What is the nanotechnology History applications of nanotechnology Conclusion.
Nanotechnology
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Garns | Nanotechnology
Nanotechnology
Thinking big about very very small things
Rudy GarnsNorthern Kentucky University
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Garns | Nanotechnology
Scientists
Scientists: empirical research and discovery of facts about nature
Philosophers: forecasting and evaluating the implications
Informed imagination
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Garns | Nanotechnology
Philosophers
Scientists: empirical research and discovery of facts about nature
Philosophers: forecasting and evaluating the implications
Informed imagination
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Garns | Nanotechnology
Scientists and Philosophers
Scientists: empirical research and discovery of facts about nature
Philosophers: forecasting and evaluating the implications
Informed imagination
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Garns | Nanotechnology
How Tall Are You?
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Garns | Nanotechnology
How Tall Are You?
Someone who is five feet tall is
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Garns | Nanotechnology
How Tall Are You?
Someone who is five feet tall is
.00095 miles tall (~1/1000)
• 1 mile = 5280 feet
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Garns | Nanotechnology
How Tall Are You?
Someone who is five feet tall is
.00095 miles tall (~1/1000)
• 1 mile = 5280 feet
• 1 light year = ~ 6 trillion miles
• Proxima Centauri is ~4.2 light years away
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Garns | Nanotechnology
How Tall Are You?
Someone who is five feet tall is
.00095 miles tall (~1/1000)
• 1 mile = 5280 feet
.00000000000000016 light years tall
• 1 light year = ~ 6 trillion miles
Proxima Centauri is ~4.2 light years away
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Garns | Nanotechnology
Cells and DNA
The average human body = ~10-100 trillion cells
Nearly every cell contains DNA; 4 nm wide and uncoiled ~2-3 m long
All DNA in all cells = ~70 trips to sun and back
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Garns | Nanotechnology
Cells and DNA
The average human body = ~10-100 trillion cells
Nearly every cell contains DNA; 4 nm wide and uncoiled ~2-3 m long
All DNA in all cells = ~70 trips to sun and back
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Garns | Nanotechnology
Cells and DNA
The average human body = ~10-100 trillion cells
Nearly every cell contains DNA; 4 nm wide and uncoiled ~2-3 m long
All DNA in all cells = ~70 trips to sun and back
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Garns | Nanotechnology
Cells and DNA
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If Legos Were the Size of Atoms
‣The advantages of working at the nanoscale
Greater control and flexibility building from the ground up
Special properties at the nanoscale
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If Legos Were the Size of Atoms
‣Increase flexibility and control but...
How many would you need?
How would you see them?
How would you work with them?
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Garns | Nanotechnology
If Legos Were the Size of Atoms
‣Increase flexibility and control but...
How many would you need?
How would you see them?
How would you work with them?
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Atoms
‣One strand of hair:•80,000 nm wide
•48,000,000,000,000,000,000 atoms
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Atoms
‣One strand of hair:•80,000 nm wide
•48,000,000,000,000,000,000 atoms
‣How could we see them?
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Looking at the Nanoscale
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Garns | Nanotechnology
Looking at the Nanoscale
Scanning Tunneling Microscope
Atomic Force Microscope
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Looking at the Nanoscale
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Looking at the Nanoscale
But how could we work with
them?
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Looking at the Nanoscale
But how could we work with
them?Clue: Our bodies/cells work with nanoscale molecules and
atoms
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Garns | Nanotechnology
Looking at the Nanoscale
But how could we work with
them?Clue: Our bodies/cells work with nanoscale molecules and
atoms
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Garns | Nanotechnology
Nano Factories
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Nano Factories
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Nano-motor
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Nano-motor
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Nanotubes
Carbon nanotubes
VERY strong
VERY light weight
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What Can Nanotechnology Do For Us?
‣Cosmetics
‣Dentistry
‣Medicine/Health
‣Clothes
‣Cars
‣Smaller, faster, more powerful computers
‣Smart MaterialsPaint
Cloth
Furniture
‣Military Equipment
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Nanotechnology Today
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Nanotechnology Tomorrow
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Cosmetics: Hair
Change your hair color
“Cure” baldness and remove unwanted hair
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No More Dentist?
•Clean teeth
•Freshen Breath
•Prevent Gum disease
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Biomedical
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Biomedical
Dendrimers carry chemicals to the brain through
the blood-brain barrier
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Garns | Nanotechnology
Biomedical
Dendrimers carry chemicals to the brain through the blood-brain
barrier
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Nano Cars
VW Nanospyder
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Nano Cars
Accura FCX 2020 Le Mans
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Are There Dangers?
‣What we don’t know
Health risks
Environmental risks
Security/Privacy
‣Self-replicators
Gray goo
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Informed Imagination
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Garns | Nanotechnology
Thank you.