Nano means one billionth major aspects of nanotechnology what is it how did it come about what are the social implications

Nanotechnology
Nanotechnology
Technology of the Future

Major Aspects of Nanotechnology
Major Aspects of Nanotechnology
•
What is it?
•
How did it come about?
•
What are the social implications?
•
What does this mean for the future?

Definitions
Definitions
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Nanotechnology - Deals with moleculues between
one and one hundred nanometers in diameter.
Manipulating individual atoms and manufacturing
from the bottom up.
•
Nano means one billionth.

Major Aspects of Nanotechnology
Major Aspects of Nanotechnology
•
What is it?
•

How did it come about?
•
What are the social implications?
•
What does this mean for the future?

History of Nanotechnology
•
E = mc
2
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Atomic bomb
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Biotechnology/Genetic Engineering
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Quantum Physics
•
Nanophase materials

Nanotechnology Past and Present
Nanotechnology Past and Present
(A) a hand holding a computer chip.
(B) computer chip
(C) living cell placed on the chip
(D) two nanocomputers beside the cell.
(E) shows an irregular protein from the cell on the
lower right, and a cylindrical gear made by
molecular manufacturing at top left.
(F) shows two atoms in the protein,
(G) reveals the nucleus of the atom as a tiny speck.

Below: 35 xenon atoms spell out a familiar logo

A demonstration on the
A demonstration on the
molecular level
molecular level
A nano-motor manipulated by two laser beams

Major Aspects of Nanotechnology
Major Aspects of Nanotechnology
•
What is it?
•
How did it come about?
•
What are the social
implications?
•
What does this mean for the future?

Positive Effects on Society
Positive Effects on Society
Above: Nanomachines
could allow for cleaner
energy production
Right: Nanomachines in
the blood stream
patrolling for viruses

Positive Effects on Society

Positive Effects on Society
(Medical Applications)
(Medical Applications)
Nanomachines could travel through the bloodstream

Negative Effects on Society
Negative Effects on Society

Major Aspects of Nanotechnology
Major Aspects of Nanotechnology
•
What is it?
•
How did it come about?
•
What are the social implications?
•
What does this mean for the
future?

The Future with Nanotechnology
The Future with Nanotechnology
Left: A nano-gear
Right: A nano-universal-joint

The Future with Nanotechnology
The Future with Nanotechnology
Above: A nano-bearing
Right: A “nano-factory”

If it falls into the wrong hands
If it falls into the wrong hands
Genocide and ethnic
cleansing (pictures
from Kosovo)

Some Final Thoughts
Some Final Thoughts
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Still a young science, but could take off at any time
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Presents wonderful opportunities
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Presents terrible opportunities

References
References
Calvin - />Scale drawing - />IBM Atoms - Courtesy of IBM Research Division
/>Nanofactory - />Graphite/Diamond - />Environment - />Patrollers - />Mike's Fav. Pic - />Nanogear - />Mystery - />Blood video - />Blood still - />Nanomotor video/still - />Garbled molecules - />IBM Radio -
/>Bearing - />Debate - />Yugoslavia - />Kosovo -