[ad_1] A recently discovered ancient species forces scientists to rethink what exactly counts as a crab. Image credits Oksana Vernygora / University of Alberta. An international team led by paleontologists from Yale University announced the discovery of a treasure chest containing hundreds of well-preserved crab specimens. Fossils include species of true shrimp, comma shrimp and, … Read more
[ad_1] A series of very strange memos arrived at the White House in the fall of 2017, detailing a potential nightmare scenario: an asteroid apparently on the right track to hit the Earth. But these notes were covered with bright red warnings, noting that they were only part of an exercise; Mankind had no other … Read more
[ad_1] RS Puppis, a Cepheid of the Milky Way, is seen through the Hubble Space Telescope. Credit: Hubble Space Telescope The universe moves too fast and nobody knows why. In the early years of the universe, just after the Big Bang, everything was exploded. We can still see the light of this explosion by observing … Read more
[ad_1] Quantum microscope images at the nanoscale of 2D magnets – Physics World More MENU MENU Discover more from Physics World <! – -> <! – -> Related products and services Copyright © 2019 by IOP Publishing Ltd and individual contributors light-rec iop pub iop-science physcis connect [ad_2] Source link
[ad_1] summary Unlike most other materials, graphene – a single layer of carbon atoms arranged in a two-dimensional honeycomb network – contracts when heated (1). This unusual property is caused by the extreme asymmetry of the two-dimensional structure. When the carbon atoms vibrate thermally, they undergo a strong restoring force in the plane and a … Read more
[ad_1] Thursday, April 25, the moon will approach Saturn in the dawn sky. For lucky skywatchers from some parts of the globe, the moon will pass the ring planet. The occultation of Saturn will be visible in the South Pacific, especially in the east of Australia, New Zealand and New Caledonia. Meanwhile, Saturn will hide … Read more
[ad_1] Neither the continents nor the oceans have always been like before. These "palaeomaps" show how the continents and oceans appeared before (top) and during (bottom) "the collision that changed the world", when the landmass that is now the Indian subcontinent is sunk north to Asia, closing the Tethys Sea and building the Himalayas. Global … Read more
[ad_1] enlarge / The Electron is ready to go. Welcome to Edition 1.46 of the Rocket Report! As always, we've got news about this world. Start-ups in Japan and China have made news this week, and Russia may soon be decommissioning the most historical launchpad in the world. There's plenty of news from the world … Read more
[ad_1] March 29 Saturn was almost perfectly aligned with the moon in the night sky, almost seeming to touch the lunar object. This common event, called occultation, is easy to miss. But this photographer from South Africa managed to capture him at the perfect moment. Grant Petersen / Twitter Grant Petersen in Johannesburg shared this … Read more
[ad_1] ANN ARBOR – A new class of coatings that effortlessly removes ice from even the largest surfaces has brought researchers closer to their goal for decades: protecting cargo ships, planes, power lines and other large structures from the ice. Aerosol coatings, developed at the University of Michigan, cause the ice of structures – whatever … Read more