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Molecular Nanotechnology in Aerospace: 1999. Dream: 10 18 MIPS computers [Drexler 1992a] 10 15 bytes/cm 2 write once memory [Bauschlicher 1997] Three ton 4 person SSTO [Drexler 1992b]. Al Globus Veridian-MRJ Technology Solutions, Inc. at NASA Ames Research Center.

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molecular nanotechnology in aerospace 1999

Molecular Nanotechnology in Aerospace: 1999

  • Dream:
  • 1018 MIPS computers [Drexler 1992a]
  • 1015 bytes/cm2 write once memory [Bauschlicher 1997]
  • Three ton 4 person SSTO [Drexler 1992b]

Al Globus

Veridian-MRJ Technology Solutions, Inc.

at NASA Ames Research Center

http://www.nas.nasa.gov/Pubs/TechReports/NASreports/NAS-00-001/

three pillars of molecular nanotechnology
Three Pillars of Molecular Nanotechnology
  • Atomically precise control of matter
  • Molecular machines
  • Programmable matter

Our favorite molecules:

carbon Nanotubes

http://www.nas.nasa.gov/Pubs/TechReports/NASreports/NAS-00-001/

atomically precise control of matter
Atomically Precise Control of Matter

http://www.almaden.ibm.com:80~/vis/stm/atomo.html

[Dekker 1999]

http://www.nas.nasa.gov/Pubs/TechReports/NASreports/NAS-00-001/

molecular machines
Molecular Machines

[Cassell 1999]

http://www.nas.nasa.gov/Pubs/TechReports/NASreports/NAS-00-001/

programmable matter
Programmable Matter
  • Numerical Machine Tools
  • Fabbers

http://www.Ennex.com/fabbers/uses.sht

  • DNA, RNA, Polypeptide sequencers

http://www.nas.nasa.gov/Pubs/TechReports/NASreports/NAS-00-001/

programmed molecules for sale
Programmed Molecules for Sale

http://www.nas.nasa.gov/Pubs/TechReports/NASreports/NAS-00-001/

applications
Applications
  • Computers
    • Design, simulate
    • Control
    • Test
  • H2 Storage
  • Materials
    • Strong
    • Heat tolerant
    • Smart and active

http://www.nas.nasa.gov/Pubs/TechReports/NASreports/NAS-00-001/

nanocomputer components
NanoComputer Components

[Tans 1998]

[Reed 1998]

http://www.nas.nasa.gov/Pubs/TechReports/NASreports/NAS-00-001/

nanocomputer architecture
NanoComputer Architecture
  • Teramac [Heath 1998]
    • Requires unreliable
      • Wires
      • Devices connecting the wires
    • in a 2D grid
  • Molecular implementation [Collier 1999]
    • Lithographically fabricated metal wires
    • Monolayer of redox-active rotaxane switches
    • Aiming for memory chip soon

http://www.nas.nasa.gov/Pubs/TechReports/NASreports/NAS-00-001/

cnt h 2 storage
CNT H2 Storage

Source: Deepak Srivastava, MRJ at NASA Ames

http://www.nas.nasa.gov/Pubs/TechReports/NASreports/NAS-00-001/

materials
Materials
  • Improved strength
    • Young’s modulus:
      • Steel: 0.2 TeraPascals
      • SWCNT: 1.2 TeraPascals
  • Smart paint
  • Active materials

Source: Deepak Srivastava

http://www.nas.nasa.gov/Pubs/TechReports/NASreports/NAS-00-001/

polybot replication
Polybot Replication

parts

Growth

Replication

http://www.nas.nasa.gov/Pubs/TechReports/NASreports/NAS-00-001/

summary
Summary
  • Molecular nanotechnology
    • Atomically precise control of matter
    • Molecular machines
    • Programmable matter
  • Aerospace applications
    • Computers
    • H2 Storage
    • Materials (sensors/actuators)
  • Major challenge: replication

http://www.nas.nasa.gov/Pubs/TechReports/NASreports/NAS-00-001/

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