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Scientists have created a fluid with “negative mass” which they claim can be used to explore some of the more challenging concepts of the cosmos.

Washington State University physicists explained that this mass, unlike every physical object in the world we know, accelerates backwards when pushed.

The phenomenon, which is rarely created in laboratory conditions, shows a less intuitive side of Newton’s Second Law of Motion, in which a force is equal to the mass of an object times its acceleration (F=ma).

Continue reading “Physicists create mind-bending ‘negative mass’ that accelerates backwards and could help explain black holes” »

Astronomers have successfully peered inside a black hole to take an image of its event horizon. What does this new development from the Event Horizon Telescope means in testing Albert Einstein’s general theory of relativity?

NASA is funding Mach effect propulsion in the latest round of advanced concept projects.

Nextbigfuture has covered Woodwards Mach effect propulsion in dozens of articles.

They propose to study the implementation of an innovative thrust producing technology for use in NASA missions involving in space main propulsion. Mach Effect Thruster (MET) propulsion is based on peer-reviewed, technically credible physics. Mach effects are transient variations in the rest masses of objects that simultaneously experience accelerations and internal energy changes. They are predicted by standard physics where Mach’s principle applies – as discussed in peer-reviewed papers spanning 20 years and a recent book, Making Starships and Stargates: the Science of Interstellar Transport and Absurdly Benign Wormholes published recently by Springer-Verlag. These effects have the revolutionary capability to produce thrust without the irreversible ejection of propellant, eliminating the need to carry propellant as required with most other propulsion systems.

Continue reading “Mach Effects for In Space Propulsion: Interstellar Mission” »

AFTER training a network of telescopes stretching from Hawaii to Antarctica to Spain at the heart of our galaxy for five nights running, astronomers said Wednesday they may have snapped the first-ever picture of a black hole.

It will take months to develop the image, but if scientists succeed the results may help peel back mysteries about what the universe is made of and how it came into being.

“Instead of building a telescope so big that it would probably collapse under its own weight, we combined eight observatories like the pieces of a giant mirror,” said Michael Bremer, an astronomer at the International Research Institute for Radio Astronomy (IRAM) and a project manager for the Event Horizon Telescope.

Continue reading “The gravity and light-sucking monster weighs as much as 4 million suns” »

I wonder if people who were alive when Galileo first turned his telescope to the heavens in 1610, when he discovered the moons of Jupiter, realized that it was a seminal moment in human history. The discovery changed everything. It showed that not all celestial objects orbit the Earth and set the stage for adoption of the Copernican theory, which holds, of course, that the Earth orbits the sun and not the other way around. From that date onward, telescopes aimed at the sky became a staple of cosmology and a constant source of discovery and wonder for humanity.

It’s quite possible that people living in the distant future will view last year’s announcement of the discovery of gravitational waves as a similar turning point in humanity’s ability to observe and understand the cosmos.

Related: Earth-Sized Telescope May Let Us See Black Hole for First Time.

Continue reading “These ‘waves’ may let us see the Big Bang’s earliest moments” »

April 12 (UPI) — A new composite image captured by researchers at the University of Waterloo in Ontario, Canada, offers proof galaxies are connected by a web of dark matter.

The universe’s cosmic web of dark matter has remained elusive, but Waterloo researchers were able to tease out its existence by tracing a weak gravitational lensing.

Typically, astronomers used gravitational lensing events to study the light from distant galaxies as the beams are warped by massive galactic structures. But the gravity of smaller cosmic objects can bend light, too — including strands of dark matter.

Continue reading “Image confirms galaxies are connected” »

Researchers in the US say they’ve created a fluid with negative mass in the lab… which is exactly as mind-bending as it sounds.

What it means is that, unlike pretty much every other known physical object, when you push this fluid, it accelerates backwards instead of moving forwards. Such an oddity could tell scientists about some of the strange behaviour that happens within black holes and neutron stars.

But let’s take a step back for a second here, because how can something have negative mass?

Continue reading “Physicists Say They’ve Created a Fluid With ‘Negative Mass’” »

By Leah Crane

Break out the censor’s black bars for naked singularities. Quantum effects could be obscuring these impossible predictions of general relativity, new calculations show.

Albert Einstein’s classical equations of general relativity do a fairly good job of describing gravity and space-time. But when it comes to the most extreme objects, such as black holes, general relativity runs into problems.

Continue reading “Quantum effects cloak impossible singularities with black holes” »

Once upon a time, two black holes collided, releasing energy which undulates across the universe. Little is known about these reverberations — dubbed “gravitational waves” — including how they were formed in the first place. However, a University of Birmingham astrophysicist told Sputnik science may now have the beginnings of an answer.

It’s believed that around 1.3 billion light years away from Earth, two black holes cataclysmically collided, releasing energy — gravitational waves — which undulates across the universe like ripples in a pool.

Gravitational waves had long been speculated upon, and were a major prediction of Albert Einstein’s 1915 general theory of relativity, but the existence of these wrinkles in the fabric of space-time was only confirmed in September 2015.

Continue reading “Mystery of How Black Holes Collide and Merge Starting to Unravel” »