The Science of Discworld II Read online




  CONTENTS

  COVER

  ALSO BY TERRY PRATCHETT, IAN STEWART & JACK COHEN

  TITLE PAGE

  EPIGRAPH

  1 MESSAGE IN A BOTTLE

  2 THE UMPTY-UMPTH ELEMENT

  3 JOURNEY INTO L-SPACE

  4 THE ADJACENT POSSIBLE

  5 REMARKABLY LIKE ANKH-MORPORK

  6 THE LENS-GRINDER’S PHILOSOPHY

  7 CARGO CULT MAGIC

  8 PLANET OF THE APES

  9 THE ELVISH QUEEN

  10 BLIND MAN WITH LANTERN

  11 THE SHELLFISH SCENE

  12 EDGE PEOPLE

  13 STASIS QUO

  14 POOH AND THE PROPHETS

  15 TROUSER LEG OF TIME

  16 FREE WON’T

  17 FREEDOM OF INFORMATION

  18 BIT FROM IT

  19 LETTER FROM LANCRE

  20 SMALL GODS

  21 THE NEW SCIENTIST

  22 THE NEW NARRATIVIUM

  23 PARAGON OF ANIMALS

  24 THE EXTENDED PRESENT

  25 PARAGON OF VEGETABLES

  26 LIES TO CHIMPANZEES

  27 LACK OF WILL

  28 WORLDS OF IF

  29 ALL THE GLOBE’S A THEATRE

  30 LIES TO HUMANS

  31 A WOMAN ON STAGE?

  32 MAY CONTAIN NUTS

  INDEX

  COPYRIGHT

  BY THE SAME AUTHORS:

  TERRY PRATCHETT

  THE CARPET PEOPLE • THE DARK SIDE OF THE SUN • STRATA

  TRUCKERS • DIGGERS • WINGS • ONLY YOU CAN SAVE MANKIND

  JOHNNY AND THE DEAD • JOHNNY AND THE BOMB

  THE UNADULTERATED CAT (with Gray Jolliffe)

  GOOD OMENS (with Neil Gaiman)

  THE DISCWORD COMPANION (with Stephen Briggs)

  THE PRATCHETT PORTFOLIO (with Paul Kidby)

  THE DISCWORLD ® SERIES:

  THE COLOUR OF MAGIC • THE LIGHT FANTASTIC • EQUAL RITES • MORT

  SOURCERY • WYRD SISTERS • PYRAMIDS • GUARDS! GUARDS!

  ERIC (with Josh Kirby) • MOVING PICTURES • REAPER MAN • WITCHES ABROAD

  SMALL GODS • LORDS AND LADIES • MEN AT ARMS • SOUL MUSIC

  INTERESTING TIMES • MASKERADE • FEET OF CLAY

  HOGFATHER • JINGO • THE LAST CONTINENT • CARPE JUGULUM

  THE FIFTH ELEPHANT • THE TRUTH • THIEF OF TIME

  THE LAST HERO (with Paul Kidby)

  THE AMAZING MAURICE AND HIS EDUCATED RODENTS

  THE COLOUR OF MAGIC (graphic novel) • THE LIGHT FANTASTIC (graphic novel)

  MORT: A DISCWORLD BIG COMIC (with Graham Higgins)

  SOUL MUSIC: The illustrated screenplay • WYRD SISTERS: The illustrated screenplay

  MORT—THE PLAY (adapted by Stephen Briggs)

  WYRD SISTERS (adapted by Stephen Briggs)

  GUARDS! GUARDS! (adapted by Stephen Briggs)

  MEN AT ARMS (adapted by Stephen Briggs)

  THE FIFTH ELEPHANT (adapted by Stephen Briggs)

  THE STREETS OF ANKH-MORPORK (with Stephen Briggs)

  THE DISCWORLD MAPP (with Stephen Briggs)

  A TOURIST GUIDE TO LANCRE a Discworld Mapp (with Stephen Briggs and Paul Kidby)

  DEATH’S DOMAIN (with Paul Kidby) • NANNY OGG’S COOKBOOK

  THE SCIENCE OF DISCWORLD (with Ian Stewart and Jack Cohen)

  IAN STEWART

  CONCEPTS OF MODERN MATHEMATICS • GAME, SET, AND MATH

  THE PROBLEMS OF MATHEMATICS • DOES GOD PLAY DICE?

  ANOTHER FINE MATH YOU’VE GOT ME INTO

  FEARFUL SYMMETRY • NATURE’S NUMBERS • FROM HERE TO INFINITY

  THE MAGICAL MAZE • LIFE’S OTHER SECRET • FLATTERLAND

  WHAT SHAPE IS A SNOWFLAKE? • THE ANNOTATED FLATLAND

  JACK COHEN

  LIVING EMBRYOS • REPRODUCTION • PARENTS MAKING PARENTS

  SPERMS, ANTIBODIES AND INFERTILITY • THE PRIVILEGED APE

  STOP WORKING AND START THINKING (with Graham Medley)

  IAN STEWART AND JACK COHEN

  THE COLLAPSE OF CHAOS • FIGMENTS OF REALITY

  WHEELERS (science fiction) • EVOLVING THE ALIEN*

  * in press

  You spotted snakes with double tongue,

  Thorny hedgehogs, be not seen;

  Newts and blind-worms, do no wrong,

  Come not near our fairy Queen.

  I have had a most rare vision. I have had a dream, past the wit of man to say what dream it was. Man is but an ass if he go about to expound this dream. Methought I was—there is no man can tell what. Methought I was, and methought I had, but man is but a patch’d fool, if he will offer to say what methought I had. The eye of man hath not heard, the ear of man hath not seen, man’s hand is not able to taste, his tongue to conceive, nor his heart to report, what my dream was.

  This is the silliest stuff that ever I heard.

  WILLIAM SHAKESPEARE

  A MIDSUMMER NIGHT’S DREAM

  I’m nae listenin’ to them! They’ve got warts!

  ARTHUR J. NIGHTINGALE

  THE SHORT COMEDY OF MACBETH

  APOLOGY: this book is a true account of events in the life of William Shakespeare, but only for a given value of ‘true’.

  Warning: May Contain Nuts

  ONE

  MESSAGE IN A BOTTLE

  IN THE AIRY, CROWDED SILENCE of the forest, magic was hunting magic on silent feet.

  A wizard may be safely defined as a large ego which comes to a point at the top. That is why wizards do not blend well. That would mean looking like other people, and wizards do not wish to look like other people. Wizards aren’t other people.

  And therefore, in these thick woods, full of dappled shade, new growth and birdsong, the wizards who were in theory blending in, in fact blended out. They’d understood the theory of camouflage – at least they’d nodded when it was being explained – but had then got it wrong.

  For example, take this tree. It was short, and it had big gnarly roots. There were interesting holes in it. The leaves were a brilliant green. Moss hung from its branches. One hairy loop of grey-green moss, in particular, looked rather like a beard. Which was odd, because a lump in the wood above it looked rather like a nose. And then there was a blemish in the wood that could have been eyes …

  But overall this was definitely a tree. In fact, it was a lot more like a tree than a tree normally is. Practically no other tree in the forest looked so tree-like as this tree. It projected a sensation of extreme barkness, it exuded leafidity. Pigeons and squirrels were queuing up to settle in the branches. There was even an owl. Other trees were just sticks with greenery on compared to the sylvanic verdanity of this tree …

  … which raised a branch, and shot another tree. A spinning orange ball spun through the air and went splat! on a small oak.

  Something happened to the oak. Bits of twig and shadows and bark which had clearly made up an image of a gnarled old tree now equally clearly became the face of Archchancellor Mustrum Ridcully, Master of Unseen University (for the extremely magical) and running with orange paint.

  ‘Gotcha!’ shouted the Dean, causing the owl to leap from his hat. This was lucky for the owl, because a travelling glob of blue paint removed the hat a moment later.

  ‘Ahah! Take that, Dean!’ shouted an ancient beech tree behind him as, changing without actually changing, it became the figure of the Lecturer in Recent Runes.

  The Dean spun around, and a blob of orange paint hit him in the chest.

  ‘Eat permitted colourings!’ yelled an excited wizard.

  The Dean glared across the clearing to a crabapple tree which was, now, the Chair of Indefinite Studies.

  ‘What? I’m on your side, you damn fool!’ h
e said.

  ‘You can’t be! You made such a good target!’1

  The Dean raised his staff. Instantly, half a dozen orange and blue blobs exploded all over him as other hidden wizards let loose.

  Archchancellor Ridcully wiped paint out of his eyes.

  ‘All right, you fellows,’ he sighed. ‘Enough’s enough for today. Time for tea, eh?’

  It was so hard, he reflected, to get wizards to understand the concept of ‘team spirit’. It simply wasn’t part of wizardly thinking. A wizard could grasp the idea of, say, wizards versus some other group, but they lost their grip when it came to the idea of wizards against wizards. Wizard against wizards, yes, they had no trouble with that.

  They’d start out as two teams, but as soon as there was any engagement they’d get all excited and twitchy and shoot other wizards indiscriminately. If you were a wizard then, deep down, you knew that every other wizard was your enemy. If their wands had been left unfettered, rather than having been locked to produce only paint spells – Ridcully had been very careful about that – then this forest would have been on fire by now.

  Still, the fresh air was doing them good. The University was far too stuffy, Ridcully had always thought. Out here there was sun, and bird-song, and a nice warm breeze—

  —a cold breeze. The temperature was plunging.

  Ridcully looked down at his staff. Ice crystals were forming on it.

  ‘Turned a bit nippy all of a sudden, hasn’t it?’ he said, his breath tingling in the frigid air.

  And then the world changed.

  Rincewind, Egregious Professor of Cruel and Unusual Geography, was cataloguing his rock collection. This was, these days, the ground state of his being. When he had nothing else to do, he sorted rocks. His predecessors in the post had spent many years bringing back small examples of cruel or unusual geography and had never had time to catalogue them, so he saw this as his duty. Besides, it was wonderfully dull. He felt that there was not enough dullness in the world.

  Rincewind was the least senior member of the faculty. Indeed, the Archchancellor had made it clear that in seniority terms he ranked somewhat lower than the things that went ‘click’ in the woodwork. He got no salary and had complete insecurity of tenure. On the other hand, he got his laundry done free, a place at mealtimes and a bucket of coal a day. He also had his own office, no one ever visited him and he was strictly forbidden from attempting to teach anything to anyone. In academic terms, therefore, he considered himself pretty lucky.

  An additional reason for this was that he was in fact getting seven buckets of coal a day and so much clean laundry that even his socks were starched. This was because no one else had realised that Blunk, the coal porter, who was far too surly to read, delivered the buckets strictly according to the titles on the study doors.

  The Dean, therefore, got one bucket. So did the Bursar.

  Rincewind got seven because the Archchancellor had found him a useful recipient of all the titles, chairs and posts which (because of ancient bequests, covenants and, in one case at least, a curse) the University was obliged to keep filled. In most instances no one knew what the hell they were for or wanted anything to do with them, in case some clause somewhere involved students, so they were given to Rincewind.

  Every morning, therefore, Blunk stoically delivered seven buckets to the joint door of the Professor of Cruel and Unusual Geography, the Chair of Experimental Serendipity, the Reader in Slood Dynamics, the Fretwork Teacher,2 the Chair for the Public Misunderstanding of Magic, the Professor of Virtual Anthropology and the Lecturer in Approximate Accuracy … who usually opened the door in his underpants – that is to say, opened the door in the wall whilst wearing his underpants – and took the coal happily, even if it was a sweltering day. At Unseen University you had budgets, and if you didn’t use up everything you’d been given you wouldn’t get as much next time. If this meant you roasted all summer in order to be moderately warm during the winter, then that was a small price to pay for proper fiscal procedures.

  On this day, Rincewind carried the buckets inside and tipped the coal on the heap in the corner.

  Something behind him went ‘gloink’.

  It was a small, subtle and yet curiously intrusive sound, and it accompanied the appearance, on a shelf above Rincewind’s desk, of a beer bottle where no beer bottle had hitherto been.

  He took it down and stared at it. It had recently contained a pint of Winkle’s Old Peculiar. There was absolutely nothing ethereal about it, except that it was blue. The label was the wrong colour and full of spelling mistakes but it was mostly there, right down to the warning in tiny, tiny print: May Contain Nuts.3

  Now it contained a note.

  He removed this with some care, and unrolled it, and read it.

  Then he stared at the thing beside the beer bottle. It was a glass globe, about a foot across, and contained, floating within it, a smaller blue-and-fluffy-white globe.

  The smaller globe was a world, and the space inside the globe was infinitely large. The world and indeed the whole universe of which it was part had been created by the wizards of Unseen University more or less by accident, and the fact that it had ended up on a shelf in Rincewind’s tiny study was an accurate indication of how interested they were in it once the initial excitement had worn off.

  Rincewind watched the world, sometimes, through an omniscope. It mostly had ice ages, and was less engrossing than an ant farm. Sometimes he shook it up to see if it would make it interesting, but this never seemed to have much of an effect.

  Now he looked back at the note.

  It was extremely puzzling. And the university had someone to deal with things like that.

  Ponder Stibbons, like Rincewind, also had a number of jobs. However, instead of aspiring to seven, he perspired at three. He had long been the Reader in Invisible Writings, had drifted into the new post as Head of Inadvisably Applied Magic and had walked in all innocence into the office of Praelector, which is a university title meaning ‘person who gets given the nuisance jobs’.

  That meant that he was in charge in the absence of the senior members of the faculty. And, currently, this being the spring break, they were absent. And so were the students. The University was, therefore, running at near peak efficiency.

  Ponder smoothed out the beer-smelling paper and read:

  TELL STIBBONS GET HERE AT ONCE. BRING LIBRARIAN. WAS IN FOREST, AM IN ROUNDWORLD. FOOD GOOD, BEER AWFUL. WIZARDS USELESS. ELVES HERE TOO. DIRTY DEEDS AFOOT.

  RIDCULLY

  He looked up at the humming, clicking, busy bulk of Hex, the University’s magical thinking engine, then, with great care, he placed the message on a tray that was part of the machine’s rambling structure.

  A mechanical eyeball about a foot across lowered itself carefully from the ceiling. Ponder didn’t know how it worked, except that it contained vast amounts of incredibly finely drawn tubing. Hex had drawn up the plans one night and Ponder had taken them along to the gnome jewellers; he’d long ago lost track of what Hex was doing. The machine changed almost on a daily basis.

  The write-out began to clatter and produced the message:

  +++ Elves have entered Roundworld. This is to be expected. +++

  ‘Expected?’ said Ponder.

  +++ Their world is a parasite universe. It needs a host +++

  Ponder turned to Rincewind. ‘Do you understand any of this?’ he said.

  ‘No,’ said Rincewind. ‘But I’ve run into elves.’

  ‘And?’

  ‘And then I’ve run away from them. You don’t hang around elves. They’re not my field, unless they’re doing fretwork. Anyway, there’s nothing on Roundworld at the moment.’

  ‘I thought you did a report on the various species that kept turning up there?’

  ‘You read that?’

  ‘I read all the papers that get circulated,’ said Ponder.

  ‘You do?’

  ‘You said that every so often some kind of intelligent life turns up,
hangs around for a few million years, and then dies out because the air freezes or the continents explode or a giant rock smacks into the sea.’

  ‘That’s right,’ said Rincewind. ‘Currently the globe is a snowball again.’

  ‘So what is the faculty doing there now?’

  ‘Drinking beer, apparently.’

  ‘When the whole world is frozen?’

  ‘Perhaps it’s lager.’

  ‘But they are supposed to be running around in the woods, pulling together, solving problems and firing paint spells at one another,’ said Ponder.

  ‘What for?’

  ‘Didn’t you read the memo he sent out?’

  Rincewind shuddered. ‘Oh, I never read those,’ he said.

  ‘He took everyone off into the woods to build a dynamic team ethos,’ said Ponder. ‘It’s one of the Archchancellor’s Big Ideas. He says that if the faculty gets to know one another better, they’ll be a happier, more efficient team.’

  ‘But they do know one another! They’ve known one another for ages! That’s why they don’t like one another very much! They won’t stand for being turned into a happy and efficient team!’

  ‘Especially on a ball of ice,’ said Ponder. ‘They’re supposed to be in woods fifty miles away, not in a glass globe in your study! There is no way to get into Roundworld without using a considerable amount of magic, and the Archchancellor has banned me from running the thaumic reactor at anything like full power.’

  Rincewind looked again at the message from the bottle.

  ‘How did the bottle get out?’ he said.

  Hex printed:

  +++ I did that. I still maintain a watch on Roundworld. And I have been developing interesting procedures. It is now quite easy for me to reproduce an artefact in the real world +++

  ‘Why didn’t you tell us the Archchancellor needed help?’ sighed Ponder.

 

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