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The science of the very small has big military, economic and security implications for the future. From molecular manufacturing to incredibly smart chemical weapons, the raw materials and ultimate paraphernalia that nanotechnology will enable boggle the imagination of even science fiction aficionados. However, experts who scrutinize the science and significance of nanoscale devices differ on how this kind technology will affect future generations as well as on what should be done today to keep the United States out front in this field.

The day may not be far off when microscopic machines embed a phone in an individual biological cell, decode a human genome or sniff scents with the acuity of the best-trained bloodhound.

Researchers have discovered a class of nanoscale devices that can self-assemble when exposed to light. These sub-microscopic structures may provide new methods for manufacturing electronic components such as photonic devices and memory storage systems for computers. Another potential application for the technology is in splitting water molecules to generate hydrogen for use as fuel.

The People's Liberation Army Navy recently introduced two domestically designed and built guided missile destroyers that include Aegis-type radars and related technologies. Known as Project 052C guided missile destroyers (DDGs), the ships feature Aegis-type phased array panels, vertical launch systems, long-range missiles and considerable command and control. These capabilities were not found on any previous Chinese-built DDGs.

The combatant command in charge of U.S. homeland defense is in the midst of creating a one-stop cyber shop for information. The initiative supports a trusted information exchange by laying the foundation of an emergency event management framework. Developers contend that the tool will proffer the data and knowledge that commanders, agency leaders and law enforcement personnel need to make appropriate decisions during a crisis, and it ultimately will capture the decision-making process so it can be reviewed after the event has ended.

If his eyesight had not failed him, Scott Dixon Smith might never have embarked on a career in technology, let alone one supplying visualization software to corporations and federal agencies. In fact, even before he entered college on a tennis scholarship, Smith already had charted a completely different course.

A high-resolution global elevation map soon will allow warfighters to develop and use a variety of navigation, communications and engineering applications. Twice as accurate as previous geographic data systems, it can generate detailed topographies of 80 percent of the planet's surface, government scientists say.

The emerging technology that will have the greatest impact on Sandia National Laboratories, a National Nuclear Security Administration lab, reflects the shift toward an increased reliance on supercomputers and their validated numerical simulations to model the nuclear stockpile. Computer simulations will revolutionize the laboratories' microelectronic and nanoscale contributions to engineering and national security. Simulations help researchers work faster and more accurately.

When people look at the ongoing force transformation, they probably see investments in technology changing the way that the military services are equipped. The goal is for the military to be better prepared to fight the nation's wars in the foreseeable future. This visage might translate to lighter, more agile forces; a more ground-centric military; or more automated and unmanned platforms-depending on the viewer's perspective.

The U.S. Navy is laying the keel of a human capital strategy that ultimately will make the service more robust and agile while simultaneously offering career opportunities unlike any seen in the past. Success of the initiative depends on the Navy's ability to integrate its active duty, reserve and civilian components; to create and catalog job descriptions; and to match sailors' knowledge, skills and abilities to the tasks at hand. The transformation is putting the Navy in a state of constant readiness to fight the war on terrorism, provide humanitarian aid, defend the homeland and support stability operations.