Nanotechnology has enormous job growth potential. According to a recent survey by the National Science …
Nanotechnology has enormous job growth potential. According to a recent survey by the National Science Foundation, by 2015 the need for technology professionals working in Nanotechnology will increase to 800,000 employers in the US and more than 2 million worldwide. Learn more about the rapidly emerging field of Nanotechnology at VCU in this Science Matters video.
The microscopic world is full of phenomena very different from what we …
The microscopic world is full of phenomena very different from what we see in everyday life. Some of those phenomena can only be explained using quantum mechanics. This activity introduces basic quantum mechanics concepts about electrons that are essential to understanding modern and future technology, especially nanotechnology. Start by exploring probability distribution, then discover the behavior of electrons with a series of simulations.
In this activity, students interact with 12 models to observe emergent phenomena …
In this activity, students interact with 12 models to observe emergent phenomena as molecules assemble themselves. Investigate the factors that are important to self-assembly, including shape and polarity. Try to assemble a monolayer by "pushing" the molecules to the substrate (it's not easy!). Rotate complex molecules to view their structure. Finally, create your own nanostructures by selecting molecules, adding charges to them, and observing the results of self-assembly.
Delve into a microscopic world working with models that show how electron …
Delve into a microscopic world working with models that show how electron waves can tunnel through certain types of barriers. Learn about the novel devices and apparatuses that have been invented using this concept. Discover how tunneling makes it possible for computers to run faster and for scientists to look more deeply into the microscopic world.
Use a virtual scanning tunneling microscope (STM) to observe electron behavior in …
Use a virtual scanning tunneling microscope (STM) to observe electron behavior in an atomic-scale world. Walk through the principles of this technology step-by-step. First learn how the STM works. Then try it yourself! Use a virtual STM to manipulate individual atoms by scanning for, picking up, and moving electrons. Finally, explore the advantages and disadvantages of the two modes of an STM: the constant-height mode and the constant-current mode.
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