Sucesos, Sociedad y ActualidadIt's Science, Bitch!!!!!

Adoradores de Margarita Landi (Q.E.P.D.), seguidores del Matías Prats, Gafa-Pastas afiliados a El Pais, histéricos del Diario de Patricia...
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Yongasoo
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Re: It's Science, Bitch!!!!!

Mensaje por Yongasoo » 12 Jul 2014 15:05

Primera fotografía de un átomo de hidrógeno:

Imagen

http://io9.com/the-first-image-ever-of- ... -509684901

Aunque en realidad lo que vemos es la nube de electrones o, mejor dicho, nube de electrón.

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Yongasoo
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Re: It's Science, Bitch!!!!!

Mensaje por Yongasoo » 08 Sep 2014 22:29

Cositas cienciosas para ver en estos próximos días:
Imagen


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Yongasoo
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Re: It's Science, Bitch!!!!!

Mensaje por Yongasoo » 01 Dic 2014 13:39

CERN Physicists Discover Two New Subatomic Particles

Scientists working at CERN's Large Hadron Collider near Geneva, Switzerland have discovered two never-before-seen subatomic particles, the nuclear research facility announced today.

Dubbed Xi_b'- and Xi_b*-, the particles are "heavyweight" particles known as baryons, CERN scientists said. Like the proton, the new particles are made up of three quarks but are more than six times as massive.

"This exciting discovery reveals two previously unobserved combinations of three quarks, filling in a further part of the jigsaw and allowing physicists to understand the workings of the strong force in greater detail,"... "This also lays the ground for hoped-for discovery of a particle which does not fit into the jigsaw, revealing what lies beyond the existing 'Standard Model' of particles and their interactions."


http://www.huffingtonpost.com/2014/11/1 ... 84878.html

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Yongasoo
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Re: It's Science, Bitch!!!!!

Mensaje por Yongasoo » 06 Ene 2015 14:40

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ENNAS
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Re: It's Science, Bitch!!!!!

Mensaje por ENNAS » 18 Ene 2015 13:08


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Mr. Blonde
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Re: It's Science, Bitch!!!!!

Mensaje por Mr. Blonde » 23 Ene 2015 23:21

Dicen que esto vendría a ser algo bastante gordo, si se confirma.

http://www.iflscience.com/physics/speed ... ary-vacuum
| (• ◡•)| (❍ᴥ❍ʋ)

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Yongasoo
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Re: It's Science, Bitch!!!!!

Mensaje por Yongasoo » 07 Mar 2015 14:11

"A slower speed of light" is a game based on the open source, unity-based engine called OpenRelativity. Most, if not all, of the game was developed by MIT.

The game does literally what you think it does. The game takes special relativity and lowers the constant 'c' as you play along, so the counter-intuitive effects start happening at walking speeds.

What you get is a trippy game that allows people to experience special relativity. All the while remaining simple and without requiring too much computing power.

Effects include, but are not limited to:

Time dilation
Length contraction
Thomas rotation
Headlight effect
Relativistic doppler effect
Relativistic abberation



Imagenes acá: http://imgur.com/gallery/WXAbo

Links de descarga de gratir acá: http://gamelab.mit.edu/games/a-slower-speed-of-light/


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Yongasoo
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Re: It's Science, Bitch!!!!!

Mensaje por Yongasoo » 20 Mar 2015 21:00

New Alzheimer's treatment fully restores memory function

Imagen

Australian researchers have come up with a non-invasive ultrasound technology that clears the brain of neurotoxic amyloid plaques - structures that are responsible for memory loss and a decline in cognitive function in Alzheimer’s patients.

If a person has Alzheimer’s disease, it’s usually the result of a build-up of two types of lesions - amyloid plaques, and neurofibrillary tangles. Amyloid plaques sit between the neurons and end up as dense clusters of beta-amyloid molecules, a sticky type of protein that clumps together and forms plaques.

Neurofibrillary tangles are found inside the neurons of the brain, and they’re caused by defective tau proteins that clump up into a thick, insoluble mass. This causes tiny filaments called microtubules to get all twisted, which disrupts the transportation of essential materials such as nutrients and organelles along them, just like when you twist up the vacuum cleaner tube.

As we don’t have any kind of vaccine or preventative measure for Alzheimer’s - a disease that affects 343,000 people in Australia, and 50 million worldwide - it’s been a race to figure out how best to treat it, starting with how to clear the build-up of defective beta-amyloid and tau proteins from a patient’s brain. Now a team from the Queensland Brain Institute (QBI) at the University of Queensland have come up with a pretty promising solution for removing the former.

Publishing in Science Translational Medicine, the team describes the technique as using a particular type of ultrasound called a focused therapeutic ultrasound, which non-invasively beams sound waves into the brain tissue. By oscillating super-fast, these sound waves are able to gently open up the blood-brain barrier, which is a layer that protects the brain against bacteria, and stimulate the brain’s microglial cells to move in. Microglila cells are basically waste-removal cells, so once they get past the blood-brain barrier, they’re able to clear out the toxic beta-amyloid clumps before the blood-brain barrier is restored within a few hours.

The team reports fully restoring the memories of 75 percent of the mice they tested it on, with zero damage to the surrounding brain tissue. They found that the treated mice displayed improved performance in three memory tasks - a maze, a test to get them to recognise new objects, and one to get them to remember the places they should avoid.

"We’re extremely excited by this innovation of treating Alzheimer’s without using drug therapeutics," one of the team, Jürgen Götz, said in a press release. "The word ‘breakthrough’ is often misused, but in this case I think this really does fundamentally change our understanding of how to treat this disease, and I foresee a great future for this approach."

The team says they’re planning on starting trials with higher animal models, such as sheep, and hope to get their human trials underway in 2017.

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