Posts tagged with ‘physics

MIT physicist says consciousness may be a state of matter

Even as much as we know in the 21st century about the universe, the human body and the world around us, consciousness remains a tricky, tricky thing to pin down. Things that have consciousness can store information, retrieve it effectively and use that information on the fly as the situation demands it, but computers can do that, but computers are a long, long way from having any kind of consciousness. So what is consciousness? MIT’s Max Tegmark believes that consciousness may be a “state of matter” of sorts, one that fluctuates rapidly between all kinds of phase states based on certain mathematical criteria.

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Science discovers a particle that could be a new form of matter. No biggie.

It’s called a tetraquark, and it could be a new form of matter only found in the heart of neutron stars and theoretically, quark stars:

Very simply, the traditional model of a neutron star is that it is made of neutrons. Neutrons consist of three quarks (two down and one up), but it is generally thought that particle interactions within a neutron star are interactions between neutrons. With the existence of tetraquarks, it is possible for neutrons within the core to interact strongly enough to create tetraquarks. This could even lead to the production of pentaquarks and hexaquarks, or even that quarks could interact individually without being bound into color neutral particles. This would produce a hypothetical object known as a quark star.

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How do X-rays help us uncover the molecular basis of life?

In the second part of this mini-series, Professor Stephen Curry takes us on a journey into the Diamond Light Source, one of the UK’s most expensive and sophisticated scientific facilities.

And now, this is what it looks like when you drop a neodymium magnet into a fat copper tube

Sorcery!

Science fiction stories with good astronomy and physics

This is a selective list of some short stories and novels that use more or less accurate science and can be used for teaching or reinforcing astronomy or physics concepts. Included are both traditional “science-fiction” and (occasionally) more serious fiction that derives meaning or plot from astronomy or physics ideas.

See the full list here

Afternoon science: Just how big is the universe anyway?

Really really big. And there may be lots and lots of them.

Big Bang Discovery Opens Doors to the “Multiverse”
Gravitational waves detected in the aftermath of the Big Bang suggest one universe just might not be enough.
Bored with your old dimensions—up and down, right and left, and back and forth? So tiresome. Take heart, folks. The latest news from Big Bang cosmologists offers us some relief from our humdrum four-dimensional universe.
Gravitational waves rippling through the aftermath of the cosmic fireball, physicists suggest, point to us inhabiting a multiverse, a universe filled with many universes. 
Continue Reading

Big Bang Discovery Opens Doors to the “Multiverse”

Gravitational waves detected in the aftermath of the Big Bang suggest one universe just might not be enough.

Bored with your old dimensions—up and down, right and left, and back and forth? So tiresome. Take heart, folks. The latest news from Big Bang cosmologists offers us some relief from our humdrum four-dimensional universe.

Gravitational waves rippling through the aftermath of the cosmic fireball, physicists suggest, point to us inhabiting a multiverse, a universe filled with many universes. 

Continue Reading

Courtney Love discovers direct evidence of Big Bang cosmic inflation, and by Courtney Love, I mean scientists

image

Researchers from the BICEP2 collaboration today announced the first direct evidence for this cosmic inflation. Their data also represent the first images of gravitational waves, or ripples in space-time. These waves have been described as the “first tremors of the Big Bang.” Finally, the data confirm a deep connection between quantum mechanics and general relativity.

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Scientists create a quantum quasi-particle called the dropleton, close cousin of the Carlton

Physicists in Germany and the US developed an entirely new kind of particle that doesn’t exist in nature, called a dropleton. 

Writing in the journal Nature, they said it behaves a bit like a liquid droplet and described it as a quasiparticle — an amalgamation of smaller types of particles.

The discovery, they added, could be useful in the development of nanotechnology, including the design of optoelectronic devices. These include things like the semiconductor lasers used in Blu-ray disc players.

The microscopic quantum droplet does not dawdle. In the physicists’ experiments using an ultra-fast laser emitting about 100 million pulses per second, the quantum droplet appeared for only about 2.5 billionths of a second.

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The best explanation of the Big Bang in a little over five minutes

This video is one of the best quick explanation of the Big Bang you’ll hear this week.

Eye of the Tiger…err, chicken: New state of matter found in chicken eyes
From the article:
"Along with eggs, soup and rubber toys, the list of the chicken’s most lasting legacies may eventually include advanced materials, according to scientists. The researchers report that the unusual arrangement of cells in a chicken’s eye constitutes the first known biological occurrence of a potentially new state of matter known as ‘disordered hyperuniformity,’ which has been shown to have unique physical properties."
My first question is, can this new state of matter be breaded and deep-fried?
Read more here:
Thanks to Wageslavery for the link

Eye of the Tiger…err, chicken: New state of matter found in chicken eyes

From the article:

"Along with eggs, soup and rubber toys, the list of the chicken’s most lasting legacies may eventually include advanced materials, according to scientists. The researchers report that the unusual arrangement of cells in a chicken’s eye constitutes the first known biological occurrence of a potentially new state of matter known as ‘disordered hyperuniformity,’ which has been shown to have unique physical properties."

My first question is, can this new state of matter be breaded and deep-fried?

Read more here:

Thanks to Wageslavery for the link

Free Running Stuntman Damien Walters Performs the First-Ever Human Loop-the-Loop on Foot

Via

Find out whether you could survive an asteroid the size of a school bus with Impact Earth!

Ever been sitting around wondering if you could survive the impact of meteorite the size of your house if it landed in the next town over? I know I have. Time to bring the science. Purdue University’s interactive tool has its drawbacks, and it’s more data driven than visual, but it’s still fun.

Link

New theory suggests that instead of a bang, the universe emerged from a long, deep freeze

Conventional thinking has it that the universe and all the matter within it exploded out from a single point, the so-called Big Bang Singularity. But a German theoretical physicists says this never happened. Instead, the universe started empty and cold, slowly emerging from a deep freeze.

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