Jul 02
queenieelectronics, laptop, laptop battery netbook, samsung, Samsung NC215, solar
Netbook Solar-Powered: Samsung NC215
The company Samsung will launch the first Netbook solar. The novelty of this Acer BTP-58A1 battery laptop is as mentioned, will work with solar energy. It is contemplated that the market introduction of the NC215 Netbook is the month of July next. In addition to this work run the notebook with operating system Windows starter . For the laptop is contemplating a run of 14.5 hours of work with solar energy , this unique model of its kind will have solar cells on the structure of the computer, confirms the Korean company responsible for the design of this device.
The NC215 works with an Intel Core i5-2410M, RAM and 6GB DDR3 video card Nvidia GT520 1GB DDR3, which allows users to convert all sorts of photos and home videos into works of art, see high-definition video, using the latest video games and run different programs at an incredible speed. It also uses the NVIDIA Optimus with extending the duration of the Apple A1079 battery to automatically switch to using Intel internal graphics card for basic applications that require large graphics processing.
Taking into account the period of exposure to the sun for recharging the Apple Macbook Pro battery, is 2 hours of operation. The production model is thought to benefit the African continent, since it has large tracts of land with no electricity, as well as Africa is considered as a possible customer to Russia. These features will work with the model are taken into account as you get optimum performance, but the really valuable your solar operation, which is an inexhaustible resource to date and clean, also reduce emissions of pollutants into the atmosphere thereby helping the planet .
The features of the Samsumg NC215:
*10.1-inch screen.
*Resolution 1024 by 600 pixels
*Compaq Presario CQ50 battery
*Intel Atom N750 Dual Core 1.6 GHz working
*Hard disk with 250 GB capacity
*1 GB RAM
* 1.3 pounds.
Jul 02
Janbusiness news Biofuels, energy, Environment, Hydrogen, solar, Transportation, Wind
Energy-Recycling Artificial Foot
It should come as no great surprise that walking with a prosthetic limb is difficult. According to a newly published paper on prosthesis, walking with a prosthetic foot requires 23 percent more energy than walking naturally. This is because a natural gait returns and recycles energy in an efficient way lenovo thinkpad x61s battery, but a prosthetic limb wastes energy with each step. Scientists Art Kuo and Steve Collins have created an artificial foot that significantly reduces the amount of energy spent used with each step.
Art Kuo is a professor of Mechanical Engineering and Biomedical Engineering at the University of Michigan. Collins has an associate research fellowship at the Delft University of Technology. Together, they have developed an artificial foot that more closely mimics a natural human walking gait.
Normal human walking wastes energy when lenovo ideapad y430 battery each foot collides with the ground. However, in humans with functioning limbs, the ankle will exert force on the ground and make up for this loss of energy. Without an ankle to produce an external force, humans with prosthetic limbs waste energy with each step, and therefore must exert themselves more to walk.
In the Kuo-Collins artificial foot, the energy-recycling foot captures this wasted energy and puts it to use by mimicking the energy of pushing off the ankle. Using a mini-controller, the prosthetic foot captures the dissipated energy of each step and is able to give back the energy at the appropriate time. In a controlled experiment with non-amputee, dual-limbed, volunteers wearing either a sturdy gait-constricting boot or a prosthetic simulator, the research subjects only exerted fourteen percent more energy wearing the artificial foot than they exerted during normal walking. This means that the energy-saving foot reduces wasted energy by 9 percent, which may seem insignificant, but surely seems helpful to amputees.
This idea of reducing the energy loss associated with wearing a prosthetic foot is not new. However, older attempts at this type of energy return required internal motors and batteries. The artificial foot uses existing energy that would normally be wasted, and therefore only needs a small amount of electricity, about 1 Watt, which can be easily produced by a tiny battery.
The paper, published in the scientific journal PLoS ONE on February 17th, details the experiment, which was funded by the National Institutes of Health and the Dept. of Veterans Affairs. Researchers are currently testing the energy-recycling artificial foot at the Veterans Affairs Medical Center in Seattle Toshiba PA3534U-1BRS battery, Washington. Both Kuo and Collins hope that this new prosthetic foot is a step in making walking with an artificial limb as natural as walking with flesh and bone.
Jun 16
adminBattery News energy, solar
Okay, we all know it’s a good choice, but why?
Here we discuss Facts about solar energy usage, systems, plus sun related and other Interesting Facts about Solar Energy.
All of which will help you with your decision whether or not to install a solar energy system at your home.
Perhaps you’d even like to save yourself a lot of money and Build your very own solar energy system.
General facts
- Solar Energy is better for the environment than traditional forms of energy.
- Solar energy has many uses such as electricity production and heating of water through photovoltaic cells and directly for drying clothes.
- Solar energy can also be used to heat swimming pools, power cars, for attic fans, calculators and other small appliances. It produces lighting for indoors or outdoors.
- You can even cook food with solar energy.
- Solar Energy is becoming more and more popular. The worldwide demand for Solar Energy is currently greater than supply.
Facts about Solar Energy usage:
- Solar Energy is measured in kilowatt-hour. 1 kilowatt = 1000 watts.
- 1 kilowatt-hour (kWh) = the amount of electricity required to burn a 100 watt light bulb for 10 hours.
- According to the US Department of Energy, an average American household used approximately 866-kilowatt hours per month in 1999 costing them $70.68.
- About 30% of our total energy consumption is used to heat water.
Facts about Solar Energy systems:
- A home solar system is typically made up of solar panels, an inverter, a solar battery, a Solar charger controller, wiring and support structure.
- A 1-kilowatt home solar system takes about 1-2 days to install and costs around US$10,000, but can vary greatly and does not take into account any incentives offered by the government.
- A 1-kilowatt home solar system consists of about 10-12 solar panels and requires about 100 square feet of installation area.
- A 1 kilowatt home solar system will generate approximately 1,600 kilowatt hours per year in a sunny climate (receiving 5.5 hours of sunshine per day) and approximately 750 kilowatt hours per year in a cloudy climate (receiving 2.5 hours of sunshine per day).
- A 1-kilowatt home solar system will prevent approximately 170 lbs. of coal from being burned, 300 lbs of CO2 from being released into the atmosphere and 105 gallons of water from being consumed each month!
- About 40 solar cells are usually combined into a solar panel and around 10-12 panels mounted in an array facing due North to receive maximum sunlight.
- The system usually comes with a 5-year warranty, although the solar panels are warranted for 20.
- Relying on the battery back up, a solar energy system can provide electricity 24×7, even on cloudy days and at night.
- Solar panels come in various colours.
- Solar energy can be collected and stored in batteries, reflected, insulated, absorbed and transmitted.
Sun related Facts about Solar Energy:
- Sunlight travels to the earth in approximately 8 minutes from 93,000,000 miles away, at 186,282 miles per second.
- The sun is also the main source of non-renewable fossil fuels (coal, gas and petroleum), which began life as plants or animals whose energy came from the sun millions of year ago.
- Solar energy is responsible for weather patterns and ocean currents.
- Clouds, pollution and wind can prevent the sun’s rays from reaching the earth.
Other Interesting Facts about Solar Energy:
- Da Vinci predicted a solar industrialization as far back as 1447.
- In one hour more sunlight falls on the earth than what is used by the entire population in one year.
- A world record was set in 1990 when a solar powered aircraft flew 4060km across the USA, using no fuel.
- Fierce weather cost the world a record $130 Billion in the first eleven months of 1998- more money than was lost from weather related disasters from 1980 to 1990 ($82 Billion).
- Researchers from the Worldwatch Institute and Munich Re blame deforestation and climate change from Earth warming for much of the loss. The previous one-year record was $90 Billion in 1996. Source – Associated Press, November 28,1998.
- About 2 billion people in the world are currently without electricity.
- Accounting for only 5 percent of the world’s population, Americans consume 26 percent of the world’s energy.
- Electric ovens consume the most amount of electricity, followed by microwaves and central air conditioning.
- Third world countries with an abundance of sunlight and a population currently without electricity, represents the fastest growing market for solar energy, with the largest domestic market being the utilities sector.
- Shell Oil predicts that 50% of the world’s energy will come from renewable sources by 2040.
May 21
adminBattery News, Battery technology, Digital camera review, laptop, laptop battery, notebook review, tips business, cost, economy, fuel, solar
A UK alpha up that promises to decidedly abate the amount of ammunition corpuscle technologies by replacing big-ticket platinum apparatus with a aqueous developed from detergents is set to bear a bartering cycle out of its technology by 2012, afterwards accepting ¡ê3.5m of new funding.
ACAL Energy has developed a atypical FlowCath technology, which replaces the platinum cathode about acclimated in abounding ammunition corpuscle designs with a aqueous regenerating agitator system. The close was co-founded in 2004 by above Unilever scientist Andrew Creeth, who developed the abstraction while alive with detergents.
The latest investment annular was led by Carbon Trust adventure basic arm, CT Investments, alongside Solvay SA, Porton Capital, and a arch Japanese automotive close that beneath to be named.
CT Investment accomplice Jonathan Bryers told BusinessGreen.com that the admittance of the abstruseness Japanese car close in the investment annular was a absolute assurance for ACAL Energy that accent the actuality automotive firms still admired next bearing ammunition corpuscle technologies as a applicable amateur to electric vehicles.
The ¡ê3.5m investment is accepted to advance the development of FlowCath ammunition beef in adjustment that ACAL can commercially arrange its ammunition corpuscle batteries aural the next 18 months.The Carbon Trust estimates that if the amount of ammunition beef were cut by at atomic a third, the UK polymer ammunition corpuscle bazaar abandoned could accomplish $19bn a year as allotment of a all-around industry woth $180bn by 2050.
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