Nov 222014

Spacecrat Philae made a stunning discovery during the 57 hours of operation on the surface of the Comet 67P/Churyumov–Gerasimenko before before its main battery discharged entirely making the systems shut down.

As part of ESA’s Rosetta space mission, robotic lander reportedly detected organic molecules containing the chemical element carbon, which is at the origin of life on Earth.

Comet 67PC-G Philae Rosetta

Comet 67P/C-G imaged by Rosetta’s OSIRIS camera on 7 August from a distance of 104 km. (Credit: ESA/Wikimedia Commons)

German researchers at the European Space Operations Center in Darmstadt, Germany, announced that Philae, which made the first-ever successful landing on a comet nucleus on November 12, 2014, was able to detect the presence of carbon-based organic compounds before losing communication and entering a sleeping state on November 15 at 0:36 UTC.

Scientists said that it is yet unclear whether the complex organic molecules include compounds that form proteins. One of the purposes of the Rosetta mission is to discover whether the life was brought to Earth by comets, via carbon-based organic chemical compounds.

Philae achieved the final touchdown on 67P/G-C comet’s surface after a 10-year-long journey on board Rosetta spacecraft, as part of a mission that aims at finding out more about how planets formed and even how life began.

Before running out of energy last Saturday, the robot sent out scientific data from a series of experiments that we performed automatically on comet’s surface.

DLR’s lander manager Stephan Ulamec said:
“Prior to falling silent, the lander was able to transmit all science data gathered during the First Science Sequence. … This machine performed magnificently under tough conditions, and we can be fully proud of the incredible scientific success Philae has delivered.”

Comets date back to formation of the Solar System and contain extremely old organic molecules, like a time capsule.

COSAC, a scientific instrument on board Philae, was able to “smell” comet’s atmosphere and detect the first organic molecules shortly after the lander reached the surface, according to the German Aerospace Center DLR.

Accordinto to Wikipedia, the COSAC instrument, whose name comes from the “COmetary SAmpling and Composition”, is a combined gas chromatograph and time-of-flight mass spectrometer to perform analysis of soil samples and determine the content of volatile components.

Philae conducted also a 25-cm-deep drill in search for organic molecules, but for now it is unclear whether it managed to provide COSAC with a sample of matter for analysis.

Reawakening perspectives!
Despite losing all communication capability, Philae has the chance to wake up by August 2015 as the comet flies much closer to the Sun in its orbit. During this time, lander’s solar panels might receive enough solar energy to allow ESA to reawaken it.

As the primary battery wound down “the European Space Agency decided to attempt to tilt the lander’s biggest solar panel toward the sun — a last effort that researcher believe may have paid off.” Philae project manager Stephan Ulmanec said a few days of sun on the solar panels is all it would need to resume collecting information.”
Credit photo: By European Space Agency (Comet 67P on 7 August (b)) [CC-BY-SA-2.0], via Wikimedia Commons

Nov 202014

Two new particles were discovered in experiments that made use of the particle accelerator LHC (Large Hadron Collider) , announced on Wednesday researchers at CERN, the European Organization for Nuclear Research headquartered in Geneva.

CERN Higgs event

CERN makes another breakthrough as 2 new particles are spotted (pic: CERN/Wikimedia)

The existence of two particles – called “Xi_b” and “Xi_b *” – was already predicted by theoretical models, but they have not been seen before.

The new particles are baryons, known as part of a family of subatomic particles who are best represented by famous protons and neutrons .

Baryons are made up of three quarks, elementary constituents bound together by “strong nuclear force”, one of the four fundamental interactions.

The existence of two new particles was highlighted thanks to experiments conducted in 2011 and 2012 with LHC particle accelerator , located at the border between Switzerland and France.

The study was made by Matthew Charles , a researcher at the Laboratory of Nuclear Physics of the CNRS – UPMC – Université Paris Diderot , in collaboration with a US researcher.

Measuring properties of the two new particles would “contribute to a better understanding of the strong force theory in the Standard Model of particle physics,” said CNRS ( National Center of Scientific Research in France ), in a statement.

Strong interaction or strong nuclear force is responsible for the cohesion of the nuclear matter .
Theoretical description of these interactions was a challenge for physicists for a long time.

Then, a breakthrough was achieved when scientists realized that they are associated with a geometric principle. Around 1970, Standard Model’s theoretical schema came out describing the fundamental particles of matter, the way they interact, and the forces that are exerted between them.

A particle of the same family, called “Xi_b*0″ was already spotted in 2012 by LHC – the largest particle accelerator in the world.

The same LHC alllowed the observations of the famous Higgs boson, which physicists see as the keystone to the fundamental structure of matter, an elementary particle that gives mass to a large number of other particles, according to the Standard Model theory.

LHC is currently in a preparation phase to operate with higher energy and more intense beams. Restarting particle accelerator is scheduled for Spring 2015.
Credit photo: By Lucas Taylor source file [CC-BY-SA-3.0], via Wikimedia Commons

Apr 142014

Particle physics researchers working on CERN’s Large Hadron Collider revealed the finding of a new type of matter called Tetraquark.

quark structure proton

LHC finds 4-quark structure called Tetraquark and thought to be new form of matter (Pictured here the Proton Quark Structure (By Arpad Horvath via Wikimedia)

Large Hadron Collider, world’s largest and most powerful particle smasher, examined the existence of a new particle dubbed Z(4430) a few days ago, according to New Scientist. Physicists had claimed that the particle might exist but yet they needed to spot it.

It is well known that identification of any particle is a step forward for scientists working in the field of high-energy physics, however Z(4430) turns out to be quite special because is seen as evidence of a new type of matter named tetraquark.

Quarks are among the fundamental building blocks of matter. The quarks usually combine in groups of two to form mezons, or three to form protons and neutrons, known as the constituents of the atomic nuclei. However, LHC researchers had hypothesized that four quarks could be mixed to generate a new type of matter: the tetraquark state.

Short history!
The newly discovered Z(4430) is one of a bunch of suspected tetraquarks that have been noticed in recent years. It was first unveiled by the Belle detector at the KEKB accelerator in Tsukuba, Japan, in 2008. But the particle’s existence was questioned after the BaBar detector at the SLAC accelerator in Menlo Park, California, was subsequently unable to see it.

But now Z(4430)’s existence is confirmed by the LHCb experiment, which is based at the LHC along with the set-up that observed the Higgs boson. LHC has verified 10 times as much data as either Belle or BaBar and claims to have found as many as 4000 of the particles.
The next step is to check whether Z(4430) is indeed a tetraquark

Mar 192014

2014 vows to bring the hardest times for mankind. The predictions are terrifying as the world would allegedly be shocked by natural disasters, president assassinations and incurable diseases.

Baba Vanga

Bulgarian mystic Baba Vanga released many predictions that came true (Photo: internet)

2014 is believed to be a turning point in humanity’s history. Plagues, wars and disasters threaten the world according to one of the most dreadful predictions that belongs to famed Bulgarian prophetess Baba Vanga.

Baba Vanga, a blind mystic and clairvoyant, foresaw for 2014 an epidemic of skin cancer that will decimate the planet’s population.

Furthermore, according to a Ukrainian engineer who deciphered Nostradamus quatrains, the year to come will be engulfed into violence. Four major world premiers will allegedly fall victims to terror attacks.

Prophecies go on even scarier. 2014 is getting even closer to mark the beginning of World War III, which will last 10 years. In addition, a cruel disease will add up to the catastrophic scenario. Europe faces depopulation as a result of use of chemical weapons and nuclear conflicts predicted by Nostradamus.

Also science fiction writer Isaac Asimov had a vision about 2014. Not so fatalistic, but surprisingly close to reality.
– Vehicles will have digital brains. They may think themselves for moving from one point to another.
– Visible communication: Phones will be equipped with cameras through which people are able to communicate.
– Scientists will developed and build 3D TVs showing images similar to reality.
– Increasingly fewer jobs left for people as machines will take over most tasks.
Isaac Asimov predicted also computers’ extremely great influence in the life of people who are able to learn and find information much faster.

Disturbing prophecies were made by Romanian priest Iustin Pârvu. Five days before dying, he said: “There are 12 months of freedom before the havoc comes.”

A nun from “Paltin monastery” claims that the confessor made the creepy prophecy and then fell silent forever, leaving no explanation to those who gathered around him.

“There are earthquakes to come, weaker or stronger. But there are some signs that prove our approximation”. Of the apocalypse arrival, Pârvu said that “only God knows”. The fact that we don’t move at all, staying in a kind of numbness, suggests that nothing is done, it looks like we are possessed by a spirit of stubbornness. We see with our eyes, hear with our ears and still do not believe. So I do not know what’s going to be next, but for now we’re in a very critical and dangerous for our salvation. This new civilization, new technique, where are all our efforts? They are buried in the mud on the bottom or waters,” said Justin Pârvu before his death.

Another visionary was the Romanian Orthodox monk, theologian and artist Arsenie Boca (1910-1989). He died before his country was stormed by the 1989 Revolution which he foretold. Boca was hunted by then odious Security and constrained to stay close to his holy church where turned into a mural painter.

Arsenie Boca

Father Arsenie Boca, an remarkable Romanian visionary, mystic and clairvoyant

In 1968, while working at the Drăgănescu church in Giurgiu County, Boca had several revelations that have since remained ciphered in the amazing artworks he painted at the holy place. One of the paintings shows bizarre objects that humanity developed many years after. Space Shuttle that people will see for first time in 1981, appears subtle in a prophetic painting. The modern man, who forgot God for the sake of concreteness, refuses invitation to dinner from Archangel Michael, thus signing own sentence …”

Besides the suggestive idea, Arsenie Boca left also written messages claiming that man and its science will bring the end of the world.

“I’m sorry that you that you are weak in faith. You will fall because of the fear. A fear induced by devil, but do not be afraid to save your souls. There will come very hard times, but everything is overseen by God, who is everyone’s companion in life, from birth to death. Also those elected will fall. I am sorry that you are the last. They will sieve you putting taxes and other restrictions. They’ll take everything! You should know that many will leave the country, but few will return. At one point they wish to come back but won’t be able, because Romania will be engulfed in fire,” prophesied Arsenie Boca.

Video: Draganesti chursh paintings, Arsenie Boca

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