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Wednesday, July 31, 2013

Surviving a Zombie Apocalypse: Just Do the Math

This equation could spell your doom: (bN)(S/N)Z = bSZ. That is, if you ever found yourself in the midst of a zombie pandemic.

That's because the calculation describes the rate of zombie transmission, from one walking dead individual to many, according to its creators, Robert J. Smith?, a mathematics professor at the University of Ottawa who spells his name with a "?" at the end, and his students.

Big Bang Light Reveals Minimum Lifetime of Photons

The notion of the speed of light as the cosmic speed limit is based on the assumption that particles of light, called photons, have no mass. But astrophysical observations cannot rule out the slim chance that photons do have a tiny bit of mass—a prospect with wide ramifications in physics. For instance, if photons weigh nothing at all, they would be completely stable and could theoretically last forever. But if they do have a little mass, they could eventually decay into lighter particles. 

SpaceX wins bid to launch Canadian radar satellites

Privately owned Space Exploration Technologies was selected to launch a trio of Canadian radar satellites aboard a single Falcon 9 rocket, the company announced on Tuesday.

The California-based firm, also known as SpaceX, already is flying NASA cargo to the International Space Station, a permanently staffed research outpost that flies about 250 miles above Earth.

NASA Astronaut Says Spacesuit Water Leak Was 'Scary Situation'

The mysterious leak that cut a spacewalk short two weeks ago was apparently as frightening as it looked to those of us watching on NASA TV.

On July 16, NASA astronaut Chris Cassidy and his European colleague Luca Parmitano hustled back inside the International Space Station after water began filling Parmitano's helmet

Stunning New Photo of Andromeda Galaxy Taken by New High-Res Instrument

A new portrait of the Milky Way's neighbor, Andromeda, shows our twin galaxy in a whole new light thanks to a new instrument on Japan's Subaru telescope at the summit of Hawaii's Mauna Kea.

The instrument, called the Hyper-Suprime Cam (HSC), provides sharp images of the cosmos across a wide field of view. 

Monday, July 29, 2013

Slingatron just throw cargo into orbit

Mankind has more than half a century sends a rocket into space, but it costs a lot of money. Therefore, there is a new idea that should simplify things.

Company HyperV Technologies Corp. Virginia through Kickstarter hopes to raise money to build a high-speed mechanical accelerator masspod name Slingatron. 

Virtual glasses and drones together in Oculus Rift FPV

Since started shipping the first sets of Oculus Rift, in a number of creative models of virtual reality glasses together with other devices to form a completely new devices.

Although most have done a good job of immersing users into the virtual environment, the latest project from Intuitive Aerial can provide unique insights into the real world. 

Wind Vault House catches the wind

Keeping cool in tropical Singapore could be the whole problem, even if someone decides to turn to expensive and wasteful air conditioners to complete.

So when Wallflower Architecture and Design began to create Wind Vault House in the island nation, the company has established an elaborate system of passive cooling.
                                     
A bit like a store Wind Vault House to be honest, so far very attractive building. 

Astronomers are digging under the brown dwarfs

Astronomers have focused all their attention on brown dwarfs, trying to uncover all of their secrets. Despite the fact that brown dwarfs are not the full-fledged stars, and substars and occupy an intermediate niche between these massive stars and planets, they cause enormous interest among scientists. Astronomers from around the world are trying to figure out what is more like brown dwarfs: the planets or stars. What a performance they made more or are they still are an entirely different stage of development than the traditional brown dwarfs and planets. In addition, the astronomers looking for protoplanetary disks around brown dwarfs, and the worlds that are formed in these disks.

Hubble Space Telescope photographed a few nearby galaxies

This galaxy is like a giant funnel that sucks in everything that falls into it. According to the scientists, "Whirlpool" - is a classic spiral galaxy diameter of 100 thousand light-years. It is a favorite subject of Earth observation from amateur astronomers, since it has contrasting branches, because of which it is perfectly visible through a telescope.

Hubble has also managed to remove the flash bright star in the galaxy M59 (pictured below). 

Sunday, July 28, 2013

The bottom of the path from the Martian mountains "Point Solander"

The rover Opportunity starts climbing the hilly area and is making his way to his first mountain-called "Point Solander." This will be the first "mountain" climbing to the rover. As expected, scientists, the view from the surface of the hill must be impressive.

Currently, the rover has done only a few short "steps" to the south, from his landing on the north side, and so far passed through a relatively flat plain along the rim of the crater rim of Endeavour. The rover is at a distance of only about 180 meters from the mountain, "Solander Point."

The third brightest supernova discovered in the spiral galaxy M74

M74 is a classic spiral galaxy with arms that rotate their bright shimmering light, the stars with very dense cores. The galaxy is at a distance of 32 million light-years from Earth in the constellation of Pisces. M74 contains about 100 billion stars. The spiral arms are dotted with dense star clusters and pink clouds of fluorescing hydrogen gas.

NASA selects the 8 best research proposals

NASA will fund the program for which you will be competitively selected eight-developed proposals for research on how complex fluids and macromolecules behave in microgravity. Experiments in this research will be conducted aboard the International Space Station.

These experiments and research should be the basis on which NASA scientists and engineers will need to find solution to the problems facing man in space, 

Saturday, July 27, 2013

Super-dense neutron stars and their secrets

Scientists have new clue to the strange operation of neutron stars - these objects are so dense that they compress the mass of several suns in the space of less than a terrestrial city.

Neutron stars are born when a massive star runs out of fuel for nuclear fusion and decay. They cast off its outer layers, and their nuclei are compressed by gravity and become denser and denser. 

Friday, July 26, 2013

The new telescope IRIS transmits the first data about the mysterious region of the Sun

The newest solar observatory NASA IRIS has received the first data of the lowest layers of the solar atmosphere; it is mysterious and yet poorly understood sunny area.

Data obtained in just 21 hours after the preparation and inclusion of the telescope had already reveal new details about the lower layers of the solar atmosphere. 

Thursday, July 25, 2013

Ariane-5 led 2 satellites into orbit

July 25 this year at 23:54 MSK to launch space complex ELA-3 launch vehicle launched from Kourou Ariane-5 with satellites Alphasat (Inmarsat XL) and INSAT-3D.

After 2:25 minutes after the launch rocket boosters separated at 3:18 min folded fairing / TD / 9 minutes separated the first stage, after 27 minutes, the spacecraft Alphasat separated from the 2nd stage of the launch, and by 29 th INSAT-3D. Both satellites successfully uncovered the solar panels / SB /.

The new film Gravity will talk about dizzying disaster ... in orbit!

If you have ever been a witness or, God forbid, any member of a transport accident, you know that even minor accidents can result in severe and terrible consequences.

Desperate to regain control over their own movements, at this point you may feel that this is not possible, 

Shed light on the brightest objects in the universe

The Dartmouth team of astrophysicists discovered the extent to which the quasars and black holes can influence their own galaxy.

The team plans to publish an article in Astrophysical Journal, which details made ​​the discovery and research based on the constant lookout for 10yu quasars. Researchers have documented enormous capacity for radiation from quasars, which reach for many thousands of light-years distant, even beyond their own galaxies.

Wednesday, July 24, 2013

Mayan Discovery: Ancient Monument Reveals Royal Struggle

A nearly 1,500-year-old Mayan stone monument, inscribed with a story of an ancient power struggle, has been unearthed in Guatemala.

The stone slab, which dates to A.D. 564, was found in a small tunnel that adjoins the tomb of an ancient queen beneath the Mayan temple at the site of El Peru-Waka'.

NASA wants to exceed the speed of light

Nobody is surprised that NASA wishes to exceed the speed of light, which to our knowledge is the fastest in the universe. Most potentially habitable planets found the U.S. space agency are several light years away, meaning that for many years we would need to travel at the speed of light to reach them. This is no doubt a problem, because currently we are not able to achieve even a tenth of the speed of light, although the agency supergeniuses already working on it.

Physicist Harold G. White hopes to use speed travel "warp" (or push warp ) to exceed the speed of light. 

Tuesday, July 23, 2013

Why does the universe have fewer dwarf galaxies which should?

Turn and shoot the Question: "What about the sun?". "He went to sleep," his mother answered thinking an explanation that satisfies the curiosity of his three years. "He night," says halfway between the statement and the question and question again looking at the sky: "What about the moon? In these sentences, little seems to sum up, with its childlike simplicity-the concerns, from primitive man to the present day, led mankind to observe the sky for answers to many questions.

Monday, July 22, 2013

Probe NASA image of Earth is 1.5 billion km

NASA released the first images of the Earth from untreated about 1.5 billion kilometers. The record was made by the Cassini spacecraft, orbiting Saturn, and will make part of a mosaic that shows the giant planet and our planet.

Mars suffered early loss of most of the atmosphere

When I was a young man with less than 500 million years ago, Mars suffered a catastrophe that hung its magnetic field, leave it exposed to strong solar winds and caused him to lose most of its atmosphere. This is the most plausible story for children on the planet, according to the latest findings of the rover Curiosity.

The conclusion is in two studies published today in the journal "Science" that reveal with unprecedented precision the composition of air on Mars.

A study warns that sea level may rise 20 meters by the end of the century

The ice of the Antarctic "is much more sensitive" to climate changes than estimated, according to a scientific study which says that sea level could rise 20 meters to the end of the century if this area, the West Antarctic and Greenland, were to melt as in the Pliocene.

These are two of the findings of an international study published in the journal Nature Geo science, led by researchers from Imperial College London and Spanish participation.

Chemically induced pluripotent stem cells

Scientists have been able to reprogram the mature human stem cells, using only the chemical compound (without genetic manipulation).

A new method of obtaining cells are as versatile as embryonic stem cells, reduces the risk of developing cancer or of mutations that can occur as a result of stem cell therapies, "reprogrammed" with the introduction of additional genes.

Since then, in 2006, it was announced the discovery of induced pluripotent stem cells ( iPSCs ), scientists have sought to reduce the number of additional genes required for such cells. But it is always required at least one encoding a protein Oct-4 .

Fourth domain for a new form of life

The famous anecdote "On board the space station discovered a giant virus that infected Soviet cosmonaut" may be not so absurd: Biologists have discovered a virus of such size that they have no right to believe in it.

Initially called it simply - NLF, a new form of life (New Life Form). Strange body, a dedicated French microbiologist from sea water samples, pick up off the coast of Chile, infects the simplest - amoebas. Soon, the same body showed up and in Australia.

Sunday, July 21, 2013

Student Engineers Spark Zero-Gravity Fires on Weightless Wild Ride

Gravity, we have defied you. Seven university student teams from across the United States escaped the pull of Earth's gravity — if only for a few seconds — on a NASA microgravity flight to see how fire, liquids and magnets behave in weightlessness.

The students flew with NASA's Microgravity University Program Friday (July 19) aboard a Zero Gravity Corporation Boeing 727 jet modified to fly up and down on a parabolic path to create up to 30 seconds of zero gravity, moon gravity or Martian gravity on the downswing followed by periods of "hypergravity" (twice Earth's pull) on the way back up.

How to Survive a Lightning Strike

There's a club open to people from all around the world, but you wouldn't want to join: The club is exclusively for people who've survived a lightning strike.

Lightning strikes kill about 24,000 people worldwide each year, and about 240,000 people are injured by lightning and survive.

Rare Particle Discovery Dims Hopes for Exotic Theories

Physicists have measured an extremely rare particle decay inside the world's largest atom smasher — a discovery that bolsters the leading model of particle physics and leaves little room for undiscovered particles beyond this theory.

Curiosity Rover Samples Air for a Taste of Mars History

It’s time to update the list of ingredients in Martian air.

In late 2012 NASA’s Curiosity rover drew air into its onboard laboratory and analyzed Mars’s atmospheric composition with a pair of spectrometers. The results of the investigation, published July 19 in Science, revise decades-old data on the makeup of Red Planet air and paint a broad picture of how the atmosphere has changed since the planet’s formation.

Physicists unveil results helping explain the universe

After a quarter-century of searching, scientists have nailed down how one particularly rare subatomic particle decays into something else — a discovery that adds certainty to our thinking about how the universe began and keeps running.

The world's top particle physics lab said Friday it had measured the decay time of a particle known as a Bs (B sub s) meson into two other fundamental particles called muons,