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The Vikings stopped sending expeditions due to the unsustainable settlements, hostile relations with indigenous peoples, and climate change.
The Vikings, legendary for their seafaring…
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Why Did The Vikings Cease Their Expeditions To North America After Establishing Early Settlements? » ScienceABC
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The Toyota Prius Transformed the Auto Industry
In the early 1990s, Toyota saw that environmental awareness and tighter emissions regulations would shape the future of the automotive industry. The company aimed to create an eco-friendly, efficient vehicle that would meet future standards.
In…
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Video Friday: Agile Upgrade
Video Friday is your weekly selection of awesome robotics videos, collected by your friends at IEEE Spectrum robotics. We also post a weekly calendar of upcoming robotics events for the next few months. Please send us your events for inclusion.
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Improving Models of Landslide Speed
• Physics 18, 13
Measurements of grains flowing down an inclined plane have uncovered general principles that may help researchers model rockslides and other granular flows.
Magic Vova/Stock.adobe.com
Deadly results.… Continue Reading
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Quantum Milestones, 1916: Millikan’s Measurement of Planck’s Constant
• Physics 18, 12
The experiment provided further proof of the reality of photons, yet Millikan didn’t accept their existence until later in his career.
AIP Emilio Segrè Visual Archives
Robert Millikan and Ira Bowen… Continue Reading
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Mysterious stone face discovered on cistern wall
Archaeologists excavating the ancient city of Ptolemais on Libya’s Mediterranean coast have discovered a stone face on the wall of a cistern from the late 4th to 3rd century BC.
Ptolemais is located in Cyrenaica, a historic region in present-day…
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New chainmail-like material could be the future of armor
In a remarkable feat of chemistry, a Northwestern University-led research team has developed the first two-dimensional (2D) mechanically interlocked material.
Resembling the interlocking links in chainmail, the nanoscale material exhibits…
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Homo erectus Thrived in Steppe-Desert Landscapes One Million Years Ago, New Study Suggests
Homo erectus, an early member of the genus Homo, successfully navigated harsher and more arid terrains for longer in Eastern Africa than previously thought, according to new research.
Archaic hominins. Image credit: Ninara / CC BY 2.0.
Debate…
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Autonomous AI assistant to build nanostructures
The chemical composition of a material alone sometimes reveals little about its properties. The decisive factor is often the arrangement of the molecules in the atomic lattice structure or on the surface of the material. Materials science…
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