Die Another Day

I-Robots

Star trek

Die Another Day

Terminato r

As engineers it makes us think do they have any truth? Is there any way in which we can make this Science Fiction a science reality? Is there any means that can help us achieve our dream?

So lets know about this technology.

Sir Richard Feynman In his lecture called "There's plenty of Room at the Bottom” talked about developing the ability to manipulate individual atoms and molecules to develop precise tools at the needed scale, thus giving rise to conceptual underpinnings of Nanotechnology in 1959.

K. Eric Drexler In 1986, K. Eric Drexler wrote "Engines of Creation" and introduced the term nanotechnology as design, characterization, production and application of structures, devices and systems by controlling shape and size at nanometer scale.

Principal factors which causing the property of Nano-materials to differ are Increased relative surface area. Quantum effect.

STEEL BAR

FAILURE OF STEEL BAR

Nano-Wires and Carbon Nanotubes •With the right arrangement

of atoms, you can create a carbon Nano-tube. • It is hundreds of times stronger than steel, but six times lighter [source: The Ecologist]. • Engineers plan to make building material out of carbon Nano-tubes, particularly for things like cars and airplanes. •Lighter vehicles would mean better fuel efficiency, and the added strength translates to increased passenger safety.

NanoComposites An important use of Nanoparticles and Nano-tubes is in composites, materials that combine one or more separate components and which are designed to exhibit overall the best properties of each component. A particular type of Nanocomposite is where Nanoparticles act as fillers in a matrix; for example, carbon black used as a filler to reinforce car tyres.

Coatings and Surfaces •Coatings with thickness

controlled at the Nano or atomic scale have been in routine production for some time. •Recently developed applications include the selfcleaning window, which is coated in highly activated titanium dioxide, engineered to be highly hydrophobic (water repellent). • Wear and scratch-resistant hard coatings are significantly improved by Nano-scale intermediate layers between the hard outer layer and the substrate material.

Lubricants •Nano-spheres of inorganic

materials could be used as lubricants, in essence by acting as Nano-sized ‘ball bearings’. •The controlled shape is claimed to make them more durable than conventional solid lubricants and wear additives. •It is also claimed that these Nano-particles reduce friction between metal surfaces, particularly at high normal loads or even if the metal surfaces are not highly smooth

Military Battle Suits •Latest army technology uses

a fluid called Shear thickening fluid in their body armors. • This fluid thickens when sudden load is applied to it. •This fluid helps the body armor to absorb more impact and does not allow the fabric to stretch more thus stopping bullet from penetrating. •The common example of such a fluid is our CORNFLOUR Paste, it also shows shear thickening property to some extent.

There are basically two types of nanomanufacturing Bottoms up Top down

Need to learn more about materials and their

properties at the Nano-scale. Quantum mechanics. Electron tunneling. Less Knowledge of Properties at Nano-Scale.

Assemblers and Replicators Construct complex

product automatically. Replace traditional labors. Eventually replicate diamonds, water and food.

Nano-robots Repairing of ozone

layers. Cleaning up of seas in case of oil spills. Repair cancerous cells.

Making invisibility possible. Nanotechnology

could make the dream of invisibility possible.

Health Hazard’s. Nano-Materials

could be toxic Being very small they can pass the blood brain barrier. Many Nonmaterial's could cause ailments like Lung fibroses.

Horrifying future Eric Drexler, presented a frightening apocalyptic vision. Grey Goo scenario Green Goo scenario Weapons of mass destruction