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Beyond Transistor Scaling: New Devices for Ultra-low-energy Information Processing Tsu-Jae King Liu [Professor of Electrical Engineering and Computer Sciences, UC Berkeley] Abstract: The rapid growth of the semiconductor industry over the past four decades was enabled by the steady miniaturization of the transistor with each new generation of CMOS technology, which provided for continual improvements in integrated-circuit performance and cost per function. Transistor scaling has slowed recently, however, due to fundamental limits leading to increases in power density. In this seminar, I will discuss alternative switching device designs that can potentially overcome the energy-efficiency limitations of CMOS technology to help usher in the Age of Ubiquitous Computing. Biography: Tsu-Jae King Liu received the BS, MS and Ph.D. degrees in Electrical Engineering from Stanford University. She joined the Xerox Palo Alto Research Center as a Member of Research Staff in 1992, to research and develop polycrystalline-silicon thin-film transistor technologies for flat-panel display applications. In August 1996 she joined the faculty of the University of California at Berkeley, where she is now Professor of Electrical Engineering and Computer Sciences (EECS) and Associate Dean for Research in the College of Engineering. Her awards include the Ross M. Tucker AIME Electronics Materials Award (1992) for seminal work in polycrystalline silicon-germanium thin films, an NSF CAREER Award …
Electricity these days can be extremely expensive. Whether it is gas, oil or electric heating, in the wintertime costs can skyrocket to exorbitant prices to keep up with supply and demand. Read on to learn how twind poweryour electric bill with solar and wind powered systems.
Many people cannot afford to keep paying these prices and sometimes cannot afford to even heat their home at all, forgoing food or basic necessities to pay their heating bill.
Solar energy pays for itself in a few years. It is costly to put in, depending on how many you need, with prices ranging anywhere from a few hundred dollars to thousands, but after it is installed you will never have to pay a heating bill again.
Solar panels involve the intricate building and installing of panels onto the roof or side of your home. Solar panels can be built as a do it yourself project, but it takes time and practice before you will be good enough to build large panels for a roof.
Solar panels are made from photovoltaics, which conducts the suns photon rays. The photovoltaic cell is made from semiconductors which conducts a flow of electrons. This can then be used to power things.
Wind turbines collect kinetic energy from wind and then convert it to energy. It can lower an electric bill by fifty to even ninety percent. They are more suitable for homes with property of around an acre so there is room to install the turbine. It is not unusual for homes with wind generated electricity to have a bill of only $20 or less per month.
If you are a candidate for either of these systems and have money upfront to pay for installation, both methods will save you much more money in the long run
Purchasing windmill turbines can be very costly if you are looking for the best way to save on electric bills for your home. These sophisticated energy devices has the ability to turn the power of the wind to electrical energy. This is very much efficient when it comes to producing energy to be used for household purposes. However, thinking of the total cost of buying one can make you hesitate on installing this effective energy resource for your home.
To eliminate your worries about the cost of having a wind generator on your home, you can make a windmill on your own. Nowadays, anyone can easily create a home wind generator with the use of affordable building materials. The efficiency of these homemade devices is very much comparable to the energy output of the expensive prototypes available on the market. Aside from being cost effective, you can even make a custom build for the device to compliment the design of your home.
More and more people are convinced to build their own wind generator devices mainly because commercial energy systems are very expensive. Building one on your home can easily help you save money on the electricity bills you receive monthly. These low cost but high quality energy devices should always be considered when it comes to choosing the most effective alternative source of energy. The mere fact that it uses renewable energy to produce electricity makes it very favorable for household who want to reduce their expenses on energy bills.
The cost of building a wind generator on your own can be effectively reduced by using alternative materials that have comparable quality as the commercial one. For example, you can use PVC pipes in place of the propeller blades. These are strong enough and at the same time very easy to use for your project. Since PVC material is lightweight, it can be very suitable in making wind generator blades. Hardware outlets sell these types of materials at affordable prices.
Making your own wind generator would allow you to integrate some personal touches on the design and structure of the windmill. You may want to synchronize it with the current appearance of your home. Aside from being highly customizable, the simple procedures in building one would surely benefit you during the installation. You do not have to be especially skilled in order to create one. You only need to follow several technical instructions in setting up the device properly.
If you have difficulty trying to figure out when to start your windmill project, you may easily find instructional materials on the Internet as well as guide books on your local bookstore. Most of these helpful building guides can easily help you with the technical terms involved within the construction procedures. In less than two weeks, you will have to use free electricity courtesy of your homemade wind generator device.