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Chapter 81
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The virus that ate through Da5id's brain was a string of binary1 information, shone into his face in the form of a bitmap -- a series of white and black pixels, where white represents zero and black represents one. They put the bitmap onto scrolls2 and gave the scrolls to avatars who went around the Metaverse looking for victims.

The Clint who tried to infect Hiro in The Black Sun got away, but he left his scroll3 behind -- he didn't reckon on having his arms lopped off -- and Hiro dumped it into the tunnel system below the floor, the place where the Graveyard4 Daemons live. Later, Hiro had a Daemon take the scroll back to his workshop. And anything that is in Hiro's house is, by definition, stored inside his own computer. He doesn't have to jack5 into the global network in order to access it.

It's not easy working with a piece of data that can kill you. But that's okay. In Reality, people work with dangerous substances all the time -- radioactive isotopes6 and toxic7 chemicals. You just have to have the right tools: remote manipulator arms, gloves, goggles8, leaded glass. And in Flatland, when you need a tool, you just sit down and write it. So Hiro starts by writing a few simple programs that enable him to manipulate the contents of the scroll without ever seeing it.

The scroll, like any other visible thing in the Metaverse, is a piece of software. It contains some code that describes what it looks like, so that your computer will know how to draw it, and some routines that govern the way it rolls and unrolls. And it contains, somewhere inside of itself, a resource, a hunk of data, the digital version of the Snow Crash virus.

Once the virus has been extracted and isolated10, it is easy enough for Hiro to write a new program called SnowScan. SnowScan is a piece of medicine. That is, it is code that protects Hiro's system -- both his hardware and, as Lagos would put it, his bioware -- from the digital Snow Crash virus. Once Hiro has installed it in his system, it will constantly scan the information coming in from outside, looking for data that matches the contents of the scroll. If it notices such information, it will block it.

There's other work to do in Flatland. Hiro's good with avatars, so he writes himself an invisible avatar -- just because, in the new and more dangerous Metaverse, it might come in handy. This is easy to do poorly and surprisingly tricky11 to do well. Almost anyone can write an avatar that doesn't look like anything, but it will lead to a lot of problems when it is used. Some Metaverse real estate -- including The Black Sun -- wants to know how big your avatar is so that it can figure out whether you are colliding with another avatar or some obstacle. If you give it an answer of zero -- you make your avatar infinitely12 small -- you will either crash that piece of real estate or else make it think that something is very wrong. You will be invisible, but everywhere you go in the Metaverse you will leave a swath of destruction and confusion a mile wide. In other places, invisible avatars are illegal. If your avatar is transparent13 and reflects no light whatsoever14 -- the easiest kind to write -- it will be recognized instantly as an illegal avatar and alarms will go off. It has to be written in such a way that other people can't see it, but the real estate software doesn't realize that it's invisible.

There are about a hundred little tricks like this that Hiro wouldn't know about if he hadn't been programming avatars for people like Vitaly Chernobyl for the last couple of years. To write a really good invisible avatar from scratch would take a long time, but he puts one together in several hours by recycling bits and pieces of old projects left behind in his computer. Which is how hackers15 usually do it.

While he's doing that, he comes across a rather old folder16 with some transportation software in it. This is left over from the very old days of the Metaverse, before the Monorail existed, when the only way to get around was to walk or to write a piece of ware9 that simulated a vehicle.

In the early days, when the Metaverse was a featureless black ball, this was a trivial job. Later on, when the Street went up and people started building real estate, it became more complicated. On the Street, you can pass through other people's avatars. But you can't pass through walls. You can't enter private property. And you can t pass through other vehicles, or through permanent Street fixtures17 such as the Ports and the stanchions that support the monorail line. If you try to collide with any of these things, you don't die or get kicked out of the Metaverse; you just come to a complete stop, like a cartoon character running spang into a concrete wall.

In other words, once the Metaverse began to fill up with obstacles that you could run into, the job of traveling across it at high speed suddenly became more interesting. Maneuverability became an issue; Size became an issue. Hiro and Da5id and the rest of them began to switch away from the enormous, bizarre vehicles they had favored at first -- Victorian houses on tank treads, rolling ocean liners, mile-wide crystalline spheres, flaming chariots drawn18 by dragons -- in favor of small maneuverable vehicles. Motorcycles, basically.

A Metaverse vehicle can be as fast and nimble as a quark. There's no physics to worry about, no constraints19 on acceleration20, no air resistance. Tires never squeal21 and brakes never lock up. The one thing that can't be helped is the reaction time of the user. So when they were racing22 their latest motorcycle software, holding wild rallies through Downtown at Mach 1, they didn't worry about engine capacity. They worried about the user interface23, the controls that enabled the rider to transfer his reactions into the machine, to steer24, accelerate, or brake as quickly as he could think. Because when you're in a pack of bike racers going through a crowded area at that speed, and you run into something and suddenly slow down to a speed of exactly zero, you can forget about catching25 up. One mistake and you've lost.

Hiro had a pretty good motorcycle. He probably could have had the best one on the Street, simply because his reflexes are unearthly. But he was more preoccupied26 with sword fighting than motorcycle riding.

He opens up the most recent version of his motorcycle software, gets familiar with the controls again. He ascends27 from Flatland into the three-dimensional Metaverse and practices riding his bike around his yard for a while. Beyond the boundaries of his yard is nothing but blackness, because he's not jacked into the net. It is a lost, desolate28 sensation, kind of like floating on a life raft in the Pacific Ocean.

Sometimes they see boats in the distance. A couple of these even swing close by to check them out, but none of them seems to be in that rescuing mood. There are few altruists in the vicinity of the Raft, and it must be evident that they don't have much to steal.

From time to time, they see an old deep-water fishing boat, fifty to a hundred feet long, with half a dozen or so small fast boats clustered around it.

When Eliot informs them that these are pirate vessels29, Vic and Fisheye prick31 up their ears. Vic unwraps his rifle from the collection of Hefty bags that he uses to protect it from the salt spray, and detaches the bulky sight so that they can use it as a spyglass. Hiro can't see any reason to pull the sight off the rifle in order to do this, other than the fact that if you don't, it looks like you're drawing a bead32 on whatever you're looking at.

Whenever a pirate vessel30 comes into view, they all take turns looking at it through the sight, playing with all the different sensor33 modes: visible, infrared34, and so on. Eliot has spent enough time knocking around the Rim35 that he has become familiar with the colors of the different pirate groups, so by examining them through the sight he can tell who they are: Clint Eastwood and his band parallel them for a few minutes one day, checking them out, and the Magnificent Seven send out one of their small boats to zoom36 by them and look for potential booty. Hiro's almost hoping they get taken prisoner by the Seven, because they have the nicest-looking pirate ship: a former luxury yacht with Exocet launch tubes kludged to the foredeck. But this reconnaissance leads nowhere. The pirates, unschooled in thermodynamics, do not grasp the implications of the eternal plume37 of steam coming from beneath the life raft.

One morning, a big old trawler materializes very close to them, congealing38 out of nothing as the fog lifts. Hiro has been hearing its engines for a while, but didn't realize how close it was.


点击收听单词发音收听单词发音  

1 binary jybzWZ     
adj.二,双;二进制的;n.双(体);联星
参考例句:
  • Computers operate using binary numbers.计算机运行运用二进位制。
  • Let us try converting the number itself to binary.我们试一试,把这个数本身变成二进制数。
2 scrolls 3543d1f621679b6ce6ec45f8523cf7c0     
n.(常用于录写正式文件的)纸卷( scroll的名词复数 );卷轴;涡卷形(装饰);卷形花纹v.(电脑屏幕上)从上到下移动(资料等),卷页( scroll的第三人称单数 );(似卷轴般)卷起;(像展开卷轴般地)将文字显示于屏幕
参考例句:
  • Either turn it off or only pick up selected stuff like wands, rings and scrolls. 把他关掉然后只捡你需要的物品,像是魔杖(wand),戒指(rings)和滚动条(scrolls)。 来自互联网
  • Ancient scrolls were found in caves by the Dead Sea. 死海旁边的山洞里发现了古代的卷轴。 来自辞典例句
3 scroll kD3z9     
n.卷轴,纸卷;(石刻上的)漩涡
参考例句:
  • As I opened the scroll,a panorama of the Yellow River unfolded.我打开卷轴时,黄河的景象展现在眼前。
  • He was presented with a scroll commemorating his achievements.他被授予一幅卷轴,以表彰其所做出的成就。
4 graveyard 9rFztV     
n.坟场
参考例句:
  • All the town was drifting toward the graveyard.全镇的人都象流水似地向那坟场涌过去。
  • Living next to a graveyard would give me the creeps.居住在墓地旁边会使我毛骨悚然。
5 jack 53Hxp     
n.插座,千斤顶,男人;v.抬起,提醒,扛举;n.(Jake)杰克
参考例句:
  • I am looking for the headphone jack.我正在找寻头戴式耳机插孔。
  • He lifted the car with a jack to change the flat tyre.他用千斤顶把车顶起来换下瘪轮胎。
6 isotopes 92848c3160703e48dc3b552ac6f54115     
n.同位素;同位素( isotope的名词复数 )
参考例句:
  • the many isotopes of carbon 碳的诸多同位素
  • Tritium is one of the mildest radioactive isotopes. 氚是最和缓的放射性同位素之一。 来自《简明英汉词典》
7 toxic inSwc     
adj.有毒的,因中毒引起的
参考例句:
  • The factory had accidentally released a quantity of toxic waste into the sea.这家工厂意外泄漏大量有毒废物到海中。
  • There is a risk that toxic chemicals might be blasted into the atmosphere.爆炸后有毒化学物质可能会进入大气层。
8 goggles hsJzYP     
n.护目镜
参考例句:
  • Skiers wear goggles to protect their eyes from the sun.滑雪者都戴上护目镜使眼睛不受阳光伤害。
  • My swimming goggles keep steaming up so I can't see.我的护目镜一直有水雾,所以我看不见。
9 ware sh9wZ     
n.(常用复数)商品,货物
参考例句:
  • The shop sells a great variety of porcelain ware.这家店铺出售品种繁多的瓷器。
  • Good ware will never want a chapman.好货不须叫卖。
10 isolated bqmzTd     
adj.与世隔绝的
参考例句:
  • His bad behaviour was just an isolated incident. 他的不良行为只是个别事件。
  • Patients with the disease should be isolated. 这种病的患者应予以隔离。
11 tricky 9fCzyd     
adj.狡猾的,奸诈的;(工作等)棘手的,微妙的
参考例句:
  • I'm in a rather tricky position.Can you help me out?我的处境很棘手,你能帮我吗?
  • He avoided this tricky question and talked in generalities.他回避了这个非常微妙的问题,只做了个笼统的表述。
12 infinitely 0qhz2I     
adv.无限地,无穷地
参考例句:
  • There is an infinitely bright future ahead of us.我们有无限光明的前途。
  • The universe is infinitely large.宇宙是无限大的。
13 transparent Smhwx     
adj.明显的,无疑的;透明的
参考例句:
  • The water is so transparent that we can see the fishes swimming.水清澈透明,可以看到鱼儿游来游去。
  • The window glass is transparent.窗玻璃是透明的。
14 whatsoever Beqz8i     
adv.(用于否定句中以加强语气)任何;pron.无论什么
参考例句:
  • There's no reason whatsoever to turn down this suggestion.没有任何理由拒绝这个建议。
  • All things whatsoever ye would that men should do to you,do ye even so to them.你想别人对你怎样,你就怎样对人。
15 hackers dc5d6e5c0ffd6d1cd249286ced098382     
n.计算机迷( hacker的名词复数 );私自存取或篡改电脑资料者,电脑“黑客”
参考例句:
  • They think of viruses that infect an organization from the outside.They envision hackers breaking into their information vaults. 他们考虑来自外部的感染公司的病毒,他们设想黑客侵入到信息宝库中。 来自《简明英汉词典》
  • Arranging a meeting with the hackers took weeks againoff-again email exchanges. 通过几星期电子邮件往来安排见面,他们最终同意了。 来自互联网
16 folder KjixL     
n.纸夹,文件夹
参考例句:
  • Peter returned the plan and charts to their folder.彼得把这份计划和表格放回文件夹中。
  • He draws the document from its folder.他把文件从硬纸夹里抽出来。
17 fixtures 9403e5114acb6bb59791a97291be54b5     
(房屋等的)固定装置( fixture的名词复数 ); 如(浴盆、抽水马桶); 固定在某位置的人或物; (定期定点举行的)体育活动
参考例句:
  • The insurance policy covers the building and any fixtures contained therein. 保险单为这座大楼及其中所有的设施保了险。
  • The fixtures had already been sold and the sum divided. 固定设备已经卖了,钱也分了。 来自英汉文学 - 嘉莉妹妹
18 drawn MuXzIi     
v.拖,拉,拔出;adj.憔悴的,紧张的
参考例句:
  • All the characters in the story are drawn from life.故事中的所有人物都取材于生活。
  • Her gaze was drawn irresistibly to the scene outside.她的目光禁不住被外面的风景所吸引。
19 constraints d178923285d63e9968956a0a4758267e     
强制( constraint的名词复数 ); 限制; 约束
参考例句:
  • Data and constraints can easily be changed to test theories. 信息库中的数据和限制条件可以轻易地改变以检验假设。 来自英汉非文学 - 科学史
  • What are the constraints that each of these imply for any design? 这每种产品的要求和约束对于设计意味着什么? 来自About Face 3交互设计精髓
20 acceleration ff8ya     
n.加速,加速度
参考例句:
  • All spacemen must be able to bear acceleration.所有太空人都应能承受加速度。
  • He has also called for an acceleration of political reforms.他同时呼吁加快政治改革的步伐。
21 squeal 3Foyg     
v.发出长而尖的声音;n.长而尖的声音
参考例句:
  • The children gave a squeal of fright.孩子们发出惊吓的尖叫声。
  • There was a squeal of brakes as the car suddenly stopped.小汽车突然停下来时,车闸发出尖叫声。
22 racing 1ksz3w     
n.竞赛,赛马;adj.竞赛用的,赛马用的
参考例句:
  • I was watching the racing on television last night.昨晚我在电视上看赛马。
  • The two racing drivers fenced for a chance to gain the lead.两个赛车手伺机竞相领先。
23 interface e5Wx1     
n.接合部位,分界面;v.(使)互相联系
参考例句:
  • My computer has a network interface,which allows me to get to other computers.我的计算机有网络接口可以与其它计算机连在一起。
  • This program has perspicuous interface and extensive application. 该程序界面明了,适用范围广。
24 steer 5u5w3     
vt.驾驶,为…操舵;引导;vi.驾驶
参考例句:
  • If you push the car, I'll steer it.如果你来推车,我就来驾车。
  • It's no use trying to steer the boy into a course of action that suits you.想说服这孩子按你的方式行事是徒劳的。
25 catching cwVztY     
adj.易传染的,有魅力的,迷人的,接住
参考例句:
  • There are those who think eczema is catching.有人就是认为湿疹会传染。
  • Enthusiasm is very catching.热情非常富有感染力。
26 preoccupied TPBxZ     
adj.全神贯注的,入神的;被抢先占有的;心事重重的v.占据(某人)思想,使对…全神贯注,使专心于( preoccupy的过去式)
参考例句:
  • He was too preoccupied with his own thoughts to notice anything wrong. 他只顾想着心事,没注意到有什么不对。
  • The question of going to the Mount Tai preoccupied his mind. 去游泰山的问题盘踞在他心头。 来自《简明英汉词典》
27 ascends 70c31d4ff86cb70873a6a196fadac6b8     
v.上升,攀登( ascend的第三人称单数 )
参考例句:
  • The azygos vein ascends in the right paravertebral gutter. 奇静脉在右侧脊柱旁沟内上升。 来自辞典例句
  • The mortality curve ascends gradually to a plateau at age 65. 死亡曲线逐渐上升,到65岁时成平稳状态。 来自辞典例句
28 desolate vmizO     
adj.荒凉的,荒芜的;孤独的,凄凉的;v.使荒芜,使孤寂
参考例句:
  • The city was burned into a desolate waste.那座城市被烧成一片废墟。
  • We all felt absolutely desolate when she left.她走后,我们都觉得万分孤寂。
29 vessels fc9307c2593b522954eadb3ee6c57480     
n.血管( vessel的名词复数 );船;容器;(具有特殊品质或接受特殊品质的)人
参考例句:
  • The river is navigable by vessels of up to 90 tons. 90 吨以下的船只可以从这条河通过。 来自《简明英汉词典》
  • All modern vessels of any size are fitted with radar installations. 所有现代化船只都有雷达装置。 来自《现代汉英综合大词典》
30 vessel 4L1zi     
n.船舶;容器,器皿;管,导管,血管
参考例句:
  • The vessel is fully loaded with cargo for Shanghai.这艘船满载货物驶往上海。
  • You should put the water into a vessel.你应该把水装入容器中。
31 prick QQyxb     
v.刺伤,刺痛,刺孔;n.刺伤,刺痛
参考例句:
  • He felt a sharp prick when he stepped on an upturned nail.当他踩在一个尖朝上的钉子上时,他感到剧烈的疼痛。
  • He burst the balloon with a prick of the pin.他用针一戳,气球就爆了。
32 bead hdbyl     
n.念珠;(pl.)珠子项链;水珠
参考例句:
  • She accidentally swallowed a glass bead.她不小心吞下了一颗玻璃珠。
  • She has a beautiful glass bead and a bracelet in the box.盒子里有一颗美丽的玻璃珠和手镯。
33 sensor sz7we     
n.传感器,探测设备,感觉器(官)
参考例句:
  • The temperature sensor is enclosed in a protective well.温度传感器密封在保护套管中。
  • He plugged the sensor into a outlet.他把传感器插进电源插座。
34 infrared dx0yp     
adj./n.红外线(的)
参考例句:
  • Infrared is widely used in industry and medical science.红外线广泛应用于工业和医学科学。
  • Infrared radiation has wavelengths longer than those of visible light.红外辐射的波长比可见光的波长长。
35 rim RXSxl     
n.(圆物的)边,轮缘;边界
参考例句:
  • The water was even with the rim of the basin.盆里的水与盆边平齐了。
  • She looked at him over the rim of her glass.她的目光越过玻璃杯的边沿看着他。
36 zoom VenzWT     
n.急速上升;v.突然扩大,急速上升
参考例句:
  • The airplane's zoom carried it above the clouds.飞机的陡直上升使它飞到云层之上。
  • I live near an airport and the zoom of passing planes can be heard night and day.我住在一个飞机场附近,昼夜都能听到飞机飞过的嗡嗡声。
37 plume H2SzM     
n.羽毛;v.整理羽毛,骚首弄姿,用羽毛装饰
参考例句:
  • Her hat was adorned with a plume.她帽子上饰着羽毛。
  • He does not plume himself on these achievements.他并不因这些成就而自夸。
38 congealing bdafca10dbaddc917ad622b6293452a9     
v.使凝结,冻结( congeal的现在分词 );(指血)凝结
参考例句:
  • Vague European uneasiness was congealing into panic. 欧洲各国先是隐约不安,后来逐渐惊慌失措起来。 来自辞典例句
  • The process of congealing or the state of being congealed. 凝结的过程或被凝结后的状态。 来自互联网


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