Black
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Chemistry
After all, black plastic kitchen utensils aren’t that toxic: But you should still throw them away, says group
Credit: Pixabay/CC0 Public Domain A recent study that recommended immediate disposal of toxic chemicals in black plastic products contained mathematical errors that greatly exaggerated the risk of contamination, but its authors stand by their conclusions. , warns against the use of such products. Experts from the non-profit Toxic Free Future, published in the peer-reviewed journal Chemosphere, found that flame retardants…
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Space & Cosmos
Discovery of distant blazars supports rapid black hole formation in the early universe
Artist’s impression of a bright, very early active galactic nucleus discovered by Bañados and his colleagues. This has fundamental implications for the growth of black holes during the first billions of years of cosmic history. Credit: NSF/AUI/NSF NRAO/B. Saxton Astronomers have discovered a key piece of the puzzle of how supermassive black holes were able to grow so quickly in…
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Science
Historians say the Midwest played a key role in black liberation movements around the world
The Midwest played an important role in the growth of the 20th century black freedom movement and the expansion of political activist Marcus Garvey’s ideas. Eric S. McDuffie, professor of African American studies and history at the University of Illinois at Urbana-Champaign, writes in his new book, “The Second Battle for Africa: Garveyism, America’s Heartland, and Black Freedom Around the…
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Physics
Extending the classical black hole inequality to the quantum domain
Scientists are studying the influence of quantum phenomena on the dynamics of black holes. Credit: NASA Goddard Space Flight Center/Jeremy Schnittman, cmglee. https://www.nasa.gov/feature/goddard/2019/nasa-visualization-shows-a-black-hole-s-warped-world. A recent study published in Physical Review Letters investigates quantum effects on the thermodynamics and geometry of black holes, focusing on extending two classical inequalities to the quantum realm. Black holes have been thoroughly studied through classical…
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Other Sciences
Broadcasting police communications can pose privacy risks, especially for Black men
Credit: Pixabay/CC0 Public Domain Police radio transmissions contain personally identifiable information and may pose a privacy risk to the public, especially black men, according to a new study by researchers at Penn State University and the University of Chicago. be. “This study provides insight into police activity as events unfold,” said Shomil Wilson, associate professor of information science and technology…
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Space & Cosmos
Black hole research questions Kerr solution assumptions
Left: A concrete realization of the Meisner-Sharp mass of Eq. (18) and parameters 𝑀0=10, ℓ=1, 𝑣𝑖=−20, 𝑣𝑓=1000, 𝑠1=1, 𝑠2=1/40. The radius of the outgoing shell is initially set to 𝑅(𝑣=30)=5. Right: As an illustrative example, the Meisner-sharp mass in the interior region of the output shell 𝑀+(𝑣,𝑅(𝑣)) 𝑚(𝑣)=−𝛽(1+𝜀cos(𝜔𝑣 ) )/𝑣)/𝑣𝑝 is 𝛽=1, 𝜔=1, 𝑝=2, 𝜀=0 (green solid line) or 𝜀=1…
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Other Sciences
Historical racism still negatively impacts perception of black art, study finds
Credit: Unsplash/CC0 Public Domain There is no doubt that historical racism has influenced the content and composition of some famous figurative paintings, as evidenced by the controversy surrounding the exhibition of Rex Whistler’s mural, In Search of Rare Meat (1927), at Tate Britain in March 2024. Critics questioned whether such artworks should be on public display. Originally commissioned by the…
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Other Sciences
Obama’s 2012 reelection linked to better mental health among educated black men, study suggests
Former President Barack Obama. Photo courtesy of the White House/Pete Souza A new study by Rice University sociologists finds that since Barack Obama was re-elected as US president in 2012, the mental health of college-educated black men has improved significantly, while the mental health of black men who did not attend college has worsened. “Four More Years! Or So What?…
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Space & Cosmos
Astronomers discover black hole is ‘starving’ its host galaxy
Astronomers have used the NASA/ESA James Webb Space Telescope to confirm that a supermassive black hole may be robbing its host galaxy of the fuel it needs to form new stars. Using Webb, an international team co-led by the University of Cambridge observed a galaxy roughly the same size as the Milky Way in the early universe, about 2 billion…
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Science
Researchers examine impact of Black Lives Matter movement on racial prejudice
Credit: Life Matters from Pexels The killing of George Floyd in 2020 reignited the Black Lives Matter movement, a mass social movement aimed at exposing and reducing structural racism and inequality in the U.S. The movement and coverage of it have had a profound impact on how white Americans think about black Americans, says postdoctoral researcher Max Primes. Primes’ research…
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