Articles With "green tech" Tag

Rooftop Mounted Wind Turbines That Make Homes Self-Sufficient

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When it comes to renewable energy, wind turbines are certainly one of the greener and more sustainable options. Their biggest drawbacks is that they have to be large to produce enough energy, and that they make a lot of noise, which is why they haven’t yet been widely adopted by homeowners. However, The Archimedes, a Holland-based renewable energy start-up is currently working on a solution to this problem. They are designing a wind turbine small enough to be mounted on the roof of a typical home, but which is still highly efficient at converting wind to energy and does so nearly soundlessly.

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New High-performance Supercapacitor Developed in California

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A team of researchers at the University of California, Riverside (UCR) has developed a new graphene-based supercapacitor, which is based on a nanoscale architecture. This breakthrough supercapacitor offers double the energy and power performance over today’s available competitors. Supercapacitors like this could one day be used for charging high-performance electric cars and personal electronics by effectively replacing batteries.
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Discarded Cigarette Butts can be Recycled into Energy Storage Devices

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Cigarette butts are one of the most haphazardly discarded items, and an estimated 766,571 metric tons of them end up deposited into the environment each year across the globe. Furthermore, even if the cigarette butts are disposed of properly, they still pose a threat since arsenic and other harmful chemicals leak from them into the earth and waterways. But now a team of researchers from Seoul National University have found a way to recycle used cigarette filters into super-effective energy storage material. They recently published their findings in the journal Nanotechnology.
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New Way of Cooling Solar Cells

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A group of researchers at Stanford University have developed a new type of coating, which will allow solar cells to cool themselves. This breakthrough would eliminate the need for water and energy intensive coolants and ventilation, which is currently used to cool solar cells. It would also extend the life span of the solar cells considerably.
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The SpaTap Portable Shower is Super Simple and Super Smart

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One of the problems faced by anyone trying to live a simple and sustainable life is certainly trying to conserve as much water as possible without sacrificing hygiene. Enter the SpaTap, which is an incredibly simple and ingenious solution to taking a shower or washing your hands off-the-grid. All that it needs to work is a plastic water bottle, which is a widely available item, to which you attach the SpaTap for water efficient showers, hand washes or food preparation.
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Go Off-The-Grid With Windpax

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A wind turbine can be used to generate power even at night, which is the main advantage it has over solar panels. However, its size and complicated set up remains the biggest disadvantage. At least when it comes to camping trips, or other instances of needing renewable power on the go. Well, those troubles could be at an end by the use of Windpax. The latter is a portable wind turbine, which is fully collapsible and will not take a lot of space in your backpack. Its designers are currently using Kickstarter to fund its production.
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