spread - new underground art + literature
Subscribe + Spread the Love | Log in

“green energy” Toggle Comment Threads | Keyboard Shortcuts

  • Spread @1:24AM, 2015-08-31
    Tags: green energy, , , solar sunflower,   

    Solar Sunflower harnesses 5,000 suns 

    IMG_5485-front-view-1500px-980x653

    High on a hill was a lonely sunflower. Not a normal sunflower, mind you; that would hardly be very notable. This sunflower is a solar sunflower that combines both photovoltaic solar power and concentrated solar thermal power in one neat, aesthetic package that has a massive total efficiency of around 80 percent.

    The Solar Sunflower, a Swiss invention developed by Airlight Energy, Dsolar (a subsidiary of Airlight), and IBM Research in Zurich, uses something called HCPVT to generate electricity and hot water from solar power. HCPVT is a clumsy acronym that stands for “highly efficient concentrated photovoltaic/thermal.” In short, it has reflectors that concentrate the sun—”to about 5,000 suns.”

    Read the rest from Ars Technica

     
  • Titus Toledo @3:11AM, 2015-07-27
    Tags: , filipino, green energy, , ,   

    A lamp powered by salt water 

    salt1

    Via salt.ph:

    Add 1 glass of water and 2 tablespoons of salt, use the lamp for 8 hours.

    Cost Effective. There are over 7,000 islands in the Philippines and most of these islands do not have access to electricity. We want to eliminate the sustaining cost in areas that rely on kerosene/battery powered lamps and candles as their main source of lighting. And to provide a more efficient light source for people who use lamps and candles as an alternative source of lighting. Replace consumable every 6 months! Using SALt lamp 8 hours a day every day will give you an anode lifespan of 6 months. Use this as an alternative light source will prolong the life of your anode for more than a year.

    Watch the LEDs glow! Light your way with a lamp powered by saltwater.

    Safe. There are no materials and components inside the lamp that may cause fire accidents. One less thing to worry about for families that rely on kerosene lamps as their main source of lighting. This lamp uses the science behind the Galvanic cell, the basis for battery-making, changing the electrolytes to a non-toxic, saline solution — making the entire process safe and harmless.

    Charge your smartphones! For emergencies, you can charge your smartphone using this lamp. Just plug in your USB cable.

    Environmentally Friendly. According to a study conducted by the United Nations, The Philippines ranked 3rd as the most disaster prone country in the whole world. And in disaster situations such as super typhoons, earthquakes — a steady supply of food, drinking water and sustainable light source is very essential. The importance of the product in terms of short term usability and as a long term household staple can be attributed to how easy and common the elements needed to power the lamps are. It also does not emit harmful gasses and leaves minimal carbon footprint making it very environmentally friendly.

    You can also use the ocean water to power up your lamp!

    If you are living along the coastline, no need to create your saline solution, instead… use the ocean water to operate your lamp.
    Easy to Use. The salinity of ocean-water can operate your lamp. Use the ocean-water to power up your lamp and it will give you 8 hours of running-time. Salinity is expressed by the amount of salt found in 1,000 grams of water. The average ocean salinity is 35 parts per thousand. Store ocean-water in bottles and use them to power up you lamp anytime, anywhere.

    *here: salt.ph

     
  • Titus Toledo @6:22AM, 2015-07-14
    Tags: , green energy, petrol   

    Brewtroleum is beer-based fuel 

    DB Breweries, a New Zealand-based brewery has unveiled “Brewtroleum,” a product they are billing as the world’s first commercially-available biofuel made from a beer by-product.  And it’s available at gas stations on the island nation right now. “We’re helping Kiwis save the world by doing what they enjoy best – drinking beer,” said Sean O’Donnell, a company spokesman.

    Read the rest from FWx

     
  • Spread @3:55AM, 2015-06-28
    Tags: green energy, ,   

    Flowing salt water over graphene generates electricity 

    Hydroelectricity is one of the oldest techniques for generating electrical power, with over 150 countries using it as a source for renewable energy. Hydroelectric generators only work efficiently at large scales, though—scales large enough to interrupt river flow and possibly harm local ecosystems. And getting this sort of generation down to where it can power small devices isn’t realistic.

    In recent years, scientists have investigated generating electrical power using nano-structures. In particular, they have looked at generating electricity when ionic fluids—a liquid with charged ions in it—are pushed through a system with a pressure gradient. However, the ability to harvest the generated electricity has been limited because it requires a pressure gradient to drive ionic fluid through a small tube. But scientists have now found that dragging small droplets of salt water on strips of graphene generates electricity without the need for pressure gradients.

    Read the rest at Ars Technica

     
  • Spread @4:13AM, 2015-06-27
    Tags: green energy,   

    What if every window could tap the power of the sun 

    A Michigan State University research team has developed a transparent solar panel capable of capturing solar energy.

    Professor Richard Lunt, MSU assistant professor who headed the research, believes that the panel can be employed in a wide variety of settings.

    “It can be used on tall buildings with lots of windows or any kind of mobile device that demands high aesthetic quality like a phone or e-reader. Ultimately we want to make solar harvesting surfaces that you do not even know are there,” Lunt said in a MSU press release.

    Most solar panels capture visible spectrum light, which represents just a small segment of electromagnetic wave spectrum. The transparent luminescent solar concentrator (TLSC) doesn’t capture visible light, but non-visible ultraviolet waves are absorbed by the device.

    The concentrator then converts it into another colorless infrared wavelength and sends it to the edge of the concentrator, where photovoltaic solar cells convert light energy to electricity.

    Right now the TLSC is performing at around 1% efficiency, but the MSU team believes it can be optimized to around 5%. Currently, non-transparent luminescent concentrators perform can achieve 7% efficiency, at best.

     
  • Titus Toledo @7:06AM, 2015-06-23
    Tags: gravity, gravitylight, green energy, , ,   

    This is light powered by gravity 

    If you think this is cool, you can support the team behind GravityLight by backing their campaign at Indiegogo

     
  • Titus Toledo @7:31AM, 2015-01-08
    Tags: green energy, Wind Tree   

    Wind Tree 

    A French start-up says its Wind Tree is ideal for urban environments, harnessing the most gentle of winds to produce power through its micro-turbine leaves.

     
  • Titus Toledo @2:36AM, 2014-05-28
    Tags: green energy, ,   

    Solar Roadways to a greener future 

    Solar Roadways are solar panels that you can drive, park, and walk on. It is a modular paving system of solar panels that can withstand the heaviest of trucks (250,000 pounds).

    These Solar Road Panels can be installed on roads, parking lots, driveways, sidewalks, bike paths, playgrounds… literally any surface under the sun. They pay for themselves primarily through the generation of electricity, which can power homes and businesses connected via driveways and parking lots.

    A nationwide system could produce more clean renewable energy than a country uses as a whole (http://solarroadways.com/numbers.shtml). They have many other features as well, including: heating elements to stay snow/ice free, LEDs to make road lines and signage, and attached Cable Corridor to store and treat stormwater and provide a “home” for power and data cables. EVs will be able to charge with energy from the sun (instead of fossil fuels) from parking lots and driveways and after a roadway system is in place, mutual induction technology will allow for charging while driving.

    Support Solar Roadways and the campaign to make it happen at Indiegogo

     
  • Titus Toledo @10:30AM, 2014-05-07
    Tags: billboards, , , green energy   

    Air-purifying billboards 

    Last year, scientists at University of Engineering and Technology (UTEC) in Peru came up with a billboard that produced drinkable water. Now they’re creating billboards that purify surrounding air. Watch it.

     
  • Spread @3:45AM, 2014-04-14
    Tags: green energy, , ,   

    All-Natural Mobile Speaker 

    iBam is described as the next generation green amplifier for all you music lovers. Ethically sourced, handcrafted with pride and love at village labs, the iBam is your choice of speaker for any mobile phone. Requiring absolutely no power source so that you can enjoy your favorite music a little louder and greener too!

    iBam_Bamboo_

    —Via Sustainable Living Lab

     
  • Titus Toledo @12:18AM, 2014-02-26
    Tags: green energy, ,   

    URB-E 

    Dubbed as “the world’s most compact e-vehicle,” URB-E has a 20 mile range on a single charge, a top speed of 15mph, and can fold small enough to fit next to you on a train or bus.

    Support this via Indiegogo

     
  • Titus Toledo @12:12AM, 2014-02-26
    Tags: green energy, ,   

    A Flashlight to Change the World 

    A flashlight that shines for as long as you hold onto it. No more scrambling for and chucking away AA batteries. It could have an immediate impact on more than 1.2 billion people — one-fifth of the world’s population — who, according to the World Bank, lack regular access to electricity.

    Stunningly, no one on record has thought to use thermoelectric technology to power a flashlight, until 16-year-old Ann Makosinski.

    Two years ago, Ann, who is half-Filipino, was corresponding with a friend of hers in the Philippines who didn’t have electricity. According to Ann, her friend couldn’t complete her homework and was failing in school.

    “That was the inspiration for my project,” said Ann, “I just wanted to help my friend in the Philippines and my flashlight was a possible solution.”

    —Via Yahoo News/This Could be Big

     
  • Spread @12:44AM, 2014-01-15
    Tags: green energy,   

    A New Way to Store the Sun's Energy 

    Researchers at the University of North Carolina (UNC) at Chapel Hill have built a system that converts the sun’s energy not into electricity but into hydrogen fuel. The system then stores this fuel for later use. Chemist Tom Meyer at UNC’s College of Arts and Sciences led the research. He said in a press release on January 14, 2014 that it’s not practical to talk about powering a planet with energy stored in batteries. It’s more reasonable, he said, to store energy in the chemical bonds of molecules. He said: “And that’s what we did — we found an answer through chemistry.”

    Meyer and colleagues at UNC and North Carolina State University used a technique known as a dye-sensitized photoelectrosynthesis cell, or DSPEC, to generate hydrogen fuel by using the sun’s energy to split water into its component parts. After the split, hydrogen is sequestered and stored, while the byproduct, oxygen, is released into the air. But, Meyer said: “splitting water is extremely difficult to do. You need to take four electrons away from two water molecules, transfer them somewhere else, and make hydrogen, and, once you have done that, keep the hydrogen and oxygen separated.”

    Meyer’s design has two basic components: a molecule and a nanoparticle. The molecule absorbs sunlight and then kick starts a catalyst to rip electrons away from water. A film of nanoparticles then shuttles the electrons away to make the hydrogen fuel.

    The team says the infrastructure to install their new sunlight-to-fuel converters is in sight, based on existing technology.

    Via EarthSky.org

    solar-fuel

     
c
compose new post
j
next post/next comment
k
previous post/previous comment
r
reply
e
edit
o
show/hide comments
t
go to top
l
go to login
h
show/hide help
shift + esc
cancel