‘Game changing’ graphene-reinforced concrete is stronger and better for the planet

May 3, 2018 by  
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Add concrete to the list of things graphene can improve. Scientists at the University of Exeter ‘s Center for Graphene Science developed a new technique to incorporate graphene in concrete production with the help of nanoengineering technology — and the resulting material was not only over twice as strong as concretes we have today, but “drastically reduced the carbon footprint of conventional concrete production methods.” Is there anything graphene can’t do? It can boost both the strength and durability of concrete. The resulting University of Exeter composite material is four times as water resistant as existing concretes, and, according to professor Monica Craciun , “by including graphene we can reduce the amount of materials required to make concrete by around 50 percent — leading to a significant reduction of 446 kilograms per tonne of the carbon emissions .” Related: MIT just discovered a way to mass produce graphene in long rolls The research, published in late April in the journal Advanced Functional Materials , pioneers a novel, low cost technique that is, according to the university, compatible with requirements for modern, large-scale manufacturing. The composite material can be utilized right on building sites. Craciun described the new green concrete as an absolute game-changer. She said its strength, durability, and water resistance make it “uniquely suitable for construction in areas which require maintenance work and are difficult to be accessed.” Lead author Dimitar Dimov, a PhD student at the university, described the research as a first but crucial step “in the right direction to make a more sustainable construction industry for the future.” He said in the statement, “Finding greener ways to build is a crucial step forward in reducing carbon emissions around the world and so help protect our environment as much as possible.” + University of Exeter + Advanced Functional Materials Images via Depositphotos and Derek Torsani on Unsplash

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‘Game changing’ graphene-reinforced concrete is stronger and better for the planet

Build your own Analog Memory Desk to capture every scribble and sketch

March 19, 2015 by  
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Good news for scribblers everywhere! Kirsten Camara, a student at the Minnesota College of Art and Design (MCAD), designed and built an amazing Analog Memory Desk to capture her every note and doodle. The desk features a built-in spool of paper measuring 1,100 feet long (that’s a kilometer, by the way), which covers the desktop. Once you’ve filled up the work surface with your jotted notes and idea sketches, you simply turn the crank at one end of the desk, spooling the used paper off the desktop and providing a fresh canvas for all your scribbling needs. Camara isn’t building the desks for sale, but she’s released her designs for free under Creative Commons, so anyone handy with some lumber can make their own analog memory desk at home. + Kirsten Camara’s Analog Memory Desk Via Bored Panda Images via Kirsten Camara Permalink | Add to del.icio.us | digg Post tags: analog memory desk , desk with paper , diy desk plans , how to build a desk , kilometer long spool of paper , kirsten camara

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Build your own Analog Memory Desk to capture every scribble and sketch

INFOGRAPHIC: 2015 marks The International Year of Soils

March 19, 2015 by  
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Recognizing the vital importance of soil for human life, the 68th United Nations General Assembly has declared 2015 to be the International Year of Soils . Without ideal soil health, food security and ecosystem functions are in peril:  Soil is a finite natural resource, and the very foundation for nutrient cycling, food production , clean water, and natural fibers, and the planet’s soils are being depleted so quickly that they cannot renew on a human time scale. Raising awareness and taking action towards sustainable management, climate change adaptation, soil repair , and initiatives to combat poverty-related hunger are just a few objectives of this year’s focus, and everyone on the planet is urged to take part to help out. Check out the infographic below to learn more about how important soils are to all life on the planet. + Soils.org Read the rest of INFOGRAPHIC: 2015 marks The International Year of Soils Permalink | Add to del.icio.us | digg Post tags: Climate Change , ecosystem collapse , food scarcity , food security , hunger , International Year of Soils , soil , soil erosion , soil health , soil protection , soil replenishment , soils , UN Year of Soils , United Nations , Year of Soils

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INFOGRAPHIC: 2015 marks The International Year of Soils

The Fascinating History of the Strida Bike

July 2, 2010 by  
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The Strida bicycle is a TreeHugger fixture, the usual ride for TreeHugger founder Graham Hill and me, and the subject of many posts.

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The Fascinating History of the Strida Bike

Yes, the Climate Change ‘Hockey Stick’ Still Stands

July 2, 2010 by  
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This Graph is Right On Michael Mann was one of the scientists at the center of the so-called ‘Climate Gate’ controversy, and as the author of the famous ‘hockey stick’ graph (the one above, displaying clearly that the temperatures we’re currently experiencing are anomalous, and hotter than the last 2,000 years) is a favorite target of climate denier attacks.

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Yes, the Climate Change ‘Hockey Stick’ Still Stands

Bee Hives: Nature’s Architectural Wonder (Slideshow)

July 2, 2010 by  
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Photo via catherineames.com While finding a bees nest isn’t always something to celebrate, looking past the stingers to focus on the architecture can help you see them in a whole new way. Throughout history, architects and designers have looked to hives for inspiration — take this tower and this bookcase — and it’s easy to see why. From the delicate combs of a paper wa…

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Bee Hives: Nature’s Architectural Wonder (Slideshow)

Are "Bait Bikes" Simply Entrapment?

July 2, 2010 by  
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Image credit: Lock Your Bike Lloyd reported back in 2007 that the City of Toronto was using bait bikes fitted with GPS to trap would-be bike thieves. Apparently the idea is catching on, and London is now following suit.

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Are "Bait Bikes" Simply Entrapment?

Alternative Food Research: Farming the Deserts

December 18, 2009 by  
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Given all of the attention on alternative food right now – from backyard chickens to guerilla gardeners to illegal rooftop beekeeping – I decided to start a series of posts on research examining the sociology and ecology of this movement. Nathan McClintock , a graduate student at the University of California-Berkeley , studies the potential of urban agriculture to enhance social justice for economically impoverished neighborhoods. His research focuses on Oakland’s so-called “food deserts,” areas where healthy, fresh food is rare.  Cheap, industrial food such as fast food and heavily processed snack foods, however, is common in these neighborhoods.

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Alternative Food Research: Farming the Deserts

In Copenhagen, 14 of World’s Biggest Cities Commit to EVs

December 18, 2009 by  
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Fourteen of the world’s largest cities agreed to take steps over the coming year to make their cities more electric vehicle-friendly.

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In Copenhagen, 14 of World’s Biggest Cities Commit to EVs

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