wait?â
Gorkyâs jaw set hard. âHeâll wait for Divine Image. A year at least. Do you know what a Von Neumann device is?â
Both men shook their heads. Miya Thorsven lit up. âItâs a machine no bigger than your two hands that makes more of itself! Itâs called Michelangelo. I worked on the Divine Image Project. Michelangelo mines the Moon and makes more Michelangelos and piles the slag along the Earth twilight rim. The numbers double over and over. In a year and a bit weâll have trillions of Michelangelos! Theyâre carving the near face of the Moon into an image of Waldemar the Eleventh!â
Svetz gaped. Gorky murmured, âResculpted from Waldemar Tenth, of course.â
Ra Chen said, âAmbitious. If youâre processing that much Moon, you could bake oxygen out of the slag too. Youâd wind up with an atmosphere.â
Gorky laughed and clapped a big hand on Ra Chenâs shoulder, hard. âRight. Right!â
âDoubling rate?â
âWeek and a bitââ
âBut you get all your action near the end, donât you? For this next year thereâs nothing to be seen from anywhere on Earthâ¦? Just videos of any number of your little mining things crawling over Moon rock.â
âYes.â
âHe bought it?â
âHe did.â
Miya was looking at Gorky in shocked disappointment. Gorky said, âIâm sorry, Miya. After you came back to Earth, some of the Michelangelos were chewing rock in the wrong places. Others got blocked up, or made junk, or just quit. Weâll keep fiddling.â
He turned back to Ra Chen. âBut a year from now weâll have to show the little buggers operating, or else have something to show him, or else Iâd better retire to the Moon. Thatâs real. Thereâs been a city in Clavius Crater since before there were Waldemars. Six hundred years.â
Svetz said, âMoon and Mars. Anything else?â
âRovers! Weâve got toy boxes crawling over every planet and moon in the solar system, hundreds of asteroids and scores of comets, taking pictures and samples. Weâve sent Forward probes past more than forty stars, with more on the way, Svetz, but the Forward devices are just silver blankets made of computer elements and launched by light pressure. Enough laser power to cremate a city in ten minutes,â Gorky said, watching to see if Ra Chen would flinch. âFiring for ten weeks.â
âThe lasers, theyâre on the Moon?â
âYes.â
âSo youâve got the Moon, and everything else is smoke and mirrors?â
âThereâs Mars Base One. Twenty men and women and some VR sets to control a thousand Rovers, Pilgrim model. I built it on the equator. I was hoping we could experiment with advanced lifting systems. Orbital towers. Maybe a Pinwheel. We never got that far. Too expensive. Even life support for cosmonauts is too expensive.â
Ra Chen said, âBut now youâve got a time machine.â
âAnd if I canât use the Institute, Iâll have to break you up and sell the parts for what I can get.â
Ra Chen didnât seem surprised. âYouâd get nothing but scrap prices.â
âHow much do you spend just keeping the Center going? Iâd save that much. It wouldnât save either of us, of course.â
4
On the other side of its glass wall, fifty feet of short-legged lizard half uncoiled, lifted its head high above them, and spat fire along the glass. Gorky and Ra Chen didnât appear to notice. Miya stared up at the beast in awe and wonder.
âWe should change the label on this,â Svetz said, ânow that Waldemar the Tenth is dead.â
âIsnât it a Gila monster?â
âNo. I found him in another picture book, after I caught him. Dragon!â
â You caughtââ
She cut herself off because Gorky was speaking. âYou can change the