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February 12th, 2018

GoProto expands San Diego facility for HP Jet Fusion & 3ntr 3D printers

Rapid prototyping company GoProto is expanding its San Diego facility in order to double the production capabilities of its HP Multi Jet Fusion (MJF) 3D printing technology. In doing so, GoProto becomes the second-largest MJF 3D printing provider in the world. via 3ders.org, http://www.3ders.org/articles/20180212-goproto-expands-san-diego-facility-for-hp-jet-fusion-and-3ntr-3d-printers.html

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Evidence links volcanoes to Earth’s largest mass extinction 252 million years ago

Pine trees become temporarily sterile when exposed to ultraviolet radiation as intense as some scientists believe Earth experienced 252 million years ago during the planet’s largest mass extinction, lending support to the theory that ozone depletion contributed to the crisis. At the end of the Permian 252 million years ago, the continents were part of one supercontinent called Gondwana. Fossils …Continue reading →

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Seafloor data point to global volcanism after Chicxulub meteor strike

A record of volcanism preserved along ancient mid-ocean ridges provides evidence for heightened worldwide magmatic activity 66 million years ago just after the Chicxulub meteor struck Earth, according to University of Oregon scientists. Coloured and black points mark the global distribution of mid-ocean ridges, with ages of 66 million years ago created at spreading rates above and below 35 millimeters …Continue reading →

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Challenging core belief: Have we misunderstood how Earth’s solid center formed?

It is widely accepted that the Earth’s inner core formed about a billion years ago when a solid, super-hot iron nugget spontaneously began to crystallize inside a 4,200-mile-wide ball of liquid metal at the planet’s center. The Earths interior [Credit: University of Chicago]One problem: That’s not possible-or, at least, has never been easily explained-according to a new paper published in …Continue reading →

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Sea floor uplift after last ice age causes methane release in the Arctic today

Hundreds of methane flares observed offshore Western Svalbard in the Arctic are caused by a process that started at the end of the last ice age, according to the study. The methane release happens because the gas is freed from melting hydrates – an icy substance found below the ocean floor, containing methane in a cage of frozen water. Gas …Continue reading →

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How solitary cockroaches gave rise to social termites—tales from two genomes

Termites are “social cockroaches.” They evolved from ancestral solitary cockroaches some 150 million years ago, at least 50 million years before bees, ants and wasps evolved similar intricate societies independently of termites. Termites live in complex societies characterized by division of labor of castes and close coordination of tasks among members of the colony. For example, the queen and king …Continue reading →

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Neanderthals’ lack of drawing ability may relate to hunting techniques

Neanderthals had large brains and made complex tools but never demonstrated the ability to draw recognizable images, unlike early modern humans who created vivid renderings of animals and other figures on rocks and cave walls. That artistic gap may be due to differences in the way they hunted, suggests a University of California, Davis, expert on predator-prey relations and their …Continue reading →

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Micro to macro mapping: Observing past landscapes via remote-sensing

Remotely detecting changes in landforms has long relied upon the interpretation of aerial and satellite images. Effective interpretation of these images, however, can be hindered by the environmental conditions at the time the photo was taken, the quality of the image and the lack of topographical information. Composite image of vegetation indices in Northwest India created from 1254 images  reveals …Continue reading →

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S-Squared plans to 3D print affordable eco-friendly housing on Long Island

S-Squared 3D printers, a 3D printer manufacturer based in Long Island, New York, says it has developed a new additive manufacturing system capable of printing concrete homes and buildings. The mobile 3D printing system can reportedly 3D print a house in roughly 72 hours. via 3ders.org, http://www.3ders.org/articles/20180212-s-squared-plans-to-3d-print-affordable-eco-friendly-housing-on-long-island.html

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Major Neolithic ceremonial enclosure uncovered at Windsor

A major 5,500 year old Neolithic ceremonial gathering place known as a causewayed enclosure has been partially uncovered within sight of Windsor Castle in Berkshire. The discovery was made at Riding Court Farm, near Datchet as part of CEMEX UK’s archaeological programme on the quarrying site, which is monitored on behalf of the local planning authority by Berkshire Archaeology. An …Continue reading →

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