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Archive for the ‘physics’ category: Page 228

Feb 28, 2018

First light which ever shone in universe picked up

Posted by in categories: physics, space

T he first light which ever shone in the universe has been detected by astronomers scouring the skies for the earliest stars.

Using a simple radio antenna positioned in the quietest place on Earth — the western Australian desert — scientists picked up a signal of the long-sought ‘cosmic dawn.’

The breakthrough was described as ‘revolutionary’, ‘trailblazing’ and the most important discovery in astronomy since the detection of gravitational waves in 2015.

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Feb 24, 2018

Physicists Have Confirmed a Pear-Shaped Nucleus, And It Could Ruin Time Travel Forever

Posted by in categories: cosmology, physics, space travel, time travel

Physicists have confirmed the existence of a new form of atomic nuclei, and the fact that it’s not symmetrical challenges the fundamental theories of physics that explain our Universe.

But that’s not as bad as it sounds, because the 2016 discovery could help scientists solve one of the biggest mysteries in theoretical physics — where is all the dark matter? — and could also explain why travelling backwards in time might actually be impossible.

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Feb 21, 2018

Astronomers Just Found Some of The Most Massive Black Holes Discovered in Our Universe

Posted by in categories: cosmology, evolution, physics

A study on dozens of galaxies within several billion light years of our own has revealed black holes that far exceed our expectations on just how big these monsters can grow.

The discovery not only helps us better understand the evolution of our Universe’s building blocks, it leaves us with a new intriguing question – just how do black holes like these get to be so incredibly massive?

By now, the collapsed cores of massive stars known as black holes need no introduction. We’ve heard about their cosmic crashes rippling space-time, watched them belch, and expect to capture the closest look yet at their nature very soon.

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Feb 20, 2018

Entangled universe: Could wormholes hold the cosmos together?

Posted by in categories: cosmology, physics

Weird connections through space-time might make reality real, giving us a promising new route to a theory of everything.

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Feb 16, 2018

Physics Creates New Form Of Light

Posted by in category: physics

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Feb 12, 2018

For the First Time, Physicists Accelerated Light Beams in Curved Space in the Lab

Posted by in categories: physics, space travel

Physicists have demonstrated accelerating light beams on flat surfaces.

Where acceleration has caused the beams to follow curved trajectories.

However, a new experiment has pushed the boundaries of what’s possible to demonstrate in a lab. For the first time in an expeirment, physicists have demonstrated an accelerating light beam in curved space. Instead of traveling along a geodesic trajectory (the shortest path on a curved surface) it bends away from this trajectory due to the acceleration.

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Feb 11, 2018

Gravitational waves have let us see huge neutron stars colliding

Posted by in category: physics

We’ve taken the first pictures of neutron stars colliding 130 million light years away. The resulting gravitational waves may solve some big cosmic mysteries.

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Feb 6, 2018

Theoretical physicists manipulate light with nanoscale objects

Posted by in categories: nanotechnology, physics

Credit: University of New Mexico For years, scientists have long wrestled with the control and manipulation of light, a long-standing scientific ambition with major implications for the development of technology. With the growth in nanophotonics, scientists are making gains faster than ever exploiting structures with dimensions comparable to the wavelength of light. Scientists at The University of New Mexico studying the field of nanophotonics are developing new perspectives never seen before through their research. In turn, the understanding of these theoretical concepts is enabling physic…

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Feb 3, 2018

Physicists Spot Evidence of ‘Odderon’ First Predicted in the 1970s

Posted by in category: physics

Scientists have uncovered some preliminary evidence for a nuclear physics effect first predicted back in the 1970s. The physics universe you’re about to enter into in order to understand it is especially mind-bending.

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Feb 2, 2018

Physicists Just Found a New Way to Bend a Fundamental Rule of Light Waves

Posted by in category: physics

One of the more well-known rules in physics is that light can only ever go one speed, so long as nothing stands in its way.

But new research has found there could be an interesting exception to this rule, where the mixing of light waves could bring them to a complete standstill.

The discovery hints at new ways of wrangling not just photons but nearly any kind of wave, which could be useful in technology that relies on information sent and stored using light.

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