Nanotechnology
What is it ? Nanotechnology is a field of applied science which deals with controlling matter on a nanoscale Nanotechnology can measure from 1 – 100 nanometers It’s the study of manipulating matter nearly at the atomic scale. 1 nanometer is one billionth of meter 10-9m A cross section of a human hair is 100,000nm Au Mm
What is it? Nanotechnology follows the rules of Quantum Physics. In simple words, nanotechnology often contradicts common sense. Humans are incapable of teleporting from one side of a wall to the other, but on the nanoscale, it is possible for an electron to teleport. This process is called electron tunnelling.
How is it used? Carbon nanotubes – made of arrangement of carbon atoms Made from Carbon sheets Properties depend on how the sheet is rolled Nanowires- a tube with a diameter of one nanometer Used as transistor in computer chips and other electronic devices
Carbon tubes Depending on the way that the carbon tube is rolled, the behavior is also different. A certain pattern could cause something to be as strong as diamond, or as weak as graphite.
Video .. http://www.howstuffworks.com/nanotechnolog y.htm http://videos.howstuffworks.com/science/nanot echnology-videos-playlist.htm#video-30712
Nano Robots Nanorobotic – is the technology of creating robot to the scale of Microscopic scale of nanometers (10^-9).
Cancer Treatments? Cancerous cells can be killed without the use of painful chemotherapy Quantum Dots last much longer than conventional dyes Scientists may now be able to destroy tumours without damaging healthy cells Nanobots could destroy dangerous cells and can replicate to produce promote healthy division
Space Exploration Travelling to distant planets requires 100,000’s of years of travel Impractical if humans travelled Difficult for single robots to explore With nanotechnology, mechanical replication would be made possible Armies of robots could explore the nebulas
Nano Foods? Preservation of food without refrigeration Protection of food from diseases
Impact On Everyday Life Is the second greatest impact, trailing only to genetic engineering
Other Applications Now nanotechnology is still an advancing science. What we learnt in grade 12 physics about quantum mechanics plays a huge role in working with nanotechnology New types of water proof jackets Nano sized wires which would help make very tiny microprocessors
Application Medicine Tissue Engineering Aerospace ( stronger material ) http://www.forbes.com/2003/12/29/cz_jw_1229soapbox.html (for more already made products of nanotechnology)