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David harvey News

Dark matter interaction with itself is 'tiny-but-not-zero' Special

Durham - Recent claims assert dark matter both "does not" and "does" interact with itself. Instrumental in both studies, Dr. Richard Massey sheds light on their meaning, conducted as bookends squeezing dark matter from top and bottom to find what dark matter is.

Op-Ed: David Harvey on Piketty's 'Capital in the 21st Century'

New York - Thomas Piketty is a professor at the Paris School of Economics. His new book "Capital in the Twenty-First Century" has been well received especially from liberals and leftists because of its well-documented analysis of inequality over two centuries.

How to uncover full potential of Toronto city parks

Toronto - One of the biggest challenges for Toronto's city parks is the word "No" coming out of decision-makers who resist change, according to a new report, Fertile Ground for New Thinking: Improving Toronto’s Parks published by the Metcalf Foundation.
 

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Collage showing images of six different Clusters of Galaxies taken with the NASA/ESA Hubble Space Te...
Collage showing images of six different Clusters of Galaxies taken with the NASA/ESA Hubble Space Telescope and NASA's Chandra X-ray Observatory. The clusters were observed in a study of how dark matter in clusters of galaxies behaves when the clusters collide. Seventy-two large cluster collisions were studied in total. The team determined that dark matter interacts with itself and everything else even less than previously thought.
NASA/ESA/STScI/CXC, D. Harvey (Ecole Polytechnique Federale de Lausanne, Switzerland; University of
Shown in blue on the image is a map of the dark matter found within the MACS cluster. This is a NASA...
Shown in blue on the image is a map of the dark matter found within the MACS cluster. This is a NASA/ESA Hubble Space Telescope image of the galaxy cluster MACS J0717.5+3745. This cluster was part of a study of 72 galaxy cluster collisions which determined that dark matter interacts with other dark matter even less than previously thought.
NASA, ESA, D. Harvey (École Polytechnique Fédérale de Lausanne, Switzerland), R. Massey (Durham U
Thomas Piketty is the author of a new book called:  Capital in the Twenty-First Century
Thomas Piketty is the author of a new book called: "Capital in the Twenty-First Century"
Screengrab / HuffPost
Using visible-light images from Hubble  the team was able to map the post-collision distribution of ...
Using visible-light images from Hubble, the team was able to map the post-collision distribution of the dark matter (coloured in blue) and also the post-collision distribution of stars. This collage shows NASA/ESA Hubble Space Telescope images of six different galaxy clusters. The clusters were observed in a study of how dark matter in clusters of galaxies behaves when the clusters collide. 72 large cluster collisions were studied in total. Clusters shown are, from left to right and top to botto
NASA, ESA, D. Harvey (École Polytechnique Fédérale de Lausanne, Switzerland), R. Massey (Durham U

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