Breakthrough polymer could lead to ‘infinitely’ recyclable plastics

April 27, 2018 by  
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Even though we’re aware of the environmentally damaging effects of plastic , many people still use the material because it’s long-lasting, convenient, and inexpensive – but plastic can only be recycled a few times. Four Colorado State University chemists just made a breakthrough that could allow for a plastic-like material that’s completely recyclable . They discovered a new polymer that could be infinitely recycled without intensive procedures in a laboratory or using toxic chemicals. The infinitely recyclable polymer is strong, heat-resistant, durable, and lightweight. Its discovery marks a major step towards materials that are sustainable and waste-free, according to Colorado State University — and could compete with polluting plastic in the future. Related: Scientists accidentally create mutant enzyme that chomps plastic for lunch Polymers are characterized by chains of chemically bonded molecules called monomers. The university said in this new research, which builds on a chemically recyclable polymer demonstrated by the laboratory of chemistry professor Eugene Chen in 2015, a monomer can be polymerized in environmentally friendly conditions: “solvent-free, at room temperature, with just a few minutes of reaction time and only a trace amount of catalyst.” The material created in this process possesses mechanical properties “that perform very much like a plastic.” The polymer can be recycled to its original state in what the university described as mild laboratory conditions, with a catalyst. With this breakthrough, published this week in the journal Science , the scientists envision a future with green plastics that can be “simply placed in a reactor and, in chemical parlance, de-polymerized to recover their value — not possible for today’s petroleum plastics.” This would bring the material back to its chemical starting point, so it could be utilized again and again and again. Chen said in the statement, “The polymers can be chemically recycled and reused, in principle, infinitely.” What’s next for the team? Chen emphasized this polymer technology has solely been demonstrated at the academic laboratory scale, and more research is necessary to polish the patent-pending processes of monomer and polymer production. The chemists do have a seed grant from CSU Ventures , and Chen said, “It would be our dream to see this chemically recyclable polymer technology materialize in the marketplace.” + Colorado State University + Science Images via Colorado State University and Depositphotos

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Breakthrough polymer could lead to ‘infinitely’ recyclable plastics

Bill Gates-backed startup will give you real-time video of nearly anywhere on Earth

April 27, 2018 by  
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Start-up EarthNow is aiming to bring us real-time video taken from space  of any point on our planet. Backed by such high-profile supporters as Bill Gates and Airbus, EarthNow promises to boldly go where no one has gone before through a proposed “constellation” of satellites that will offer clients their pick of locations and angles from which to capture real-time video of Earth. EarthNow promises the delivery of video with only a one-second delay, without the need to wait for any satellite to be in range due to a comprehensive network that covers the entire planet at any given time. According to EarthNow, the system will one day let us “instantly create “living” 3D models of a town or city, even in remote locations,” observe conflict zones and react in real time, and catch forest fires the minute they start. In its very early stage at the moment, EarthNow intends to initially focus on “high-value enterprise and government customers,” offering services such as weather monitoring, tracking illegal fishing or poaching, or surveillance of conflict zones. Although there is no defined timeline for creating a prototype and testing the system, EarthNow is nonetheless making moves to bring its vision into reality. Thanks to its collaboration with  OneWeb founder Greg Wyler, EarthNow will be able to build its system using a significantly improved version of OneWeb’s satellite network. “Each satellite is equipped with an unprecedented amount of onboard processing power, including more CPU cores than all other commercial satellites combined,” said EarthNow in a press release . Related: Airbus wants to harpoon a satellite and bring it back to Earth Though EarthNow is targeting larger clients to start, its objective is ultimately to share the Earth with all of its inhabitants.  “EarthNow is ambitious and unprecedented, but our objective is simple; we want to connect you visually with Earth in real-time,” said EarthNow CEO and founder Russell Hannigan in a statement . “We believe the ability to see and understand the Earth live and unfiltered will help all of us better appreciate and ultimately care for our one and only home.” Via Tech Crunch Images via Earth Now

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Bill Gates-backed startup will give you real-time video of nearly anywhere on Earth

11 innovative companies giving energy storage a jolt

April 21, 2014 by  
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Tackling problems from every angle, these diverse and forward-thinking companies are planning a future with plentiful energy.

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11 innovative companies giving energy storage a jolt

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