Science

[ad_1] A disturbing new record was set for the close flight of an Earth asteroid after a space rock called 2020 VT4 came within 400 kilometers (250 miles) of the planet on Friday the 13th. And our planetary defenses lacked it. The asteroid was identified by the Asteroid Terrestrial-impact Last …

[ad_1] A wafer-scale composite membrane composed of vertically aligned single-walled carbon nanotubes embedded in a parylene-N polymer matrix. Credit: Lawrence Livermore National Laboratory Membrane systems have great potential as low energy alternatives in applications such as desalination, pharmaceutical recovery, purification and waste treatment. Scientists at the Lawrence Livermore National Laboratory …

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[ad_1] Reconstruction of the first Bagualia alba sauropod. Credit: Jorge Gonzales The word “dinosaur” tends to evoke giant animals with massive bodies, long necks and tails, and small heads. These “dinosaurs par excellence” actually represent an important subgroup of Dinosauria, the so-called Sauropoda (“long-necked dinosaurs” in popular culture). Sauropods were …

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[ad_1] The International Space Station was photographed by Expedition 56 crew members from a Soyuz spacecraft after disembarking on October 4, 2018. NASA astronauts Andrew Feustel and Ricky Arnold and cosmonaut Roscosmos Oleg Artemyev performed a tour of the orbiting laboratory to taking photos of the station space before returning …

[ad_1] Scientists have identified an old piece of the Pacific Ocean – the ancient remnants of its seabed long ago – that extends hundreds of miles below China, as it is dragged down into the transition zone of the Earth’s mantle. This rock slab that flanked the Pacific floor is …

[ad_1] Magnetic materials are ubiquitous in modern society, present in almost all the technological devices we use every day. In particular, personal electronic devices such as smartphones / watches, tablets and desktop computers all rely on magnetic material to store information. Information in modern devices is stored in long chains …

[ad_1] A low-flying asteroid only missed Earth by a few hundred miles on Friday the 13th and was not noticed until the next day. The asteroid, named 2020 VT4, was identified 15 hours later by the Last Alert System asteroid impact Earth survey at the Mauna Loa Observatory in Hawaii. …

[ad_1] Greenland is known as the major contributor to sea level rise. However, a recent report investigates how it could lose more ice to the island’s glaciers than traditionally predicted. According to a report published Tuesday in Nature, Greenland’s three major glaciers are responsible for about 12% of the global …