We're Doomed

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Watch This !! June 29, 2009

Filed under: Earth — sapphire14 @ 2:10 pm

Hey,

Watch these exciting videos….

Ten Ways: Robots Inherit the Earth

http://science.discovery.com/videos/ten-ways-shorts-robots-inherit-the-earth.html

Super Volcanoes

http://science.discovery.com/videos/ten-ways-shorts-super-volcanoes.html

Doomsday Asteroid

http://science.discovery.com/videos/ten-ways-shorts-doomsday-asteroid.html

Monster Plague

http://science.discovery.com/videos/ten-ways-monster-plague.html

The Big freeze

http://science.discovery.com/videos/ten-ways-big-freeze.html

Invasion of the Grey Goo

http://science.discovery.com/videos/ten-ways-shorts-invasion-of-grey-goo.html

Killer Mutants

http://videos.howstuffworks.com/science-channel/30687-10-ways-the-world-will-end-killer-mutants-video.htm

 Bye,

 

Terminator Unleashed

Filed under: Uncategorized — sapphire14 @ 2:05 pm

Hey,

I have had really great time writing about these different means in which we might have a difficult time in surviving here on earth. I have penned about volcanic eruptions and extraterrestrial rocks that could strike our earth and the possibility that the sun might die. These events were out of the hands of humans to stop it but the one that I am going to talk about now is totally due to human actions; I am talking about robots taking over our world. This is story that first emerged in the terminator but as shocking as it is this is definitely possible.

Being in the 21st century, scientists have been developing many types of robots for manufacturing products and to do other actions, but these actions were programmed into the robots and they are not able to do anything else then what they are programmed to carry out. But scientists are beginning to work on artificial intelligence where they would be able to manipulate objects and navigate by themselves.

The robots at this point are mostly programmed to do activities. But since the discovery of mirror neurons in the early 1990’s, scientists have been curious about using these neurons and duplicate it into chips and add them to the robots to try and develop brains for the robot so that it can learn just like a child learning new things. There have been labs around America trying to achieve this but it is proving to be harder than thought. The iCub robot is one of these kinds of robots that is like a child and will learn from its experiences. The EU-funded RobotCub project is sending its 6 labs to train these iCub robots.

There has been a starfish shaped robot built which is teaching itself how to walk. But this has proved to be disappointing as it is learning to walk in its own way different from the ordered directions. This as caused some stir among the scientists as the robots although can teach itself is not following specific instructions, this could be a problem in a long run.

If robots start to learn about how things work and realize that they are more stronger and smarter than humans it’s not before they start attacking us and ruling the world. Well this is the theory of what will happen if robots gain intelligence. This is quite similar to another situation that is taking place on earth right now. We humans being more intelligent than the other creatures on this are taking control to how the animals live. We are taking away their habitat and creating more space for us. So can’t this happen with the robots too.

Well at this point this may be just a myth but no one can surely know what will happen in the future. So , we have to just hope that even if they develop this technology it is not going to end up in the wrong hands

Bye,

 

Glowing Out June 24, 2009

Filed under: Earth — sapphire14 @ 3:00 pm

Hey there, here I am again……

Hope you liked the last articles; now hear is another scenario which is definitely possible….

The sun, a glowing star in the middle of our solar system, providing the earth with the energy it needs to survive. Even though our sun is not the biggest out of the billions of stars around the galaxy, but it is just the right size for providing life on our earth with the light energy it needs to survive. The sun seems like a permanent object in the sky but technology has enabled us to see that stars also are born, live and grow, and die.

So, let’s first see the life cycle of a star. Our space may seem empty but it is actually filled with thinly spread gas and dust particle. In some places these gases and dust particles are close together in  big cloud. This is the birthplace of the star called the nebula. Our sun probably also started as a nebula about 5 billion years ago. Then the cloud of gas turns to a luminous globe of gas producing its own heat and light by nuclear reactions, this is called a star. This is known as the main sequence where the star spends most of its life. The third stage occurs when the outer layers called the planetary nebulae are lost and a large bright star with a cool surface is formed. This star is called the red giant; in its centre hydrogen and helium is running out but the star is brighter than the latter stage as it is large but the surface temperature is about 2000 – 3000 degrees Celsius when the star has a surface temperature from 2000 to above 3000 degrees Celsius. In this stage the star he core will collapse under its own weight and the outer layer will become unstable hence, expanding. This will probably happen to the sun in 4 billion years. The dying core eventually forms a white dwarf – a spherical diamond the size of the Earth, made of carbon and oxygen. From this point on the Sun will gradually fade away, becoming dimmer and dimmer until its light is finally snuffed out. If the star was slightly bigger than the sun it would die out with an explosion known as a supernova.

Well, other than the fact that the sun will die, which is billions of years ahead of us, there is no other near danger ahead. But there is another danger other than the sun vanishing that would end life. This will happen earlier, even though this won’t happen in the near future, the consequences are disastrous. When the sun enters its third stage which is the red giant, the sun begins to expand and it may engulf the inner solar system. So, our earth may one day be engulfed by a fireball. Life on earth may end well before it gets engulfed as the growing heat causes temperatures to rise and the temperature could become too hot to bear and thus, we’re extinct.

So, how would it feel to live on earth seeing day by day as the sun appears to come closer and getting larger? The temperature slowly rising, causing forests to catch fire and melting the polar caps; these changes would feel like extensive global warming. The rising sea levels due to the polar caps melting will engulf coastal regions.  The rising temperatures will cause more hurricanes and tornadoes to occur devastating urban regions. At the end any species that can’t survive the heat will die and eventually the earth will become molten again and engulf all remaining living things.

So, this is another cause that is possible to occur; but there is something that does comfort us for now, the fact that this will take billions of years to occur.

Yet again is seems scary to think about but there are lot more scenarios that are as likely to happen as this one but might occur more quickly.

So, keep coming back and see what else danger is up ahead.

Bye,

 

Falling Stars June 21, 2009

Filed under: Uncategorized — sapphire14 @ 4:12 pm

Hey, here I am again……

So I hope you have read my article on the super volcano scenario. That is an event that can happen due to our earth but now the danger is from outer space. Space is one of the ventures that in unpredictable even though we have learnt quite a bit about it.

Meteorites, asteroids and comets are extraterrestrial objects that will strike earth if they come close to earth’s gravitational field. These rocks strike earth every time and are very common; it is mostly the small meteorites that fall in the oceans. But the possibility that bigger meteorites can strike is inevitable. Huge meteorites have struck earth before; there are many craters that can be found on earth like the Baringer crater in the USA. The extinction of the dinosaurs was because of a meteorite strike and during this huge impact the earth’s climate changed a lot and caused the extinction of many plant species.

If this occurs again which it will probably, the changes will be devastating. There has been close impacts with large comets before but was missed by earth due to slight changes in the comets direction. Like the super volcano the impact will cause huge pressure on life. First, these huge rocks cannot be diverted by a rocket very easily, you need a lot of nuclear power and then also there is little chance of diverting it.

At the moment the meteorite crashes onto the land, a huge fireball will be blown in all direction and the rock will push deeply into the soil. The heat from the meteorite will melt the rocks forming a pool of lave in the crater. Electromagnetic waves from the impact site will destroy all electronics with a computer chip in it. At impact rocks fly into the sky and some even into space, these rocks fallback on earth causing a shower of fireballs, and after some time there will be ashes clouding the sky blocking out sunlight completely and there will be showers of heavy ash and acid rain due to the injection of gases into the atmosphere. The temperature of the earth will rise dramatically well over the normal range causing forest fires to break out. Then after some days of soldering heat, the temperature at parts could plummet below zero degrees due to no sunlight; thus an ice age may form. If the meteorite lands in the ocean alongside these effects, tsunamis will occur and flood coastal regions. These changes will destroy all plant life and few humans will survive as evacuation at an huge size is just impossible. The plants can’t grow as there is no sunlight hence no photosynthesis but fungi will thrive as they don’t depend on photosynthesis.

But there is always hope even though these effects would destroy everything. Our earth has always recovered itself after global catastrophes and there is always a chance that people with shear will power would survive this event and animals and plants that can handle harsh conditions will thrive. So, never forget there are always good chance things will become normal again even if it seems like the end of the world.

Hope you like this….

Do come back for more……

See you,

 

The Aftermath of the Super Eruption

Filed under: Uncategorized — sapphire14 @ 3:47 pm

Hey, hope you liked my last report…

 

Here is the devastating aftermath of the super volcanic eruption.

 

The effects of a super-eruption on the areas in the immediate vicinity of the volcano are completely catastrophic. Explosive super-eruptions produce pyroclastic flows, which can cover thousands to tens of thousands of square kilometres in thick deposits of hot ash. No living beings caught by a pyroclastic flow survive.

 

Volcanic ash fallout from a super-eruption will probably have severe effects, one centimetre thickness of volcanic ash is easily enough to disrupt most forms of agriculture. The substantial part of the global economy would inevitably be devastated. There would also be severe disruption of aviation.

 

Large explosive volcanic eruptions eject huge amounts of volcanic dust and gas into the stratosphere. The gases are dominatedby water vapour, but also include sulphur dioxide, carbon dioxide and chlorine. Dust and gases injected by an eruption into the stratosphere reflect solar radiation back to space and absorb heat themselves, cooling the lower atmosphere and causing winter to occur.

 

So this will be the most dramatic effect of these eruptions causing endless darkens as the sunlight is blocked. Plants won’t survive and die and any human unprotected would freeze to death. There may even be an ice age which could kill thousands of plant and animal species. These effects are really horrific to think about. All we can do for now it keep an eye on the volcanoes and pray for the best.

See you soon,

 

Super Volcanic Eruption

Filed under: Uncategorized — sapphire14 @ 12:18 pm

Hello everybody,

I am sure that every one of us as heard about the super volcano erupting scenario. But for those who are not sure what this is all about, I’ll explain it here.

Super Volcanic eruptions are those types of substantially large volcanic eruptions than any that usually occur. Super volcanoes occur when magma in the earth rises into the crust from a hotspot but is unable to break through the crust. Pressure builds in a large and growing magma pool until the crust is unable to contain the pressure.

Only a handful exist in the world but when one erupts it will be unlike any volcano we have ever witnessed. The explosion will be heard around the world. The sky will darken, black rain will fall, and the Earth will be plunged into a small ice age. The last super volcano to erupt was the Toba 74,000 years ago in Sumatra. This eruption caused a global catastrophe dramatically changing the earth’s climate.

Yellowstone Park is made up of remarkable natural beauty, but underneath it is one of the largest super volcanoes in the world. Scientists have revealed that Yellowstone has been in a natural eruption cycle every 600,000 years. The last eruption occurred 640,000 years ago so the next eruption is overdue. So, will this overdue make the eruption even stronger as more magma gathers. Scientists are not very sure about the kind of eruption it would be or how it would impact the earth.

But we are sure the eruption would devastate the planet. Climatologists now know that Toba blasted so much ash and sulphur dioxide into the stratosphere that it blocked out the sun, causing the Earth’s temperature to plummet. Some geneticists now believe that this had a catastrophic effect on human life, possibly reducing the population on Earth to just a few thousand people. Mankind was pushed to the edge of extinction… and it could happen again.

Scientists are tracking the Yellowstone and the height of lava accumulation has increased by 70 centimeters this century. So, we are not sure whether this is just normal lava movement or ticking time bomb. Whatever might happen, we have to be ready to face anything.

See you later,

 

In what ways June 2, 2009

Filed under: Earth — sapphire14 @ 11:50 am

Now I want to list down the ways in which our earth could end. There are a lot of possibilities out there, so I want to list down as most as possible even the ones that may seem crazy.

–          A huge meteorite strikes the earth

–          A pandemic kills all life

–          An ice age

–          Global warming

–          Super volcanic eruption

–           Aliens visit us

–          The Earth’s orbit may become more elliptical getting the Earth far away from the sun, so the temperature becomes too cold.

 This is a video which shows 10 ways in which the earth could die.

http://www.metacafe.com/watch/986211/10_ways_the_earth_will_die/

Be sure to comment ….