵。」林尋說。他頓了一下,補了一句:「登記簿還在門口掛著,但沒有人檢查。」9Please respect copyright.PENANAfMwjNcGbKs
9Please respect copyright.PENANA6LSHdmjoF3
這是實話。那臺泵的橡膠管已經硬化了,接頭處纏著黑色絕緣膠帶,壓力錶的指針在零點附近抖得厲害,根本不能用在精密實驗裡。他花了三個晚上拆開清洗,換掉了兩根彈簧,用車牀自己車了一個新的密封墊圈——那臺車牀還是六八年的老產品,進刀的時候主軸會發出像牙醫鑽頭一樣的高頻噪音。9Please respect copyright.PENANAfszelBfyGW
9Please respect copyright.PENANAmz2hMMd4P5
教授沒有回應,繼續翻那疊紙。第三頁上有一塊明顯的水漬,邊緣暈開了,墨水渲染成淺藍色的雲團,但下面的數字還能辨認。那是凌晨三點多的記錄——林尋記得那時他睏得不行,可樂罐倒在桌上,可樂灑出來,他用袖子去擦,結果把幾行數據弄糊了。他後來又重新算了一遍,但那頁紙沒有扔掉。9Please respect copyright.PENANAcfhLhDKeLk
9Please respect copyright.PENANAHf4yLdBHYh
組長趙平站在實驗室的門口,雙手插在白大褂的口袋裡。他的臉色從剛才開始就沒有好過——不是那種明顯的憤怒,而是一種繃緊的、像被什麼東西噎住的壓抑。他的下巴微微抬起,視線落在林尋後腦勺偏左的位置,沒有直接看他。9Please respect copyright.PENANAfPWII8nsQy
9Please respect copyright.PENANAsutasXDKER
「趙平。」9Please respect copyright.PENANAo4GSUkLw0F
9Please respect copyright.PENANAIjfAJRWLo2
教授叫了一聲,沒有回頭。9Please respect copyright.PENANABZaHIaBHL1
9Please respect copyright.PENANAgvYYdmMfcs
「到。」9Please respect copyright.PENANA1DaCZLbhb9
9Please respect copyright.PENANAWgB33dZfCf
「這套系統你知道嗎?」9Please respect copyright.PENANAwvG7Qeih7e
9Please respect copyright.PENANAeG78eKeKIW
趙平的嘴脣動了一下。他沉默了大約兩秒,然後說:9Please respect copyright.PENANAoeppMBvqOz
9Please respect copyright.PENANAARzaVvdQVW
「不知道。」9Please respect copyright.PENANA2toN4weTLL
9Please respect copyright.PENANANLDepmjwnJ
他說這兩個字的時候,喉嚨裡像是卡了什麼東西,聲音比平常低了一個調。9Please respect copyright.PENANAnpYouZWYJa
9Please respect copyright.PENANAJrLIGpPCVQ
林尋沒有轉頭看他。他聽到趙平的話,沒有什麼反應,只是彎腰從地上撿起剛才掉落的筆——那是一支筆桿已經被握得褪色的自動鉛筆,尾端的橡皮擦被用得只剩一個金屬箍。他把筆放回桌上,筆身撞擊桌面時發出輕微的喀噠聲。9Please respect copyright.PENANACJlEJ771Vy
9Please respect copyright.PENANAmlLeJhr7XQ
教授把圖紙攤開在實驗臺上,用兩隻手掌壓平紙張的邊角。他的視線在圖紙上移動,從進口端的壓力閥標記到旁路管道的走向,最後停在一個用紅筆圈起來的參數上——那是一個偏離原設計百分之十二的數值。9Please respect copyright.PENANAlftMhOSGmr
9Please respect copyright.PENANAcDO2TTpaPr
「你把冷卻劑的流量上限提高了?」9Please respect copyright.PENANAYNO7BEaGE1
9Please respect copyright.PENANArlvqSMEkXm
「不是提高。」林尋說。「是重新分配了管路截面積。原設計在第三級換熱器那裡的縮徑是16毫米,但按照實際工況,冷卻液的雷諾數到那個位置已經下降了一個量級,縮徑沒有意義。我把那一段換成了22毫米的管,同時在回水管上加了一個阻尼閥,用來補償壓力差。」9Please respect copyright.PENANADqBDWTmzuG
9Please respect copyright.PENANAVIrQbbajvR
他說得很快,沒有停頓,像是在背一個已經排練過很多次的東西。但他的手在講話時沒有停下來——他拿起那支自動鉛筆,按了幾下筆芯,筆芯從前端露出一個小小的銀色尖端,他又把它按回去,再按出來,週而復始。9Please respect copyright.PENANArQPDV5kMMP
9Please respect copyright.PENANA3rxF6jcPkA
教授沒有打斷他。等林尋說完,教授把那頁圖紙翻過來,背面是手寫的計算公式,從左上角到右下角,整整齊齊地排了七行。第八行只寫了一半,後面是一個沒有閉合的括號,像一句沒有說完的話。9Please respect copyright.PENANAhxXVkxWLgN
9Please respect copyright.PENANAXlAzgpHRRH
「你測試了幾次?」9Please respect copyright.PENANA3PUGtX01yf
9Please respect copyright.PENANAgy0SQXHMOe
「三次。第一次跑完第三章節後壓力閥洩漏,我重新做了密封。第二次換熱效率夠了,但回水溫度波動太大,我調整了阻尼閥的開度。第三次——」9Please respect copyright.PENANATovgWBvPIq
9Please respect copyright.PENANALPnrTCvzU4
他指了指顯示器上那條平穩的藍色曲線。9Please respect copyright.PENANAdppVOKWI8E
9Please respect copyright.PENANAECNsQCfcAD
「就是現在這個。」9Please respect copyright.PENANA2dEardy5N0
9Please respect copyright.PENANAOMbfU1l57D
教授直起身,把那疊紙收攏,在桌面上頓了兩下,讓紙邊對齊。他的動作很慢,像在做一個需要精確控制力道的操作。9Please respect copyright.PENANAiW62YzuOwl
9Please respect copyright.PENANAAuB4ocInY7
「圖紙和記錄我先帶走。」他說。「下週一之前,把你這套改裝的完整技術報告交過來,包括零件規格和供應商來源。」9Please respect copyright.PENANAR2pLB2v1Bv
9Please respect copyright.PENANAIIR76G4AYY
林尋點了一下頭。9Please respect copyright.PENANAFhLZCXe7s3
9Please respect copyright.PENANAwcqCfqpVC2
教授轉身往外走,走到門口的時候停了一下。趙平側身讓出一條路,但教授沒有看他,只是對林尋說了一句:9Please respect copyright.PENANAHABZlj3W0d
9Please respect copyright.PENANAk825MK9sPt
「以後這種改動,先走流程。」9Please respect copyright.PENANAEKGL7YkH3e
9Please respect copyright.PENANAlXWEzHAeWx
門關上了。走廊上傳來皮鞋踩在瓷磚上的聲音,一步一步,逐漸變遠。9Please respect copyright.PENANAF6JPDTFaoK
9Please respect copyright.PENANAGH6zLgeU4r
實驗室裡只剩下吊扇轉動的聲音和林尋按下筆芯的喀噠聲。9Please respect copyright.PENANAr44kWIfD2l
9Please respect copyright.PENANASzewT5jAPe
趙平還站在門口。他的白大褂口袋邊緣有一小塊油漬,是剛才拆真空泵時沾上的,他沒有注意到。他的視線終於從林尋後腦勺移到顯示器上那條藍色曲線上,停留了幾秒。9Please respect copyright.PENANAuFOrXKJ4jO
9Please respect copyright.PENANAiUcgamKoig
「你什麼時候動的手?」9Please respect copyright.PENANA3sCONOY7b9
9Please respect copyright.PENANA93cNXRDJxr
他的聲音比剛才自然了一點,但還是帶著那股壓著的東西。9Please respect copyright.PENANAhduODNvXgk
9Please respect copyright.PENANACMpTC7YwAn
「上週三晚上。」9Please respect copyright.PENANAg8RnWtXnUw
9Please respect copyright.PENANAc0NwVlVVxx
「我值日。」9Please respect copyright.PENANAGrjv7hFf3G
9Please respect copyright.PENANAMtz31QDjNE
「我知道。」9Please respect copyright.PENANAuJYDHUu0yi
9Please respect copyright.PENANA633Kesnmkg
趙平沒有再說什麼。他走出實驗室,門沒有關緊,留下一條大約三公分的縫隙。透過那條縫可以看見走廊對面的牆,牆上貼著一張已經泛黃的安全操作守則,邊角翹起來,用圖釘重新釘過一次,圖釘的頭生鏽了。9Please respect copyright.PENANA6NLqjCLdAl
9Please respect copyright.PENANAPZtrRJ5frz
林尋站在原地,把那支自動鉛筆放進筆袋,拉拉鍊的時候齒輪卡了一下,他又用力拉了一次,拉鍊才完全閉合。他把筆袋塞進書包,拉上書包的主拉鍊,把書包甩到肩膀上。9Please respect copyright.PENANANVexbSxuSN
9Please respect copyright.PENANASUXvI6RTVl
他關掉顯示器,屏幕上的藍色曲線瞬間消失,變成一片黑。9Please respect copyright.PENANAdmRnhE1b4I
9Please respect copyright.PENANADoZE7euHPE
走出實驗室時,他伸手把門帶上,門鎖發出一個短促的咔噠聲。9Please respect copyright.PENANAic9earKQ26
9Please respect copyright.PENANAF82nYNuifs
走廊裡沒有人。對面牆上那張安全守則還在,圖釘生鏽的地方留下一道黃褐色的痕跡,順著牆壁流下來,像乾涸的眼淚。9Please respect copyright.PENANAvfcmLHEtH9
9Please respect copyright.PENANATGKlLibPLT
※9Please respect copyright.PENANAtgyhnbtmaP
9Please respect copyright.PENANAI8QSFAaDCj
林尋彎下腰,從地上的工具箱裡抽出一隻文件袋。袋口沒有封,露出一疊摺了三折的A4紙,邊角已經磨毛了,有的地方被咖啡漬暈開了一塊棕色的印子。他把整疊東西放在講臺上,往教授的方向推了推。9Please respect copyright.PENANAE5ZA5DOIUT
9Please respect copyright.PENANApVMFxy0lcX
“這是改裝的圖紙,還有一份測試記錄。”他說。9Please respect copyright.PENANAa0OUe3qw2J
9Please respect copyright.PENANAqC2xPLZY3b
教授沒立刻伸手去拿。他先把那疊紙從講臺邊緣拿起來,捏住其中一張的邊角提起來,看了看紙背的光澤,又翻回正面。紙是普通的七十克複印紙,圖是手繪的,用了鉛筆和尺,有些線條因為反覆修改被橡皮擦得發灰,邊上還留著沒擦乾淨的痕跡。9Please respect copyright.PENANA34nKYWSK21
9Please respect copyright.PENANABAL4P6vnZ6
“你沒有電腦畫圖?”教授問。9Please respect copyright.PENANArZJSRcPZQQ
9Please respect copyright.PENANAniBksp3hwR
“沒有。”9Please respect copyright.PENANA4jDTIe7FOv
9Please respect copyright.PENANAaCmqxJ46Y9
“圖紙也沒拿去複印?”9Please respect copyright.PENANAxUlxu8rya4
9Please respect copyright.PENANA31vmsr3HOc
“複印一張一塊錢,我有修改,所以乾脆手畫。”9Please respect copyright.PENANAd7k4ffx2JJ
9Please respect copyright.PENANArLrjYgXKVK
教授沒再說話。他把紙張攤開,從第一張開始看。圖紙總共四張,教數值估算,他用手指沿著一條管路的走向移動,在一個標了箭頭的節點停住,瞇起眼睛看旁邊的註釋。那行字寫得很小,幾乎擠在圖框的邊緣,字跡因為鉛筆磨損而有些模糊,但還能辨認。9Please respect copyright.PENANAUqMe73pFEo
9Please respect copyright.PENANAj7i6fkmv6c
“這個止回閥的位置,你為什麼往上移了十公分?”9Please respect copyright.PENANA92n9JTnYph
9Please respect copyright.PENANAeBI5zUMEGy
“原設計的入口段太短。”林尋說,“冷媒經過閥體再展開成薄膜流動,中間的過渡距離不夠,流場不均勻。我往上移十公分後,管路多出一段緩衝,雷諾數可以降下來。”9Please respect copyright.PENANAtgldsJNrOE
9Please respect copyright.PENANAGHkZ3vHvrj
教授抬起頭看了他一眼,沒有評論,翻到第二張圖。9Please respect copyright.PENANAVMEoP93CoO
9Please respect copyright.PENANAOsYozPtb1L
第二張圖是冷卻通道的截面剖面。和原設計不同,林尋在通道內部畫了一組傾斜的導流片,每片的角度都不一樣,從入口到出口呈梯度變換。教授把紙舉高了一些,讓日光燈從側面照下來,看清導流片之間的角度關係。9Please respect copyright.PENANAadNB20TNeh
9Please respect copyright.PENANAIniPz6Utl8
“這些角度怎麼來的?”教授問。9Please respect copyright.PENANAUlWnLoMNAM
9Please respect copyright.PENANAojbaYNXbDb
“試算。”9Please respect copyright.PENANAFkfH3Nqxxu
9Please respect copyright.PENANAOUrdcpi7rH
“試算了一組?還是試了很多組?”9Please respect copyright.PENANAM243XpOiC7
9Please respect copyright.PENANAMSzB6647sV
林尋沒有立刻回答。他想起前兩個禮拜的那些晚上。第一次算的時候他把導流片設成等角度,結果模擬溫度的最大降幅只有六度,不夠。第二次試了等差數列遞增,降幅拉到十一度,但出口端的湍流不穩定,有間歇性脫體的風險。第三次試了拋物線分佈,第四次試了對數曲線,第五次他乾脆把圖紙擦掉重畫,換了一套邊界條件。他到現在還記得那張被橡皮擦破了一個洞的草稿紙,破洞的位置正好在第三片導流片的轉角處,他不得不用膠帶從背面補了一塊,然後在膠帶上重新畫線。9Please respect copyright.PENANA2l7SovrIwi
9Please respect copyright.PENANAKw43z8N8uG
“記不清了。”他說,“大概幾十次。”9Please respect copyright.PENANAnahksF19nY
9Please respect copyright.PENANAovowBrBQpS
站在旁邊的劉偉終於忍不住開口:“幾十次?你哪來的時間?”9Please respect copyright.PENANA5OKoJhACKG
9Please respect copyright.PENANACmzecHTBq9
“開管之前。”9Please respect copyright.PENANApGwu8IVxLB
9Please respect copyright.PENANATZerxC6pzF
劉偉張了張嘴,似乎想說什麼,又閉上了。9Please respect copyright.PENANAGDbO72J0zL
9Please respect copyright.PENANA1M8T2zcLiH
教授繼續看圖。他把四張圖紙全部看完之後,把手伸向那疊測試記錄。記錄比圖紙厚,訂書機訂在左上角,紙張邊緣因為反覆翻頁而捲了起來。他從第一頁開始翻,速度不快,每一頁都看了大概半分鐘。工整的表格,手寫的數據,每組數值後面都跟著一個用鉛筆寫的備註,有時是“該組數據分佈偏斜,可疑”,有時是“第四次重測,排除儀器漂移”。9Please respect copyright.PENANAOFFEJy59Z1
9Please respect copyright.PENANAXBEhNg1WdF
最後一頁沒有表格,只寫了幾行字,像是總結註記。教授看完那幾行字之後,把整疊記錄放回講臺上,摘下眼鏡,用大拇指和食指捏了捏鼻樑。9Please respect copyright.PENANAEv3MdNvz5g
9Please respect copyright.PENANAE9OSKXai4Y
過了幾秒,他說:“這些測試你是在哪做的?”9Please respect copyright.PENANA1MGn4fTpOn
9Please respect copyright.PENANAVtfCMMrf3h
“二號實驗樓,118。”9Please respect copyright.PENANAPbIMNAMn2P
9Please respect copyright.PENANAT9HWVhKQjr
“118是材料系的預約實驗室。”9Please respect copyright.PENANAFhQ0S40mD8
9Please respect copyright.PENANAnW6eXZj5m5
“我跟材料系的一個學長借的,他週末不用,我跟他說我想試幾個冷卻參數。”9Please respect copyright.PENANAwg6HZL4JEs
9Please respect copyright.PENANAWWLoGmT6Me
教授沒有追問那個學長是誰,也沒有問他怎麼借到的。他把眼鏡重新戴上,目光回到圖紙上,似乎在思考什麼。站在一旁的劉偉往前挪了半步,試探著開口:“教授,他這個確實是——但是擅自改動設備這件事——”9Please respect copyright.PENANAPe9XawzJHC
9Please respect copyright.PENANAq4tCZ4g835
“我知道。”教授打斷他,語氣平淡,沒有不耐煩,但也沒有任何明顯的認可。9Please respect copyright.PENANAqgVFkgee4z
9Please respect copyright.PENANAfIUpFGBsUD
他轉向林尋:“你怎麼知道冷卻系統會失效?”9Please respect copyright.PENANAX81LH2uARF
9Please respect copyright.PENANALvHHAlgfh0
林尋沉默了一下。這個問題他預想過,但預想的版本沒有這麼直接。他原本以為教授會先問技術細節,或者問他怎麼想到這個改裝方案,而不是直接跳到“你怎麼知道會出事”。9Please respect copyright.PENANA7gghPDYshd
9Please respect copyright.PENANA4EoXuG1Gvm
“我不知道。”他說,“我只是覺得原設計的安全係數不夠。”9Please respect copyright.PENANAX3EFbgt0yk
9Please respect copyright.PENANA4MGFP5kVzY
“不夠到什麼程度?”9Please respect copyright.PENANACif76nsSn8
9Please respect copyright.PENANAcWyX6lT0rc
“連續運轉超過六個小時,泵的輸出容差會累積,冷媒的流量開始偏離設計值。如果環境溫度超過三十二度,偏離速度會加快。今天下午實驗室的空調壞了,室溫大概在三十四度左右。”9Please respect copyright.PENANAZw99qlgXaA
9Please respect copyright.PENANAHxk9Xx5MWe
教授看著他,過了一會兒才說:“你連空調壞了這件事也算進去了?”9Please respect copyright.PENANAsLLevVkm0k
9Please respect copyright.PENANAff8QAPpkrv
“不算不行。”9Please respect copyright.PENANAunK3cSies1
9Please respect copyright.PENANAvvex66gEjR
這句回答讓教授沉默了。他把圖紙重新收攏,對齊紙邊,放回文件袋裡,然後把袋子拿起來,遞向林尋。9Please respect copyright.PENANAit5KiHrgKs
9Please respect copyright.PENANAycBHG93SFk
“圖紙跟記錄我先不收你的,你帶回去。”9Please respect copyright.PENANA36kSwIDz21
9Please respect copyright.PENANAj9jrpkGyMX
林尋接過文件袋,沒有多問。9Please respect copyright.PENANAh7jnaxvEvH
9Please respect copyright.PENANA4eRuRAp063
“但是改裝不能拆。”教授說,“下週二的實驗,你繼續用這套系統跑一次,現場跑,我親自看。”9Please respect copyright.PENANAf5YFiyh1iF
9Please respect copyright.PENANAUl2lEUVvNH
劉偉的臉色變了,張嘴正要說話,教授轉頭看了他一眼。9Please respect copyright.PENANAVQSd7ww4BE
9Please respect copyright.PENANAeQgy6CIq9L
“還有什麼問題?”9Please respect copyright.PENANA8upLqPSM8L
9Please respect copyright.PENANA9u0RX4uTDc
“沒什麼問題。”劉偉的聲音乾澀,像從喉嚨裡硬擠出來的。9Please respect copyright.PENANAI0nWMxQ2au
9Please respect copyright.PENANAsY06YTKPMV
教授點點頭,轉身往門口走。他走到門口的時候停了一下,回頭看了一眼林尋。9Please respect copyright.PENANALAykzPWxUw
9Please respect copyright.PENANAVD4tpfyhxD
“你把草稿帶來。”9Please respect copyright.PENANA0Mleh2Bh2c
9Please respect copyright.PENANA46dMKeeG8t
“什麼?”9Please respect copyright.PENANA78eg8sPdp7
9Please respect copyright.PENANAeWnwLCgnrt
“你說你試了幾十次的草稿。”教授說,“下週二一起帶來,我想看看你的計算路徑。”9Please respect copyright.PENANAnMydNB5OZX
9Please respect copyright.PENANAbMxuwtp0Zs
門關上之後,實驗室裡安靜了幾秒。劉偉的視線釘在林尋身上,那個目光不帶什麼惡意,但也不帶善意,更接近一種無法歸類的複雜情緒。9Please respect copyright.PENANAksBltwCqBZ
9Please respect copyright.PENANA3DaTvkPy6w
“你知道我盯這個項目盯了多久嗎?”劉偉說。9Please respect copyright.PENANAdd0xmPMGG6
9Please respect copyright.PENANAa5KykJD5y2
“不知道。”9Please respect copyright.PENANAFNj8uAQOBs
9Please respect copyright.PENANA58vBBSuFwL
“一年半。從我大二開始,做到現在。”他頓了一下,“你來了兩個月,就把冷卻段改了。”9Please respect copyright.PENANAiCamdWkMrr
9Please respect copyright.PENANAzdIRUauzbD
林尋沒有回答。他把文件袋放回工具箱,把工具箱的蓋子合上,扣好卡扣。9Please respect copyright.PENANAFJCgbSzOhl
9Please respect copyright.PENANA1gCY3ECo5A
“我沒有針對你的意思。”他說。9Please respect copyright.PENANAc8OlAD6FYo
9Please respect copyright.PENANAvmbjhQEEN6
劉偉沒有接話。他轉過身,開始收拾操作檯上散落的工具,動作有些僵硬,像是要透過這個動作來消化什麼。扳手放進抽屜的時候沒有放好,掉在地上,發出金屬撞擊磁磚的清脆響聲。他彎腰撿起來,沒有回頭,繼續收拾。9Please respect copyright.PENANArp2JLNSOsX
9Please respect copyright.PENANA4iQQd0clC9
林尋站在原地,看著劉偉的背影。他想說點什麼,但發現自己什麼也說不出來。對話的縫隙已經關上了,任何補救的句子在這個時候擠進去都會顯得太刻意。9Please respect copyright.PENANAqVEjsG6Rp4
9Please respect copyright.PENANA4Shn6P98uQ
他把工具箱拎起來,往門口走。經過劉偉身後的時候,他停了不到半秒,然後繼續往前走。9Please respect copyright.PENANAst2jDDNUWD
9Please respect copyright.PENANAyhtZwPDogZ
門在他身後關上。走廊裡的光線比實驗室暗,有一段路的路燈壞了,他走過那段黑暗的時候,腳邊踢到了一個什麼東西,滾出去撞到牆角,發出一聲乾澀的塑料撞擊聲。他沒有停下來看那是什麼,繼續往前走。9Please respect copyright.PENANAiq2jJAYQPW
9Please respect copyright.PENANALDLYcECWRz
手裡的文件袋邊角抵在他的大腿上,隔著褲子布料能感覺到紙張的硬邊。他本來是想把圖紙放在實驗室裡的,但教授說讓他帶回去,他就帶回去了。現在他得找一個地方放這些東西,宿舍的抽屜已經塞滿了,桌面上也堆著書和筆記本,沒有多餘的空間。9Please respect copyright.PENANAHlCT6eDvSi
9Please respect copyright.PENANAxLTzEfamiZ
他走進宿舍的時候,室友不在。他把文件袋放在枕頭上,在牀沿坐下來,脫掉外套,掛在椅背上。窗外的路燈照進來,在地板上投射出一塊長方形的黃色光斑,光斑裡有一隻死掉的飛蟲,翅膀乾透了,像一片透明的碎紙。9Please respect copyright.PENANAnklakJSJYv
9Please respect copyright.PENANABcVgqXTRug
他躺下來,盯著天花板上的裂紋。其中一條裂紋從燈座的位置開始,一直延伸到牆角,然後分岔成兩條更細的線,像一條河的分流。他記得這條裂紋,從他搬進來的第一天就在那裡,一年多了,沒有變長,也沒有變短。9Please respect copyright.PENANA9U0uHDgNXD
9Please respect copyright.PENANA8QEFLdnKxT
視野邊緣又開始浮現那種若隱若現的網格線,和偏頭痛發作前兆的感覺一模一樣。他閉上眼睛,數自己的心跳,數到第四十下的時候,網格線消失了。
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歸墟紀元
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歸墟紀元
Author:
郭智擎
ISSUE #15
校園篇-第15章:藍色的穩定
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