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- Path: sparky!uunet!cs.utexas.edu!sun-barr!rutgers!igor.rutgers.edu!planchet.rutgers.edu!nanotech
- From: szabo@techbook.com (Nick Szabo)
- Newsgroups: sci.nanotech
- Subject: Re: Water
- Message-ID: <Nov.20.20.58.55.1992.26395@planchet.rutgers.edu>
- Date: 21 Nov 92 01:58:56 GMT
- Sender: nanotech@planchet.rutgers.edu
- Organization: TECHbooks of Beaverton Oregon - Public Access Unix
- Lines: 36
- Approved: nanotech@aramis.rutgers.edu
-
- hagerman@ece.cmu.edu (John Hagerman) writes:
-
- >How might nanotechnology contribute to
- >bulk chemical processes?
-
- Even early nanotech can contribute in a myriad of ways. For
- example, catalysts need to have structures precisely designed
- to trap certain kinds of molecules, let others flow through,
- and keep still others out, all without getting clogged or
- poisoned. Currently these catalysts are built by growing
- crystals of the right spacing in bulk. Sometimes catalysts
- come from biotech, for example the bacteria used to grow
- the corn syrup in soda pop. Within this millenium (only 7.1
- years left!) I predict we will start to see catalysts built
- by new techniques of nanolithography, including AFM machining,
- AFM arrays and nanoresists (see my previous article, "Nanolithography"
- for more details). Catalysts are critical to the oil industry,
- the chemical industry and to pollution control -- the worldwide
- market is in the $100's of billions per year and growing rapidly.
-
- Beyond new catalysts, I see a big market for micron-size chemical
- reactors. Their first use may be in artificial organs to produce
- various biological molecules. For example, they might replace or
- augment the functionality of the kidneys, pancreas, liver, thyroid
- gland, etc. They might produce psychoactive chemicals inside the
- blood-brain barrier. Microplants in space could manufacture
- propellant, a wide variety of industrial inputs and perform life
- support functions more efficiently. Over 95% of the mass we now
- launch into space could be replaced by these materials produced from
- comets, asteroids, Mars, etc. Even if Drexler's self-replicating
- assemblers are a long time in coming, nanolithographed tiny chemical
- reactors could open up the solar system.
-
-
- --
- Nick Szabo szabo@techboook.com
-