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Hace 21 horas · Gravity Falls is an American mystery comedy animated television series created by Alex Hirsch for Disney Channel and Disney XD.The series follows the adventures of Dipper Pines (Jason Ritter) and his twin sister Mabel (Kristen Schaal), who are sent to spend the summer with their great-uncle (or "Grunkle") Stan (Hirsch) in Gravity Falls, Oregon, a mysterious town full of paranormal incidents ...
Hace 21 horas · Image courtesy google The first metal 3D printer aboard the International Space Station successfully dribbled out a molten “S curve” last Thursday, in what the European Space Agency (ESA) is calling a “giant leap forward for in-orbit manufacturing.” Combining a high-power laser and stainless-steel wire, an Airbus-built metal 3D printer deposited its first liquefied test…
Hace 21 horas · A simple chart for classifying the main star types using Harvard classification. In astronomy, stellar classification is the classification of stars based on their spectral characteristics. Electromagnetic radiation from the star is analyzed by splitting it with a prism or diffraction grating into a spectrum exhibiting the rainbow of colors interspersed with spectral lines.
Hace 21 horas · NASA has this contraption (well one of several) that is used to simulate 1/6 and Mars 1/3 gravity. You get suited up in his harness thing, hooked to control arm that moves on a frame above you. It lifts you up with enough force to maintain the simulated lower gravity. It's not a perfect simulation, but it's close enough. I watched some TV ...
