Home » Archive

Latest Green Tech Cool, Reviews, Awesome

Read new discoveries and inventions, in our Green Tech section.

Green Tech »

[24 Sep 2009 | One Comment | ]
Free Widgets for your PC can Save Energy

Technology.am (Sept. 24, 2009) — A little software gadget developed by Hewlett-Packard as part of a campaign called Power to Change.
Since June, HP has offered free downloads of its energy widget from its Web site. The small program runs on a desktop and a pop-up encourages users to turn off their computers when the computers are idle for long stretches of time. It also tells them how much energy they’ve saved collectively, as reported by users in regular updates.
HP looks for four-hour blocks when a computer is turned off, and …

Green Tech »

[22 Sep 2009 | No Comment | ]
Carbon Nanotubes used as springs, could provide big power

Technology.am (Sept. 22, 2009) — MIT scientists suggests that carbon nanotubes could be formed into tiny springs capable of storing as much energy, pound for pound, as state-of-the-art lithium-ion batteries, and potentially more durably and reliably.
Carbon nanotube springs, tube-shaped molecules of pure carbon, can potentially store more than a thousand times more energy for their weight than steel springs, according to Carol Livermore, associate professor of mechanical engineering.
The analysis shows the carbon nanotube springs could ultimately have an energy density a measure of the amount of energy that can …

Green Tech »

[21 Sep 2009 | No Comment | ]
NREL Team Tests Higher Ethanol Fuel Mix

Technology.am (Sept. 21, 2009) — Researchers have demonstrated that the traditional fuel blended with increased levels of ethanol will be good for the environment and economy without hurting cars and small engines. They showed that as ethanol increased, tailpipe emissions stayed largely the same.
Researchers at National Renewable Energy Laboratory (NREL)’s are trying to find out because new ethanol blends could play a starring role in reducing petroleum use.
“We’re pushed right now to find ways to get more ethanol into the fuel stream,” said Keith Knoll, senior project …

Green Tech »

[17 Sep 2009 | No Comment | ]
Green Tea may also benefit bone health

Technology.am (Sept. 17, 2009) — Many scientific studies have linked tea to beneficial effects in preventing cancer, heart disease, and other conditions.
Recent studies by Hong Kong researchers report that green tea may help improve bone health. They found that the tea contains a group of chemicals that can stimulate bone formation.
The beverage has the potential to help in the prevention and treatment of osteoporosis and other bone diseases.
The scientists exposed a group of cultured bone-forming cells (osteoblasts) to three major green tea components — epigallocatechin (EGC), gallocatechin …

Green Tech »

[16 Sep 2009 | No Comment | ]
Japanese to develop $21 billion Solar Array in Space to Power 300,000 homes

Technology.am (Sept. 16, 2009) — The Japanese are preparing to develop a 2 trillion yen ($21 billion) space solar project that will beam electricity from space to around 300,000 homes in Japan within three decades.
The planned solar station will produce 1 GW of electricity from its four square km array of solar panels in the heavens, which is enough to power just under 300,000 Tokyo homes. Since the array will be in orbit some 36,000 km above the earth’s surface, it will be unaffected by weather conditions. …

Green Tech »

[14 Sep 2009 | No Comment | ]
Lowering sodium consumption could save US $18 billion annually in health costs

Technology.am (Sept. 14, 2009) — Reducing Americans’ average intake of sodium could save the nation as much as $18 billion annually in avoided health care costs and improve the quality of life for millions of people, according to a new RAND Corporation study.
The study estimates that meeting national sodium guidelines could eliminate 11 million cases of high blood pressure nationally and extend the lives of thousands of people each year.
The monetary value of the improved quality of life would be an estimated $32 billion annually. …

Green Tech »

[14 Sep 2009 | No Comment | ]
Impacts of Nanomaterials on Human Health and Environment

Technology.am (Sept. 14, 2009) — Researchers from the Center for the Environmental Implications of Nano Technology (CEINT), based at Duke University, argues for a new look at the way nanoparticles are selected when studying the potential impacts on human health and the environment.
They have found that while many small particles are considered to be “nano,” these materials often do not meet full definition of having special properties that make them different from conventional materials.
A particle is deemed nano if its diameter is between 1 and …

Green Tech »

[12 Sep 2009 | No Comment | ]
Google to develop New Mirror for Low-cost Solar Power

Technology.am (Sept. 12, 2009) — Google Inc plans to develop its own new mirror technology that could reduce the cost of building solar thermal plants by 25 percent and making more affordable for widespread commercial and utility use.
Google wants to make a very unusual material for the mirrors both for the reflective surface as well as the substrate that the mirror is mounted on.
Google wants to cut the cost of making heliostats, the fields of mirrors that have to track the sun, by at least a factor of two to …

Green Tech »

[12 Sep 2009 | No Comment | ]
University of Washington Scientists Draw Electricity from Trees

Technology.am (Sept.12, 2009) — University of Washington (UW) researchers have discovered a new source of electricity by trees.
This study is a follow up of MIT last year’s study that plants generate a voltage of up to 200 millivolts.
Now researchers used nails on the trees and connected a voltmeter to find that big leaf maples generate a steady voltage of up to a few hundred millivolts.
The team then developed a boost converter that takes a low incoming voltage and stores it to produce a …