Scientists Make Magnetic Silicon, Advancing Spin Based Computing

CNSE spintronics lab research shows silicon can maintain a permanent magnetic field above room temperature, which could help to develop more effective magnetic semiconductors and future spintronic devices

Scientists at the College of Nanoscale Science and Engineering at the University at Albany announced research that could lay the foundation for using silicon to develop chips with magnetic properties, potentially impacting the development of electron-spin-based or “spintronic” devices.mage: Ferromagnetic hysteresis loops taken at three temperatures measured from the Mn implated Si.
mage: Ferromagnetic hysteresis loops taken at three temperatures measured from the Mn implated Si.

Self-assembled Nano-sized Probes Allow To See Tumors Through Flesh And Skin

Nano-sized particles embedded with bright, light-emitting molecules have enabled researchers to visualize a tumor more than one centimeter below the skin surface using only infrared light.

A team of chemists, bioengineers and medical researchers based at the University of Pennsylvania and the University of Minnesota has lodged fluorescent materials called porphyrins within the surface of a polymersome, a cell-like vesicle, to image a tumor within a living rodent. Their findings, which represent a proof of principle for the use of emissive polymersomes to target and visualize tumors, appear in the Feb. 7 online early edition of the Proceedings of the National Academy of Science.

Scientists Unlock Secrets Behind Nanotube Formation

Nanotubes are ubiquitous in the world of science. Although several methods for making them exist, little is known about how these techniques physically produce the hollow fibers of carbon molecules known as nanotubes, that is until now. A multinational team of scientists has discovered that multi-walled carbon nanotubes made by the pure carbon arc method are, in fact, carbon crystals that form inside drops of glass-coated liquid carbon.

Small science to be big in 2005

According to this BBC News article (Jan 20, 2005) Nanotechnology” will be a much more familiar word to everyone in 2005, not just scientists, say analysts

Nanotechnologies involve the manipulation of structures at the molecular scale and can change the behaviour of materials. It has been slowly moving into sun creams, drug delivery and computer disk drives to improve storage. But it will soon be the cornerstone of every manufacturing industry says a Deloitte research trends report.

Read rest of the article at : http://news.bbc.co.uk/1/hi/sci/tech/4187813.stm

Some uses for Nanotech:
SOME POTENTIAL USES OF NANOTECHNOLOG
1 – Organic Light Emitting Diodes (OLEDs) for displays
2 – Photovoltaic film that converts light into electricity
3 – Scratch-proof coated windows that clean themselves with UV
4 – Fabrics coated to resist stains and control temperature
5 – Intelligent clothing measures pulse and respiration
6 – Bucky-tubeframe is light but very strong
7 – Hip-joint made from biocompatible materials
8 – Nano-particle paint to prevent corrosion
9 – Thermo-chromic glass to regulate light
10 – Magnetic layers for compact data memory
11 – Carbon nanotube fuel cells to power electronics and vehicles
12 – Nano-engineered cochlear implant

Nanotech device touted to replace transistors in computers

U.S. scientists have developed a layer of molecules just three-billionths of a meter thick that can help store data during a computing operation without using traditional semiconductors and some day could replace the transistor as the building block of all computers.

The technology could produce computers that are thousands of times more powerful than those produced today, Hewlett Packard researchers say in a paper published Tuesday in the Journal of Applied Physics.

Nanotech: Big things in small packages

Forty-five years ago, Nobel Prize-winning physicist Richard Feynman proposed a future world in which computers might be reduced radically from the giant room-sized machines of that era and in which atoms could be rearranged and ordered one by one according to our wishes. This future anticipated by Feynman in 1959 is now upon us.

Today’s laptop computers provide far more computational power, storage capacity and speed than was ever achieved by the enormous contraptions of yesteryear. And advances in nanotechnology are taking us to the brink of a world in which systems can be designed and developed at the molecular level.