NANOone-billionth of a meter

10−9 meters

“There’s plenty of room at the bottom”

Richard P. Feynman

1959

How can we see nano?scanning tunneling & atomic force microscopes

Volume vs Surface

Special properties of nano

Conducting electricity or heat

Change colors or reflect light better

Stained glassControlled heating and cooling

Top downBULK MATERIAL

Bottom upINDIVIDUAL ATOMS

NANOROBOTS0.1–10 micrometers

Killing cancer

Killing healthyCELLSWITHOUT

Nanobot rebuilding the neuron

Tooth repair

“ By the year 2015 the annual global market for nano-related goods and services will top $3 TRILLION ”

Raj Bawa, PhD

Green technology

0 waste

2020s

Text

begin to appear in clinical treatment

Robert A. Freitas

Grey GooEric Drexler, 1986

“ I wish I had never used the term ‘Grey Goo’ ’’Eric Drexler, 2004

Fear&

Governance

“ We must do more thinking up front if we are not to be similarly surprised and shocked by the consequences of our inventions. ”

Bill Joy, founder of Sun microsystems

Bright future

Beginning of the end

OR