Articles With "green tech" Tag

Discarded Cigarette Butts can be Recycled into Energy Storage Devices

cigarettebutts

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

shower

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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A Super Portable Solar Charger

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When traveling to remote areas, charging your phone or tablet can be quite a hassle. But the portable solar charger SunJack, which was created by Harold Tan, can make this problem go away. The solar charger is also a great emergency kit addition for off-the-grid travel. SunJack is very portable, as it folds up to the size of an iPad. The creator will also be donating a part of the sales to help give the villagers in Papua New Guinea healthy, access to non-toxic lighting, since in these areas the people still use lighting that is quite hazardous.
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Reinventing the Toilet for the Benefit of All

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Eawag, the Swiss Federal Institute of Aquatic Science and Technology, recently developed a new and highly efficient composting toilet called Blue Diversion. Human waste has significant value, since it can provide fertilizer and phosphorus and the Blue Diversion toilet is able to successfully harvest both. These byproducts can also be sold at a profit, so this toilet does more than just provide water efficiency or off-the-grid-living.
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