Then came a sudden burst of clearly enunciated syllables, floating in isolation above the noise:

  -- _Onoodor_ --

  That startled me.

  A nonsense word? No, no, a real one, one that had meaning for me, a word in an obscure language that I just happen to understand.

  "Today," that's what it means. In Khalkha. My specialty. But it was crazy that this machine would be speaking Khalkha to me. This had to be some sort of coincidence. What I'd heard was a random clumping of sounds that I must automatically have arranged into a meaningful pattern. I was kidding myself. Or else Joe was playing an elaborate practical joke. Only he seemed very serious.

  I strained to hear more. But everything was babble again.

  Then, out of the chaos:

  -- _Usan deer_ --

  Khalkha, again: "On the water." It couldn't be a coincidence.

  More noise. Skwkaark skreek yubble gobble.

  -- _Aawa namaig yawuulawa_ --

  "Father sent me."

  Skwkaark. Yabble. Eeeeesh.

  "Go on," I said. I felt sweat rolling down my back. "Your father sent you where? Where? _Khaana_. Tell me where."

  -- _Usan deer_ --

  "On the water, yes."

  Yarkhh. Skreek. Tshhhhhhh.

  -- _Akhanartan_ --

  "To his elder brother. Yes."

  I closed my eyes and let my mind rove out into the darkness. It drifted on a sea of scratchy noise. Now and again I caught an actual syllable, half a syllable, a slice of a word, a clipped fragment of meaning. The voice was brusque, forceful, a drill-sergeant voice, carrying an undertone of barely suppressed rage.

  Somebody very angry was speaking to me across a great distance, over a channel clotted with interference, in a language that hardly anyone in the United States knew anything about: Khalkha. Spoken a little oddly, with an unfamiliar intonation, but plainly recognizable.

  I said, speaking very slowly and carefully and trying to match the odd intonation of the voice at the other end, "I can hear you and I can understand you. But there's a lot of interference. Say everything three times and I'll try to follow."

  I waited. But now there was only a roaring silence in my ears. Not even the shrieking, not even the babble.

  I looked up at Hedley like someone coming out of a trance.

  "It's gone dead."

  "You sure?"

  "I don't hear anything, Joe."

  He snatched the helmet from me and put it on, fiddling with the electrodes in that edgy, compulsively precise way of his. He listened for a moment, scowled, nodded. "The relay satellite must have passed around the far side of the sun. We won't get anything more for hours if it has."

  "The relay satellite? Where the hell was that broadcast coming from?"

  "In a minute," he said. He reached around and took the helmet off. His eyes had a brassy gleam and his mouth was twisted off to the corner of his face, almost as if he'd had a stroke. "You were actually able to understand what he was saying, weren't you?"

  I nodded.

  "I knew you would. And was he speaking Mongolian?"

  "Khalkha, yes. The main Mongolian dialect."

  The tension left his face. He gave me a warm, loving grin. "I was sure you'd know. We had a man in from the university here, the comparative linguistics department -- you probably know him, Malmstrom's his name -- and he said it sounded to him like an Altaic language, maybe Turkic -- is that right, Turkic? -- but more likely one of the Mongolian languages, and the moment he said Mongolian I thought, That's it, get Mike down here right away -- " He paused. "So it's the language that they speak in Mongolia right this very day, would you say?"

  "Not quite. His accent was a little strange. Something stiff about it, almost archaic."

  "Archaic."

  "It had that feel, yes. I can't tell you why. There's just something formal and old-fashioned about it, something, well -- "

  "Archaic," Hedley said again. Suddenly there were tears in his eyes. I couldn't remember ever having seen him crying before.

  _What they have_, the kid who picked me up at the airport had said, _is a machine that lets them talk with the dead_.

  "Joe?" I said. "Joe, what in God's name is this all about?"

  * * * *

  We had dinner that night in a sleek restaurant on a sleek, quiet La Jolla street of elegant shops and glossy-leaved trees, just the two of us, the first time in a long while that we'd gone out alone like that. Lately we tended to see each other once or twice a year at most, and Joe, who is almost always between marriages, would usually bring along his latest squeeze, the one who was finally going to bring order and stability and other such things to his tempestuous private life. And since he always needs to show the new one what a remarkable human being he is, he's forever putting on a performance, for the woman, for me, for the waiters, for the people at the nearby tables. Generally the fun's at my expense, for compared with Hedley I'm very staid and proper and I'm eighteen years into my one and only marriage so far, and Joe often seems to enjoy making me feel that there's something wrong with that. I never see him with the same woman twice, except when he happens to marry one of them. But tonight it was all different. He was alone, and the conversation was subdued and gentle and rueful, mostly about the years we'd had put in knowing each other, the fun we'd had, the regret Joe felt during the occasional long periods when we didn't see much of each other. He did most of the talking. There was nothing new about that. But mostly it was just chatter. We were three quarters of the way down the bottle of silky Cabernet before Joe brought himself around to the topic of the experiment. I hadn't wanted to push.

  "It was pure serendipity," he said. "You know, the art of finding what you're not looking for. We were trying to clean up some problems in radio transmission from the Icarus relay station -- that's the one that the Japs and the French hung around the sun inside the orbit of Mercury -- and we were fiddling with this and fiddling with that, sending out an assortment of test signals at a lot of different frequencies, when out of nowhere we got a voice coming back at us. A man's voice. Speaking a strange language. Which turned out to be Chaucerian English."

  "Some kind of academic prank?" I suggested.

  He looked annoyed. "I don't think so. But let me tell it, Mike, okay? Okay?" He cracked his knuckles and rearranged the knot of his tie. "We listened to this guy and gradually we figured out a little of what he was saying and we called in a grad student from U.C.S.D. who confirmed it -- thirteenth-century English -- and it absolutely knocked us on our asses." He tugged at his earlobes and rearranged his tie again. A sort of manic sheen was coming into his eyes. "Before we could even begin to comprehend what we were dealing with, the Englishman was gone and we were picking up some woman making a speech in medieval French. Like we were getting a broadcast from Joan of Arc, do you see? Not that I'm arguing that that's who she was. We had her for half an hour, a minute here and a minute there with a shitload of interference, and then came a solar flare that disrupted communications, and when we had things tuned again we got a quick burst of what turned out to be Arabic, and then someone else talking in Middle English, and then, last week, this absolutely incomprehensible stuff, which Malmstrom guessed was Mongolian and you have now confirmed. The Mongol has stayed on the line longer than all the others put together."

  "Give me some more wine," I said.

  "I don't blame you. It's made us all crazy too. The best we can explain it to ourselves, it's that our beam passes through the sun, which as I think you know, even though your specialty happens to be Chinese history and not physics, is a place where the extreme concentration of mass creates some unusual stresses on the fabric of the continuum, and some kind of relativistic force warps the hell out of it, so that the solar field sends our signal kinking off into God knows where, and the effect is to give us a telephone line to the Middle Ages. If that sounds like gibberish to you, imagine how it sounds to us." Hedley spoke without raising his head, while moving his silverware around busily from one side of his plate to the other. "You see now about channeling? It's no fucking joke. Shit, we _are_ channeling, only looks like it might actually be real, doesn't it?"

  "I see," I said. "So at some point you're going to have to call up the Secretary of Defense and say, Guess what, we've been getting telephone calls on the Icarus beam from Joan of Arc. And then they'll shut down your lab here and send you off to get your heads replumbed."

  He stared at me. His nostrils flickered contemptuously.

  "Wrong. Completely wrong. You never had any notion of flair, did you? The sensational gesture that knocks everybody out? No. Of course not. Not _you_. Look, Mike, If I can go in there and say, We can talk to the dead, and we can _prove_ it, they'll kiss our asses for us. Don't you see how fucking sensational it would be, something coming out of these government labs that ordinary people can actually understand and cheer and yell about? Telephone line to the past! George Washington himself, talking to Mr. and Mrs. America! Abe Lincoln! Something straight out of the _National Enquirer_, right, only _real_? We'd all be heroes. But it's got to be real, that's the kicker. We don't need a rational explanation for it, at least not right away. All it has to do is work. Christ, 99% of the people don't even know why electric lights light up when you flip the switch. We have to find out what we really have and get to understand it at least a little and be 200% sure of ourselves. And then we present it to Washington and we say, Here, this is what we did and this is what happens, and don't blame us if it seems crazy. But we have to keep it absolutely to ourselves until we understand enough of what we've stumbled on to be able to explain it to them with confidence. If we do it right we're goddamned kings of the world. A Nobel would be just the beginning. You understand now?"

  "Maybe we should get another bottle of wine," I said.

  * * * *

  We were back in the lab by midnight. I followed Hedley through a maze of darkened rooms, ominous with mysterious equipment glowing in the night.

  A dozen or so staffers were on duty. They smiled wanly at Hedley as if there was nothing unusual about his coming back to work at this hour.

  "Doesn't anyone sleep around here?" I asked.

  "It's a twenty-four hour information world," Joe said. "We'll be recapturing the Icarus beam in 43 minutes. You want to hear some of the earlier tapes?"

  He touched a switch and from an unseen speaker came crackles and bleebles and then a young woman's voice, strong and a little harsh, uttering brief blurts of something that sounded like strange singsong French, to me not at all understandable.

  "Her accent's terrible," I said. "What's she saying?"

  "It's too fragmentary to add up to anything much. She's praying, mostly. May the king live, may God strengthen his arm, something like that. For all we know it _is_ Joan of Arc. We haven't gotten more than a few minutes total coherent verbal output out of any of them, usually a lot less. Except for the Mongol. He goes on and on. It's like he doesn't want to let go of the phone."

  "And it really is a phone?" I asked. "What we say here, they can hear there?"

  "We don't know that, because we haven't been able to make much sense out of what they say, and by the time we get it deciphered we've lost contact. But it's got to be a two-way contact. They must be getting _something_ from us, because we're able to get their attention somehow and they talk back to us."

  "They receive your signal without a helmet?"

  "The helmet's just for your benefit. The actual Icarus signal comes in digitally. The helmet's the interface between our computer and your ears."

  "Medieval people don't have digital computers either, Joe."

  A muscle started popping in one of his cheeks. "No, they don't," he said. "Tt must come like a voice out of the sky. Or right inside their heads. But they hear us."

  "How?"

  "Do I know? You want this to make sense, Mike? _Nothing_ about this makes sense. Let me give you an example. You were talking with that Mongol, weren't you? You asked him something and he answered you?"

  "Yes. But -- "

  "Let me finish. What did you ask him?"

  "He said his father sent him somewhere. I asked him where, and he said, On the water. To visit his elder brother."

  "He answered you right away?"

  "Yes," I said.

  "Well, that's actually impossible. The Icarus is 93 million miles from here. There's has to be something like an eight-minute time-lag in radio transmission. You follow? You ask him something and it's eight minutes before the beam reaches Icarus, and eight minutes more for his answer to come back. He sure as hell can't hold a real-time conversation with you. But you say he was."

  "It may only have seemed that way. It could just have been coincidence that what I asked and what he happened to say next fit together like question and response."

  "Maybe. Or maybe whatever kink in time we're operating across eats up the lag for us, too. I tell you, nothing makes sense about this. But one way or another the beam is reaching them and it carries coherent information. I don't know why that is. It just is. Once you start dealing in impossible stuff, anything might be true. So why can't our voices come out of thin air to them?" Hedley laughed nervously. Or perhaps it was a cough, I thought. "The thing is," he went on, "this Mongol is staying on line longer than any of the others, so with you here we have a chance to have some real communication with him. You speak his language. You can validate this whole goddamn grotesque event for us, do you see? You can have an honest-to-God chat with some guy who lived six hundred years ago, and find out where he really is and what he thinks is going on, and tell us all about it."

  I stole a glance at the wall clock. Half past twelve. I couldn't remember the last time I'd been up this late. I lead a nice quiet tenured life, full professor thirteen years now, University of Washington Department of Sinological Studies.

  "We're about ready to acquire signal again," Hedley said. "Put the helmet on."

  I slipped it into place. I thought about that little communications satellite chugging around the sun, swimming through inconceivable heat and unthinkable waves of hard radiation and somehow surviving, coming around the far side now, beaming electro-magnetic improbabilities out of the distant past at my head.

  The squawking and screeching began.

  Then, emerging from the noise and murk and sonic darkness, came the Mongol's voice, clear and steady:

  "Where are you, you voice, you? Speak to me."

  "Here," I said. "Can you hear me?"

  Aark. Yaaarp. Tshhhhhhh.

  The Mongol said, "Voice, what are you? Are you mortal or are you a prince of the master?"

  I wrestled with the puzzling words. I'm fluent enough in Khalkha, though I don't get many opportunities for speaking it. But there was a problem of context here.

  "Which master?" I asked finally. "What prince?"

  "There is only one Master," said the Mongol. He said this with tremendous force and assurance, putting terrific spin on every syllable, and the capital letter was apparent in his tone. "I am His servant. The _angeloi_ are his princes. Are you an _angelos_, voice?"

  _Angeloi_? That was Greek. A Mongol, asking me if I was an angel of God?

  "Not an angel, no," I said.

  "Then how can you speak to me this way?"

  "It's a kind of -- " I paused. I couldn't come up with the Khalka for "miracle". After a moment I said, "It's by the grace of heaven on high. I'm speaking to you from far away."

  "How far?"

  "Tell me where you are."

  Skrawwwwk. Tshhhhhh.

  "Again. Where are you?"

  "Nova Roma. Constantinopolis."

  I blinked. "Byzantium?"

  "Byzantium, yes."

  "I am very far from there."

  "How far?" the Mongol said fiercely.

  "Many many days' ride. Many many." I hesitated. "Tell me what year it is, where you are."

  Vzsqkk. Blzzp. Yiiiiiik.

  "What's he saying to you?" Hedley asked. I waved at him furiously to be quiet.

  "The year," I said again. "Tell me what year it is."

  The Mongol said scornfully, "Everyone knows the year, voice."

  "Tell me."

  "It is the year 1187 of our Savior."

  I began to shiver. Our Savior? Weirder and weirder, I thought. A Christian Mongol? Living in Byzantium? Talking to me on the space telephone out of the twelfth century? The room around me took on a smoky, insubstantial look. My elbows were aching, and something was throbbing just above my left cheekbone. This had been a long day for me. I was very tired. I was heading into that sort of weariness where walls melted and bones turned soft. Joe was dancing around in front of me like someone with tertiary St. Vitus'.

  "And your name?" I said.

  "I am Petros Alexios."

  "Why do you speak Khalkha if you are Greek?"

  A long silence, unbroken even by the hellish static.

  "I am not Greek," came the reply finally. "I am by birth Khalkha Mongol, but raised Christian among the Christians from age eleven, when my father sent me on the water and I was taken. My name was Temujin. Now I am twenty and I know the Savior."

  I gasped and put my hand to my throat as though it had been skewered out of the darkness by a spear.

  "Temujin," I said, barely getting the word out.

  "My father was Yesugei the chieftain."

  "Temujin," I said again. "Son of Yesugei." I shook my head.

  Aaark. Blzzzp. Tshhhhhh.

  Then no static, no voice, only the hushed hiss of silence.

  "Are you okay?" Hedley asked.

  "We've lost contact, I think."

  "Right. It just broke. You look like your brain has shorted out."

  I slipped the helmet off. My hands were shaking.

  "You know," I said, "maybe that French woman really was Joan of Arc."

  "What?"

  I shrugged. "She really might have been," I said wearily. "Anything's possible, isn't it?"