Wood
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Processing wood from trees isn’t the most efficient way to make furniture or building materials. MIT scientists have made breakthroughs in a process that could one day let us 3D print and grow wood directly in the shape of furniture and other things.
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A huge chunk of energy usage goes towards heating and cooling homes and buildings, so it’s important to find new ways to regulate temperature passively. A new wood-based foam could drastically cool buildings to a degree that can be easily tuned.
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While we may think of wood as being earthy and natural, wooden materials such as plywood typically contain formaldehyde-based adhesives that give off toxic fumes. Such is not the case with a new adhesive, which is made from glucose and citric acid.
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Even though our forests are disappearing at an alarming rate, new wooden structures are typically made of all-new wood. A special computer system could help change that, by facilitating the use of wood reclaimed from existing buildings.
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While all non-recyclable plastics aren't very eco-friendly, expanded polystyrene foam is particularly problematic, as it's bulky and often used in disposable packaging. It could be replaced by a new biodegradable material, however, made from sawdust.
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Wood is becoming an increasingly popular building material, but the timber is harvested mainly just from the long, straight trunks of trees. Aiming to reduce waste, an MIT team has developed a method of also using a tree's load-bearing junctions.
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While there's nothing quite as cozy as a wood cabin, pulling one behind your car could be a bit … challenging. That's where the Glamper comes in, as it's a wood-cabin-style trailer that folds flat for transit, and goes up in about 10 minutes.
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This intricate, lightweight "Greenaxe" electric guitar by Olaf Diegel shows off a new 3D printing technique that turns waste products like sawdust into high-strength, production-grade wood parts that cost virtually nothing in materials.
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Not only are most thermoset resins made from non-renewable sources, but they're also hard to recycle. Scientists have set about addressing those problems, by developing a new lignin-based, thermoset-like material that can be reused several times.
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Scientists have come up with a new hardened form of wood that can be fashioned into sturdy nails or knives that are almost three times sharper than a standard dinner table knife ... and they're dishwasher safe, too.
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The idea of using human movement to generate electricity is something we've seen applied to many areas, and scientists have now developed a highly efficient form of wooden flooring that leverages this technology to power a lamp with footsteps.
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Although stand-up paddleboards are eco-friendly to use, they're typically made of not-so-green substances. German scientists are trying to change that, with a board made of sustainable materials – obtained partially from old wind turbine blades.
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