воскресенье, 15 октября 2017 г.

met-greekroman-art: Kylix, eye-cup fragment, Greek and Roman…


met-greekroman-art:



Kylix, eye-cup fragment, Greek and Roman Art


Medium: Terracotta


Uncertain

Metropolitan Museum of Art, New York, NY


http://www.metmuseum.org/art/collection/search/256789



Cuneiform tablet impressed with scaraboid (?) ring seal: receipt…


Cuneiform tablet impressed with scaraboid (?) ring seal: receipt for gold, Ancient Near Eastern Art


Medium: Clay


Purchase, 1886

Metropolitan Museum of Art, New York, NY


http://www.metmuseum.org/art/collection/search/321739


Strainer

Strainer


scipunk: SP. 3D wireframe animation from a virtual reality…


scipunk:



SP. 3D wireframe animation from a virtual reality game called First Person Shooter.


The X-Files Season 7, Episode 13 (2000)



SP. 102 – Elysium (2013) Cerebral upload.




SP. 102 – Elysium (2013)


Cerebral upload.


scipunk: SP. Paradise city. Elysium (2013)


scipunk:



SP. Paradise city.


Elysium (2013)



Kelly Warm Springs Slightly Northeast of Jackson Hole, Wyoming,…


Kelly Warm Springs


Slightly Northeast of Jackson Hole, Wyoming, just past the town of Kelly, there is a small pond called Kelly Warm Springs. You’ll never see more than about seven people there at once since it is somewhat out of the way of the main roads. It’s not the biggest hot spring in the area with Yellowstone just about an hour North of it, and it’s also not the hottest one averaging only 81º Fahrenheit (27.2º Celsius) year round. The pool is perfect for summer swimming with a gorgeous backdrop of the Grand Tetons visible from the whole pool.

Hummanaya Blowhole, Sri Lanka





Hummanaya Blowhole, Sri Lanka


tinulinaac The Earth is alive..Studies on Longing/Seeing (2017)…






A post shared by Tina Petković (@tinulinaac) on






tinulinaac The Earth is alive..
Studies on Longing/Seeing (2017) by Kerstin Ergenzinger (DE); using a reactive system connected to a geophone and a seismograph the installation senses the location’s seismic activity and simulates them through constant movements; a fact of the Earth’s constant movement and changing which we tend to forget and the artist connects to our longing for stability and security.



Sculptures found in ancient city of Pisidia Antiokheia

Five sculptures of gods and goddesses have been found in the sanctuary of Mēn Askaenos in the ancient city of Pisidia Antiokheia in Turkey. AA PhotoExcavations close to the ancient city, located in the southern province of Isparta’s Yalvaç district, unearthed the five intact sculptures in one of the previously unearthed prestigious chambers. AA PhotoExcavations head Professor Mehmet Özhanlı said the sculptures of the goddesses…


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Inca citadel remains found in Cusco

A group of Peru’s southern rainforest inhabitants claim to have found impressive archaeological remains of the Inca civilization in Cusco. Andina PhotoJoined by local authorities, villagers headed to La Convencion Provincial Municipality in order to report the find. Andina PhotoAccording to locals, remains were found on September 9 while grazing animals near the Megantoni National Sanctuary. Andina PhotoPresented as evidence, the…


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Gold coin sheds new light on 5th century Swedish island massacre

The discovery of gold rings and coins on a Swedish island sheds new light on the history of the area, and could give insight into the motives for a massacre which took place in the fifth century, archaeologists told The Local on Wednesday. The coin and gold rings in situ [Credit: Daniel Lindskog]The team working at Sandby Borg, a ringfort on Öland off Sweden’s south-eastern coast, said the discovery was the “find of the year”….


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Comments of the Week #180: From the planets Kepler missed to the…











Comments of the Week #180: From the planets Kepler missed to the NASA photos that changed the world



“Everything is subject to revision. I have no doubt that if we continue to do science at the rate that we’ve done it over the past few hundred years, then by time the year 3,000 rolls around, we’ll look at much of our modern understanding of things the way we look at Copernicus’ or even Ptolemy’s “Universe” today: as quaint, as the beginnings of science, but full of bad ideas and assumptions that we didn’t even recognize. But we may look at it only as we look at Newton’s: as incredibly good, and fundamentally flawed and limited in a few ways, but super successful for its time and what it did nonetheless.


We are always learning and growing.”



There is so much that’s out there in the Universe that we have not seen; that we cannot be certain of with 100% evidence. But thanks to what we know, and the theories we can lay atop the evidence we have, we can make some incredibly powerful predictions, and that’s my favorite part of any scientific theory.


Also, my new book, Treknology, is out today! #Celebrate


Come enjoy all the spectacular bonus science you’ve come to expect, and check out this edition of our Comments of the Week!


astronomyblog: Magnetosphere of Jupiter The magnetosphere of…


astronomyblog:



Magnetosphere of Jupiter


The magnetosphere of Jupiter is the cavity created in the solar wind by the planet’s magnetic field. Extending up to seven million kilometers in the Sun’s direction and almost to the orbit of Saturn in the opposite direction, Jupiter’s magnetosphere is the largest and most powerful of any planetary magnetosphere in the Solar System, and by volume the largest known continuous structure in the Solar System after the heliosphere. Wider and flatter than the Earth’s magnetosphere, Jupiter’s is stronger by an order of magnitude, while its magnetic moment is roughly 18,000 times larger. The existence of Jupiter’s magnetic field was first inferred from observations of radio emissions at the end of the 1950s and was directly observed by the Pioneer 10 spacecraft in 1973.


Image Credit: NASA/JPL



Astronomy & Astrophysics


astronomyblog: The atmospheres of the Solar…


astronomyblog:



The atmospheres of the Solar System


Credit: compoundchem.com



Astronomy & Astrophysics


The Remarkable Jet of the Quasar 4C+19.44


A Chandra X-ray image of the quasar 3C19.44. The overlayed contours show the radio emission (the dimension 100kpc corresponds to 329,000 light-years; the extremely bright core produces a line of bright pixels as an artifact). NASA/Chandra VLA and Harris et al.



Quasars are galaxies with massive black holes at their cores. So much energy is being radiated from near the nucleus of a quasar that it is much brighter than the rest of the entire galaxy. Much of that radiation is at radio wavelengths, produced by electrons ejected from the core at speeds very close to that of light, often in narrow, bipolar jets that are hundreds of thousands of light-years long. The fast-moving charged particles can also scatter photons of light, kicking them up in energy into the X-ray range. Even after more than two decades of study, however, there is still no clear conclusion as to the physical mechanism actually responsible for the X-ray emission. In more powerful quasars, it does appear that this scattering process dominates. In lower power jets, however, the emission characteristics suggest that the X-ray emission is dominated by magnetic field effects, not scattering.


The lead author of a new paper on the remarkable jet in the quasar 4C+19.44 is CfA astronomer Dan Harris, who very sadly passed away in December, 2015, after a long and productive career. His CfA teammates on this project, Dan Schwartz with Nicholas Lee and Aneta Siemiginowska, worked to finish the research together with an international team of colleagues. The scientists undertook a detailed, high spatial resolution study of the straight, three hundred thousand light-year long jet in this quasar using multiwavelength data from the Chandra (X-ray), Spitzer (infrared), and Hubble (optical) space observatories as well as from the Very Large Array (radio).


The combination of multiwavelength observations with high spatial resolution enabled the team to measure the characteristics of the emission systematically in ten distinct knots along the jets. They find that both the magnetic field strength and the particle velocities are (remarkably) quite constant all along the length of this jet, at least when presuming the scattering process dominates. But the scientists are not able to exclude magnetic effects as producing some of the X-ray emission. They do conclude, however, that for the magnetic process to be active, any electrons contributing to it must belong to a separate population that is distinct from the electrons that dominate the scattering.


Reference(s):




“A Multi-band Study of the Remarkable Jet in Quasar 4C+19.44,” D. E. Harris, N. P. Lee, D. A. Schwartz, A. Siemiginowska, F. Massaro, M. Birkinshaw, D. M. Worrall, C. C. Cheung, J. M. Gelbord, Svetlana G. Jorstad, Alan P. Marscher, H. Landt, H. Marshall, E. S. Perlman, L. Stawarz, Y. Uchiyama, and C. M. Urry, ApJ 846, 119, 2017.



Bronze navicella-type fibula (safety pin), Greek and Roman…


Bronze navicella-type fibula (safety pin), Greek and Roman Art


Medium: Bronze


Gift of Mr. and Mrs. Jonathan P. Rosen, 1991

Metropolitan Museum of Art, New York, NY


http://www.metmuseum.org/art/collection/search/256016


brooklynmuseum: Hi, DC! Divine Felines: Cats of Ancient Egypt is…


brooklynmuseum:



Hi, DC! Divine Felines: Cats of Ancient Egypt is now on view at the Smithsonian’s Freer and Sackler Galleries until January 15. Ranging from domesticated cats to mythic symbols of divinity, the exhibition highlights the important role of cats in ancient Egyptian imagery. If you have a friend in the area who you think will enjoy the show, share this with them and tell them to check it out!



Posted by Gwen Arriaga
Weight in Form of a Cat, 305-30 B.C.E., bronze, silver, lead, Brooklyn Museum. Charles Edwin Wilbour Fund, 37.424E




renaissance-art: Andrea del Verrocchio c. 1483-1485Alexander…



renaissance-art:



Andrea del Verrocchio c. 1483-1485


Alexander the Great



The Crucible by Brian Sum


The Crucible by Brian Sum


-Anaxes- Star Wars: The Clone Wars Concept by Pat Presley


-Anaxes- Star Wars: The Clone Wars Concept by Pat Presley


Red rooster by Col Price


Red rooster by Col Price


Haumea dwarf planet has a ring to it: study

Move over Saturn! Scientists have found a ring around an unassuming mini-planet in our Solar System to debunk the theory that only giant planets can be so adorned. Artistic concept of Haumea and its ring system with correct proportions for the main body and the ring. The ring is located 

at a distance of 2287 km with respect to the center of the ellipsoidal main body and it is darker than the surface of Haumea. 

It was…


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