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Thread1/5#Mariner4 flew past #Mars on July 14, 1965, providing the 1st close-up photographs of another planet.This 1st close-up image ever taken of Mars shows an area about 330 km across
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Thread 1/15Can you explain what #QuantumMechanics is to a 13-,14- year-old boy?A really arduous undertaking, I would say almost a challenge.I tried to do it through an imaginary dialogue with
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1/There are shining examples of the fact that mathematics is not a “boys only” club.One among these is Gabrielle Émilie Le Tonnelier de Breteuil, marquise du Châtelet (Dec 17, 1706
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1/This visualisation shows the progress of #reionization, an era when #Universe cooled down after the #BigBang, abt 13.8 B yrs ago.Ionized regions are blue and translucent, ionization fronts are red
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1/"On the 7th day of January in the present year 1610, in the 1st hour of the following night (...) Jupiter presented itself to my view, and (...) I noticed
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El Árbol del Tule (The Tree of Tule) is a tree located in the church grounds in the town center of Santa María del Tule in the Mexican state of
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1/In this video you're seeing the 2012 #Venustransit recorded by #SWAP on board the #PROBA2 #satellite.The planet #Venus appeared as a small, dark spot passing across the face of the
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1/In this pic you're seeing the majestic #Ficusmacrophylla, considered the largest in #Europe and one of the oldest in #Italy, with a height of 30 m, a trunk circumference exceeding
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1/#MaxBorn also made contributions to solid-state physics and optics and supervised the work of a number of notable physicists in the 1920s and 1930s.In 1921, the year he became Professor
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1/#OTD in 1867, #MarieCurie was born.In addition to her great scientific merits, let's remember her generous activity as a "radiologist" during the WWI.In fact, she devised "mobile units" as a
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1/4Nov. 1958: Eugene Parker predicts the #solarwindE. Parker, a young astrophysicist at @UChicago, was puzzled by the coronal heating problem. Why didn't the multi-million degree solar atmosphere fly right off
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1/#Leonardo da Vinci's Mappamundi (world map) in 8 Reuleaux triangle octants.It is a map drawn in the "octant projection" in approximately 1514, related with the first uses of the name
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