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Archive for the ‘physics’ category: Page 261

Jul 9, 2016

Fighting ISIS With an Algorithm, Physicists Try to Predict Attacks

Posted by in categories: information science, mathematics, physics

A new mathematical model aims to track the activity of Islamic State sympathizers online and determine when groups will turn from talk to action.

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Jul 8, 2016

Your cat probably understands basic physics

Posted by in category: physics

Cats are definitely smarter than dogs if this is true. Guess I should change my cat’s name from Dusty to Einstein or maybe Julius.


New research suggests that your cat might actually have a handle on some very basic physics, and can use it to help them hunt down hidden prey.

If the thought of your cat being better than you at physics — as well as being allowed to sleep all day — is getting you down, don’t worry, because we’re talking very simple cause-and-effect concepts here, and they only work when paired with cats’ extraordinary hearing and eyesight.

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Jul 3, 2016

Why there might be many more universes besides our own

Posted by in categories: cosmology, physics

The idea of parallel universes may seem bizarre, but physics has found all sorts of reasons why they should exist.

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Jun 29, 2016

This Tiny Camera Can Be Injected Into Your Body

Posted by in categories: electronics, physics

Get great shots of those hard to reach places.

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Jun 28, 2016

New Form Of Atomic Nuclei Just Confirmed, And it Suggests Time Travel is Impossible

Posted by in categories: physics, time travel

A group of scientists confirmed that there is a pear-shaped nucleus. Not only does this violate some laws in physics, but also suggests that time travel is not possible.

A new form of atomic nuclei has been confirmed by scientists in a recent study published in the journal Physical Review Letters. The pear-shaped, asymmetrical nuclei, first observed in 2013 by researchers from CERN in the isotope Radium-224, is also present in the isotope Barium-144.

This is a monumental importance because most fundamental theories in physics are based on symmetry. This recent confirmation shows that it is possible to have a nuclei that has more mass on one side than the other. “This violates the theory of mirror symmetry and relates to the violation shown in the distribution of matter and antimatter in our Universe,” said Marcus Scheck of University of the West of Scotland, one of the authors of the study.

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Jun 27, 2016

New Paper Claims EM Drive Works, Produces Light As Exhaust

Posted by in categories: physics, space travel

A new paper in AIP Advances argues that the controversial EM Drive doesn’t break physics as we know it, as it emits light (photons) as exhaust. However, other experts assert that it’s likely just an artifact.

Want to get people excited about science? Simple. Just post about EM Drive.

For those of you who may be new to the topic, EM Drive is a method of space travel that, if realized, would utterly transform our way of life. We could get to Mars in just 10 weeks (as opposed to the current 6+ month journey), and we could save a massive amount of money on fuel. We could have a truly viable space industry.

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Jun 27, 2016

Seeds of black holes could be revealed

Posted by in categories: computing, cosmology, physics

Gravitational waves captured by space-based detectors could help identify the origins of supermassive black holes, according to new computer simulations of the universe.

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Jun 27, 2016

Why gravitational wave detection may have also revealed dark matter

Posted by in categories: cosmology, physics

An old theory of dark matter may be gaining ground thanks to new analysis of LIGO’s historic gravitational wave discovery.

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Jun 27, 2016

The universe is crowded with black holes, astronomers predict

Posted by in categories: cosmology, physics

A new study published in Nature presents one of the most complete models of matter in the universe and predicts hundreds of massive black hole mergers each year observable with the second generation of gravitational wave detectors.

The model anticipated the massive black holes observed by the Laser Interferometer Gravitational-wave Observatory. The two colliding masses created the first directly detected gravitational waves and confirmed Einstein’s general theory of relativity.

“The universe isn’t the same everywhere,” said Richard O’Shaughnessy, assistant professor in RIT’s School of Mathematical Sciences, and co-author of the study led by Krzysztof Belczynski from Warsaw University. “Some places produce many more binary black holes than others. Our study takes these differences into careful account.”

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Jun 25, 2016

Science Council to make clear position on lifting military-linked research ban

Posted by in categories: law, military, physics, science, security

Interesting.


The Science Council of Japan will make clear its position on military-linked research — possibly overturning a decades-long ban — by early next year, the academic group said Friday.

A committee of 15 academics from fields ranging from physics, political science to law held its first meeting to discuss whether to revise statements released by the council in 1950 and 1967 stating that the group will “never engage in military research.”

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