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Scientists from round the world are meeting in Germany to improve ways of making money from carbon dioxide.
They want to transform some of the CO2 that’s overheating the planet into products to benefit humanity.
They don’t claim the technology will solve climate change, but they say it will help.
Carbon dioxide is already being used in novel ways to create fuels, polymers, fertilisers, proteins, foams and building blocks.
— BBC
BBC environmental analyst, Roger Harrabin, details three novel ways to turn excess carbon dioxide into potentially profitable carbon-negative products: high-grade fertilizer from agricultural waste products; food-grade beverage carbonation and biogas from horse manure; and most interesting for the... View full entry
A team of Boston University researchers recently stuck a loudspeaker into one end of a PVC pipe. They cranked it up loud. What did they hear? Nothing.
How was this possible? Did they block the other end of the pipe with noise canceling foams or a chunk of concrete? No, nothing of the sort. The pipe was actually left open save for a small, 3D-printed ring placed around the rim. That ring cut 94% of the sound blasting from the speaker, enough to make it inaudible to the human ear.
— Fast Company
"The mathematically designed, 3D-printed acoustic metamaterial is shaped in such a way that it sends incoming sounds back to where they came from," explain the Boston University researchers behind the discovery: Xin Zhang, a professor at the College of Engineering, and Reza Ghaffarivardavagh, a... View full entry
Cut peat blocks were already being used for building houses thousands of years ago. Now, scientists at the University of Tartu have developed a material which could make it possible to print energy-efficient houses out of milled peat and oil shale ash using a 3D printer. — Research in Estonia
"As peat and oil shale ash are not very expensive, house builders would be especially happy about the price of the material. According to Liiv, scientists calculated that the cost for the construction of a house shell printed from this material with a floor surface of 100–150 square meters could... View full entry
According to the CDP report, the cement industry is the second-largest industrial emitter of carbon after the steel industry. And when accounting for its use in human-made structures, it is responsible for more than a third of the world’s carbon emissions. But unlike the transportation sector, in which a new type of fuel can dramatically decrease the sector’s pollutants, cement’s problem is, well, cemented in its formulation [...] — The Outline
In his longform piece for The Outline, Mike Disabato explains why the cement industry shows little interest in earnestly reducing the tremendous environmental impact of its (nearly) indispensable product. "No one in the cement industry has seriously engaged in the herculean task of enhancing the... View full entry
The tinted world of tomorrow is coming, and airports—mini-cities of steel, concrete and lots and lots of glass—are interested. In a test last fall, Dallas-Fort Worth International Airport outfitted one of its gates with a new type of “smart glass” that can adjust for sunlight exposure. The obvious point is to keep travelers from getting overheated—but the exercise also brought a more lucrative benefit. — Bloomberg
A Cornell-led study at Dallas-Fort Worth Airport found that implementing a new type of electrochromatic 'smart glass' at one of its gates not only led to cooler, more pleasant surface temperatures in the waiting area, but the tinted glass, and the resulting dimmer light in the neighboring bars and... View full entry
[...] scientists say a simple and inexpensive new process can transform any type of wood into a material stronger than steel, and even some high-tech titanium alloys. [...]
The results are impressive. The team’s compressed wood is three times as dense as the untreated substance, Hu says, adding that its resistance to being ripped apart is increased more than 10-fold. It also can become about 50 times more resistant to compression and almost 20 times as stiff.
— Scientific American
Wood, so hot right now. Thanks to new and improved construction methods, there is barely a month going by without the announcement of record-breaking wooden structures and rapidly increasing height limits for cross-laminated timber skyscrapers around the world. Meanwhile material scientists are... View full entry
Since 2008, Solidia Technologies [...] has been quietly developing a new cement-making process that produces up to 70% fewer CO2 emissions at a cost that DeCristofaro claims is on par with or better than conventional cement.
Solidia, which was formed in a bid to commercialize ideas developed at Rutgers University in New Jersey, is not the first company to attempt to make environmentally friendly cement. But industry experts say it’s the most promising yet.
— Quartz
"Of course, the startup now needs to show that this lower-emission cement can be made into concrete that’s at least as good as others, and can be scaled up in a way that’s affordable," Quartz explains. "That’s what Solidia is working on right now." View full entry
Molecules 10,000 times narrower than the width of a human hair could hold the key to making possible wooden skyscrapers and more energy-efficient paper production, according to research published today in the journal Nature Communications. The study, led by a father and son team at the Universities of Warwick and Cambridge, solves a long-standing mystery of how key sugars in cells bind to form strong, indigestible materials. — University of Cambridge
"But just as this could improve how easily materials can be broken down, the discovery may also help them create stronger materials, he says. There are already plans to build houses in the UK more sustainably using wood, and Paul Dupree is involved in the Centre for Natural Material Innovation at... View full entry
“The best way to describe what we’re trying to create is a ‘biomechanical cow’s stomach’,” said Rachel Armstrong, coordinator of the Living Architecture (LIAR) research project. LIAR's aim is to develop a building block material that uses living microorganisms to clean wastewater... View full entry
In bone, the proportions of protein and mineral are roughly equal – the mineral gives bone stiffness and hardness, while the protein gives it toughness or resistance to fracture. While bones can break, it is relatively rare, and they have the benefit of being self-healing [...]
“All of our existing building standards have been designed with concrete and steel in mind. Constructing buildings out of entirely new materials would mean completely rethinking the whole industry."
— cam.ac.uk
Bioengineer Dr. Michelle Oyen of Cambridge’s Department of Engineering and her lab are working on ways to build artificial compounds that mimic bone and eggshell. Eventually, once scaled up, the compounds could be used as building materials.When the mineral compounds are "templated" onto the... View full entry
adding butts can cut the energy needed to fire bricks by up to 58 per cent.
Fired-clay bricks incorporated with cigarette butts were also lighter with better insulation properties – meaning reduced household heating and cooling costs.
Importantly, bricks incorporated with 1 per cent cigarette butts maintained properties very similar to those of normal bricks.
— sciencedaily.com
Related on Archinect:New glow-in-the-dark cement could illuminate roads & structuresUCL researchers present a new kind of self-cleaning nano-engineered windowMIT researchers have created a new material that stores and releases solar energyHow "smart" tintable glass will reduce our needs for... View full entry
A scientist in Mexico has created glowing cement that absorbs solar energy during the day and emits light after sun-down.
Claiming the engineered cement can last a hundred years, he says it could make roads and structures glow in the dark, cutting the cost of street-lighting.
The patent is the first for Mexico’s University of San Nicolas Hidalgo, says the researcher behind the invention, Dr. José Carlos Rubio, according to Investigación y Desarrollo.
— globalconstructionreview.com
Related stories in the Archinect news:Upcycling CO2 into a concrete competitorGreg Lynn: The future of glue in architecture is brightHow to turn Martian soil into concrete View full entry
Glue is the future of architecture. At least that’s how architect Greg Lynn sees it. And he’s not alone. “Mechanical assembly is already waning in many industries,” Lynn says. “An airplane now is glued together. A car now is glued together. Even a lot of appliances are being glued together.” So why not skyscrapers? — New Scientist
Related stories in the Archinect news:Love Letter to Plywood. By Tom SachsMIT researchers have created a new material that stores and releases solar energyUCL researchers present a new kind of self-cleaning nano-engineered window View full entry
Researchers at University College London (UCL) claim that a “revolutionary” new type of window could cut cleaning costs in tall buildings and reduce heating bills by up to 40% thanks to a new combination of nano-scale engineering inspired by the eyes of moths, and thermochromic coating.
The prototype, revealed today, has conical nanostructures engraved on its surface that trap air and prevent all but a tiny amount of water coming into actual contact with the glass.
— globalconstructionreview.com
"The lead UCL researcher said this would be a big draw for high-rise building owners, since the cost of cleaning the windows surpasses the cost of installing them after the first five years."Related news stories on Archinect:MIT researchers have created a new material that stores and releases... View full entry
According to a team of researchers at MIT, both scenarios may be possible before long, thanks to a new material that can store solar energy during the day and release it later as heat, whenever it’s needed. This transparent polymer film could be applied to many different surfaces, such as window glass or clothing.
[...] the new finding could provide a highly efficient method for storing the sun’s energy through a chemical reaction and releasing it later as heat.
— news.mit.edu
Related stories in the Archinect news:MIT's new "Kinetic Blocks" enhances ability to build using Microsoft KinectMIT presents 3D printer that can print 10 materials simultaneously without breaking the bankZoom In, Zoom Out: Hashim Sarkis, Dean of MIT's School of Architecture + Planning, on... View full entry