NASA’s Perseverance rover has discovered a highly unusual rock lying on the surface of Mars. The lumpy boulder, which has a metal-rich composition, is most likely a meteorite that crash-landed on the Red Planet — and it’s the first one that…
Category: 7. Science
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Light-Based Logic Gate Created In Soft Material
Fariha Mahmood of McMaster University, alongside Anna C. Balazs and Victor V. Yashin from the University of Pittsburgh, have demonstrated the first functionally complete NAND logic gate constructed entirely within a soft material using visible…
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Deep learning assessment of street spatial quality in old residential communities of Wuchang, Wuhan, China
Gehl, J. Cities for People (Island, 2013).
Row, A. T. & The death and life of great american-cities – Jacobs J. Yale Law Journal 71, 1597–1602, doi:https://doi.org/10.2307/794509 (1962).
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What if a small black hole devoured you?
View larger. | Artist’s concept of a black hole system containing a dormant black hole orbiting a massive companion star. A researcher at Vanderbilt University examined what would happen to the human body in an encounter with a small black… Continue Reading
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Giant ‘diamond ring’ sparkles 4,500 light-years away in the Cygnus constellation — Space photo of the week
QUICK FACTS
What it is: A ‘cosmic ring’ — an expanding gas bubble of ionized carbon.
Where it is: 4,500 light-years away in the constellation Cygnus (the swan).
When it was shared: Nov. 17, 2025
This striking image reveals a glittering cosmic…
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Quantitative modeling of the non-monotonic sensitivity of defect-engineered graphene sensors
Fine, G. F., Cavanagh, L. M., Afonja, A. & Binions, R. Metal oxide semi-conductor gas sensors in environmental monitoring. Sensors 10, 5469–5502 (2010).
KorotÄenkov, G. S. Handbook of Gas…
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Uranus Just Got Brighter — Here’s Exactly Where And When To Look
With Earth directly between Uranus and the Sun, the seventh planet has reached opposition, making it visible all night long.
getty
It’s the third-largest planet in the solar system, but Uranus is one of the most overlooked by skywatchers. Nearly…
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The Sky Today on Sunday, November 23: Spy the Silver Sliver
The Silver Sliver Galaxy is a lovely sight in Andromeda the Princess. View this edge-on spiral in a dark sky with no Moon later tonight.
- On…
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A high-altitude telescope just changed what we know about black holes
An international group of physicists, including scientists from Washington University in St. Louis, has gathered new measurements that shed light on how black holes draw in surrounding material and release tremendous amounts of radiation and…
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A high-altitude telescope just changed what we know about black holes
An international group of physicists, including scientists from Washington University in St. Louis, has gathered new measurements that shed light on how black holes draw in surrounding material and release tremendous amounts of radiation and…
Continue Reading