This was quite a class, i'm sure we all can agree. Personally i really liked the whole Bloging thing. I think that it is a great tool for facilitators to use. It forces us as students to look up a topic on our own and learn about it.
What I would keep
I would keep this here bloging tool. It did in some way prepare us for college in the fact that we need to learn how to use the computers and have to look up topics on our own. Teachers all over the world should use blogger.com.
What I would change
Though the blogger is a good tool, a class should not be souly based on this. Have a post due at the end of each week but only work on them two to three days a week. We also need class time for basic physics.
This class as a whole started off good with the classroom time at the begining of the year. I did learn some info out of our ancient books. The videos were good too. At the end of the year I did enjoy the blogger as a learning device but we should have mixed it up a bit. Hopefully I'm ready for the real world.
Peace out for good!
-Dusitn
Thursday, May 22, 2008
Tuesday, May 20, 2008
Global Warming {is no crisis}
Global Warming is the belief that the Earth's temperature is rising due to our production, as humans, of CO2. We've been told that the earth is changing because of humans. We've been told that we produce soo much CO2 that we are killing are planet. We've been told that we are causing the hurricanes to grow in numbers and strength. We've been told that we are causing the oceans to rise......We've been told wrong.
The Earth has been seeing significant rises and falls in both temperature and CO2 levels since the dawn of time. We have had a warming like this before. It was called the Medieval Climate Optimum. It's true, look it up. It was not catastrophic at all, nor did life on earth cease to exist. Then, it was considered an Optimum, now it is a crisis?
There are ice ages and there are warming periods. We know this as evidence by ice cores and tree ring samples. This isn't breaking news, except maybe the deception that you are being force fed. I think it is pure arrogance to think that we have control over the climate. Especially on this kind of scale. Alarming the public is easy.
Do you really think that going out and buying a fuel efficient Honda will actually reduce our CO2 levels? That minute of a difference won't do any thing. The scientists can't even prove that CO2 is the so called "problem." Besides, do you know how many active volcanoes there are on this planet? These volcanoes spew billions of tons of CO2 every year. We can't hold a candle to that.
Another factor is THE SUN! Have you heard of it before. The sun warms the earth. If you check solar output against global temperature measurements you will see that they follow the same path. The sun heats us, and when it is hotter we get hotter. It you are so hell bent that global warming is anthropogenic (for those who don't know, it means "man made"), explain why Mars is also warming at the same pace as us. As we increase, so does Mars.
Oh my god!! We're sooo evil that we are even destroying other planets. Our gas guzzling SUV's will stop at nothing! Your sources are a bit out of kilter. Lets say you are a climate researcher and you can't find a crisis. Where will you get your grants from. Helps answer some questions, doesn't it.
I am tired of hearing that every scientist in the world is on board with "Global Warming." It's really not true. There is a thing out there called the Petition Project. It is for scientist who are not swayed by our government grants. They stand up for the true that the human production of CO2 is not the cause of the rise in temperature. It is about 20,000 signatures strong.
When they show a chart trying to make you believe in "Global Warming" they show the past 100 years. Maybe the past 150 years. What they don't want you to see is the last 1000, 100,000, or even the last 1,000,000 years. What it shows is that are planet goes through phases. There are ice ages and there are warming OPTIMUMS. We, right now, are in a warming OPTIMUM.
I am ashamed to live in a planet that got sucked into this eco-religious hype. Who was that one guy who made a movie "proving" "Global Warming?" Oh yah, it was Al Gore. He won a Noble Peace Prize for that one. Is he a scientist? NO! That’s right he is part of our ever-truthful government.
Believe it or not, global warming is not due to human contribution of CO2. This could be the greatest deception in the history of science. We are wasting time and money creating unnecessary fear. Do you enjoy your cars, and electricity? Well, if these eco-religious people keep up we will be reduced to nothing. Just another third world country.
Professor Philip Scott, of the University of London, had this to say. "What we have fundamentally forgotten is the simple primary school science. Climate always changes. It is always warming or cooling, never stable. And if it were stable, it would actually be interesting scientifically because it would be the first time for four and a half billion years. So there is no proof that humans are causing this."
Global Warming is for the most part natural. Blame the sun, blame the volcano, blame the ocean and the water vapor and the CO2 that gives life to plants. None of these doomsday scenarios will change the atmosphere a single degree. Or a good way to stop "Global Warming" is to cut all the hot air produced by these eco people, and the brainwashed stooges who follow them. I believe it was Adolph Hitler who said, "If you repeat a lie long enough, people will believe it."
The Earth has been seeing significant rises and falls in both temperature and CO2 levels since the dawn of time. We have had a warming like this before. It was called the Medieval Climate Optimum. It's true, look it up. It was not catastrophic at all, nor did life on earth cease to exist. Then, it was considered an Optimum, now it is a crisis?
There are ice ages and there are warming periods. We know this as evidence by ice cores and tree ring samples. This isn't breaking news, except maybe the deception that you are being force fed. I think it is pure arrogance to think that we have control over the climate. Especially on this kind of scale. Alarming the public is easy.
Do you really think that going out and buying a fuel efficient Honda will actually reduce our CO2 levels? That minute of a difference won't do any thing. The scientists can't even prove that CO2 is the so called "problem." Besides, do you know how many active volcanoes there are on this planet? These volcanoes spew billions of tons of CO2 every year. We can't hold a candle to that.
Another factor is THE SUN! Have you heard of it before. The sun warms the earth. If you check solar output against global temperature measurements you will see that they follow the same path. The sun heats us, and when it is hotter we get hotter. It you are so hell bent that global warming is anthropogenic (for those who don't know, it means "man made"), explain why Mars is also warming at the same pace as us. As we increase, so does Mars.
Oh my god!! We're sooo evil that we are even destroying other planets. Our gas guzzling SUV's will stop at nothing! Your sources are a bit out of kilter. Lets say you are a climate researcher and you can't find a crisis. Where will you get your grants from. Helps answer some questions, doesn't it.
I am tired of hearing that every scientist in the world is on board with "Global Warming." It's really not true. There is a thing out there called the Petition Project. It is for scientist who are not swayed by our government grants. They stand up for the true that the human production of CO2 is not the cause of the rise in temperature. It is about 20,000 signatures strong.
When they show a chart trying to make you believe in "Global Warming" they show the past 100 years. Maybe the past 150 years. What they don't want you to see is the last 1000, 100,000, or even the last 1,000,000 years. What it shows is that are planet goes through phases. There are ice ages and there are warming OPTIMUMS. We, right now, are in a warming OPTIMUM.
I am ashamed to live in a planet that got sucked into this eco-religious hype. Who was that one guy who made a movie "proving" "Global Warming?" Oh yah, it was Al Gore. He won a Noble Peace Prize for that one. Is he a scientist? NO! That’s right he is part of our ever-truthful government.
Believe it or not, global warming is not due to human contribution of CO2. This could be the greatest deception in the history of science. We are wasting time and money creating unnecessary fear. Do you enjoy your cars, and electricity? Well, if these eco-religious people keep up we will be reduced to nothing. Just another third world country.
Professor Philip Scott, of the University of London, had this to say. "What we have fundamentally forgotten is the simple primary school science. Climate always changes. It is always warming or cooling, never stable. And if it were stable, it would actually be interesting scientifically because it would be the first time for four and a half billion years. So there is no proof that humans are causing this."
Global Warming is for the most part natural. Blame the sun, blame the volcano, blame the ocean and the water vapor and the CO2 that gives life to plants. None of these doomsday scenarios will change the atmosphere a single degree. Or a good way to stop "Global Warming" is to cut all the hot air produced by these eco people, and the brainwashed stooges who follow them. I believe it was Adolph Hitler who said, "If you repeat a lie long enough, people will believe it."
Tuesday, May 13, 2008
Holography
Holograms are photographic images that are three-dimensional and appear to have depth. Holograms work by creating an image composed of two superimposed 2-dimensional pictures of the same object seen from different reference points. Holography requires the use of light of a single exact wavelength, so lasers must be used. In reflection holograms, the kind of holography that can be viewed in normal light, two laser beams and a photographic plate are used to take an image of the object. Both laser beams used in a holograph go through beam spreaders, which spread the laser light out like a flashlight. The coherence of the beam is lost, but it remains an exact wavelength.
One beam illuminates the object from the side. The other beam, known as a reference beam, travels through a photographic plate and hits the object head-on, similar to the way in which a conventional camera takes a 2-D image. The reflecting light from the reference beam leaves an image, or hologram, on the photographic plate, but so does the light reflected by the object from the side beam. The result is a photographic plate that registers two images simultaneously, creating a hologram. When viewing any object, the human eyes each receive a distinct image, from slightly offset reference points. The brain combines them into a three-dimensional image. The hologram produces the same effect artificially.
When developed, the hologram is printed onto a set of ultra-thin curved silver plates, which are made to diffract light. Diffraction is what a prism does. It splits multi-wavelength white light into each specific wavelength. When white light hits the silver plates, the reflections diffract into each specific color, creating two offset images made up of colors that roughly reflect what the original object looked like. The result is a three-dimensional image, a hologram. The hologram is composed of the interference pattern between the two original images.
Another kind of common hologram is the reflection or Denisyuk hologram. This is capable of multicolour image reproduction using a white light illumination source on the same side of the hologram as the viewer.One of the most promising recent advances in the short history of holography has been the mass production of low-cost solid-state lasers. This is typically used by the millions in DVD recorders and other applications, but which are sometimes also useful for holography. These cheap, compact, solid-state lasers can under some circumstances compete well with the large, expensive gas lasers. They were previously required to make holograms, and are already helping to make holography much more accessible to low-budget researchers, artists, and dedicated hobbyists.
Holography dates from 1947, when British scientist Dennis Gabor developed the theory of holography. He did this while working to improve the resolution of an electron microscope. Gabor coined the term hologram from the Greek words holos, meaning "whole." And then gramma, meaning "message". Further development in the field was stymied during the next decade. This was because light sources available at the time were not truly "coherent."
In 1972 Lloyd Cross developed the integral hologram. He did this by combining white-light transmission holography with conventional cinematography. It produced 3-dimensional images. Sequential frames of 2-D motion-picture footage of a rotating subject are recorded on holographic film. When viewed, the composite images are synthesized by the human brain. Just like a 3-D image.
Another major advance in display holography occurred in 1968. Dr. Stephen A. Benton invented white-light transmission holography while researching holographic television at Polaroid Research Laboratories. This type of hologram can be viewed in ordinary white light creating a rainbow image from the seven colors which make up white light. The depth and brilliance of the image and its rainbow spectrum soon attracted artists who adapted this technique to their work and brought holography further into public awareness.Benton's invention is particularly significant because it made possible mass production of holograms using an embossing technique. These holograms are "printed" by stamping the interference pattern onto plastic.
Hologams, I believe, are quite interesting. There are many different kinds. And also there have been many upgrades and discoveries about it. They have shown us a differnt way to get an image. Plus it is 3-D. Holography puts photography.
One beam illuminates the object from the side. The other beam, known as a reference beam, travels through a photographic plate and hits the object head-on, similar to the way in which a conventional camera takes a 2-D image. The reflecting light from the reference beam leaves an image, or hologram, on the photographic plate, but so does the light reflected by the object from the side beam. The result is a photographic plate that registers two images simultaneously, creating a hologram. When viewing any object, the human eyes each receive a distinct image, from slightly offset reference points. The brain combines them into a three-dimensional image. The hologram produces the same effect artificially.
When developed, the hologram is printed onto a set of ultra-thin curved silver plates, which are made to diffract light. Diffraction is what a prism does. It splits multi-wavelength white light into each specific wavelength. When white light hits the silver plates, the reflections diffract into each specific color, creating two offset images made up of colors that roughly reflect what the original object looked like. The result is a three-dimensional image, a hologram. The hologram is composed of the interference pattern between the two original images.
Another kind of common hologram is the reflection or Denisyuk hologram. This is capable of multicolour image reproduction using a white light illumination source on the same side of the hologram as the viewer.One of the most promising recent advances in the short history of holography has been the mass production of low-cost solid-state lasers. This is typically used by the millions in DVD recorders and other applications, but which are sometimes also useful for holography. These cheap, compact, solid-state lasers can under some circumstances compete well with the large, expensive gas lasers. They were previously required to make holograms, and are already helping to make holography much more accessible to low-budget researchers, artists, and dedicated hobbyists.
Holography dates from 1947, when British scientist Dennis Gabor developed the theory of holography. He did this while working to improve the resolution of an electron microscope. Gabor coined the term hologram from the Greek words holos, meaning "whole." And then gramma, meaning "message". Further development in the field was stymied during the next decade. This was because light sources available at the time were not truly "coherent."
In 1972 Lloyd Cross developed the integral hologram. He did this by combining white-light transmission holography with conventional cinematography. It produced 3-dimensional images. Sequential frames of 2-D motion-picture footage of a rotating subject are recorded on holographic film. When viewed, the composite images are synthesized by the human brain. Just like a 3-D image.
Another major advance in display holography occurred in 1968. Dr. Stephen A. Benton invented white-light transmission holography while researching holographic television at Polaroid Research Laboratories. This type of hologram can be viewed in ordinary white light creating a rainbow image from the seven colors which make up white light. The depth and brilliance of the image and its rainbow spectrum soon attracted artists who adapted this technique to their work and brought holography further into public awareness.Benton's invention is particularly significant because it made possible mass production of holograms using an embossing technique. These holograms are "printed" by stamping the interference pattern onto plastic.
Hologams, I believe, are quite interesting. There are many different kinds. And also there have been many upgrades and discoveries about it. They have shown us a differnt way to get an image. Plus it is 3-D. Holography puts photography.
Tuesday, May 6, 2008
Alternative Fuels
One type of an alternative fuel is biomass. Biomass is organic material made from plants and animals. It contains stored energy from the sun. The plants absorb the sun's energy, which is called photosynthesis. The chemical energy in plants gets passed on to animals and people that eat them. Biomass is a renewable energy source because we can always grow plants.
Another renewable energy source is Hydropower. Hydropower is the use of the waters flow to create energy. This renewable source of energy is the common used in the US. It accounted for 7 percent of the total US electricity generated and 73 percent of generation from renewables in 2005. It is one of the olds sources of energy. And the first US hydropower plant was built back in 1882 in Appleton, Wisconson.
Now we have Geothermal energy. Geothermal energy is really just heat from within the earth. The work geothermal comes from the Greek words geo, meaning earth, and therme, meaning heat. The steam produced by the earth can be used to heat builds. It also can be used to generate electricity. Geothermal energy is a renewable energy source because the water is replenished by rainfall and the earth continuously produces heat.
Finally we have Wind Power. Wind Power is the use of wind to produce electricity. The use of wind to create electricity has been around for a long time. They have windmill farms to produce energy. For example there is one in Paw Paw, Illinois. This is a renewable energy because wind never stops.
The idea of renewable energy is great. We as humans depend so much on oil. And oil is not a renewable energy. Once the oil runs out its out. We need to start using these renewable energy sources. Soon it could be the only ones we have.
Another renewable energy source is Hydropower. Hydropower is the use of the waters flow to create energy. This renewable source of energy is the common used in the US. It accounted for 7 percent of the total US electricity generated and 73 percent of generation from renewables in 2005. It is one of the olds sources of energy. And the first US hydropower plant was built back in 1882 in Appleton, Wisconson.
Now we have Geothermal energy. Geothermal energy is really just heat from within the earth. The work geothermal comes from the Greek words geo, meaning earth, and therme, meaning heat. The steam produced by the earth can be used to heat builds. It also can be used to generate electricity. Geothermal energy is a renewable energy source because the water is replenished by rainfall and the earth continuously produces heat.
Finally we have Wind Power. Wind Power is the use of wind to produce electricity. The use of wind to create electricity has been around for a long time. They have windmill farms to produce energy. For example there is one in Paw Paw, Illinois. This is a renewable energy because wind never stops.
The idea of renewable energy is great. We as humans depend so much on oil. And oil is not a renewable energy. Once the oil runs out its out. We need to start using these renewable energy sources. Soon it could be the only ones we have.
Thursday, May 1, 2008
The Deep Abyss
The deep sea is home to many unique plants and animals. The suns rays only penetrates about 300 meters below the waters surface. So anything below that quite dark. In 1977, scientists discovered hot springs in the deep ocean. Some can reach 1000 c. Those hot springs supply energy to the strange life down deep.
Living among the hot springs are hydrogen sulfide-oxidizing bacteria. This bacteria is the base in the food chain for the deep sea ecosystem. The bacteria live off the hydrogen sulfide produced by the hot springs. This chemical is said to smell like bad eggs. It comes from the earths center. then is spewed into the ocean.
In the late 1980's scientists documented a dim glow from the sea bed. It was a geothermal vents. They are under intensive research right now. Have light on the sea floor is very significance. That is because it implies that photosynthesis can take place. With that plant life is possible.
The deep sea is most interesting and quite intreaging. The study of something sooo far down is amazing. I really enjoy learning about the unknown. This deep sea, like space, I believe we don't know everything about it. Maybe one day we will.
Living among the hot springs are hydrogen sulfide-oxidizing bacteria. This bacteria is the base in the food chain for the deep sea ecosystem. The bacteria live off the hydrogen sulfide produced by the hot springs. This chemical is said to smell like bad eggs. It comes from the earths center. then is spewed into the ocean.
In the late 1980's scientists documented a dim glow from the sea bed. It was a geothermal vents. They are under intensive research right now. Have light on the sea floor is very significance. That is because it implies that photosynthesis can take place. With that plant life is possible.
The deep sea is most interesting and quite intreaging. The study of something sooo far down is amazing. I really enjoy learning about the unknown. This deep sea, like space, I believe we don't know everything about it. Maybe one day we will.
Tuesday, April 22, 2008
The Big Bang Theory
The Big Bang Theory is our current belief in how our universe began. Our universe all began in a state of "singularity." "Singularity" is a state which defies our understanding of physics. It is where an infinite amount of matter is squished into infinite amount of density. These "singularity's" are also said to be at the center of black holes. Black holes are areas of intense gravitational pressure.
After being at the state of "singularity" our universe inflated. This is said to be the "Big Bang." It started being very, very small and very, very hot. Then expanded and cooled to how our universe is now. Even now it is still expanding and cooling. That is the Big Bang Theory.
There are misconceptions surrounding the Big Bang Theory. When you think of "Big Bang" you think of an explosion. It was no explosion at all. It started out very small and very dense and has expanded and is still expanding. Don't imagining a balloon exploding. Imagine a balloon expanding and still expanding.
I think it is true that there are mislead people. They think that it all started with a giant explosion. The "Big Bang" should be changed. It only puts the wrong idea into our heads. It should be called "The Great Expansion." Who ever came up with the first name is a moron!
After being at the state of "singularity" our universe inflated. This is said to be the "Big Bang." It started being very, very small and very, very hot. Then expanded and cooled to how our universe is now. Even now it is still expanding and cooling. That is the Big Bang Theory.
There are misconceptions surrounding the Big Bang Theory. When you think of "Big Bang" you think of an explosion. It was no explosion at all. It started out very small and very dense and has expanded and is still expanding. Don't imagining a balloon exploding. Imagine a balloon expanding and still expanding.
I think it is true that there are mislead people. They think that it all started with a giant explosion. The "Big Bang" should be changed. It only puts the wrong idea into our heads. It should be called "The Great Expansion." Who ever came up with the first name is a moron!
Monday, April 14, 2008
Solar System / Galaxy
Galaxies are clusters of gas, dust, and stars. These are held together by gravitational force. Galaxies could contain anywhere from 100,000,000 to 3,000,000,000 stars each. Not sure about you but I can't even imagin that many stars. We happen to live in the Milky Way Galaxy which is a spiral galaxy. Our solar system is on one of the arms of the galaxy.
A solar system is a sun and the collection of celestial bodies that orbit it. Our solar system consists of the sun and nine planets. Or eight if you are the kind to not count Pluto. How can you not count Pluto? Mickey Mouse would not be happy with you. So there are billions of solar systems per galaxy and there are billions of galaxies in our universe.
To think that we are the only planet with living creatures is nuts. If you calculate all of the galaxies with all the solar systems with all the planets there has to be other life. I believe there is plenty of life in our galaxy alone. Not including the billions of other galaxies. Space is one of the most interesting subjects. Maybe one day we will confirm life out side our own planet. Possibily Optimus Prime, or Bumble Bee.
A solar system is a sun and the collection of celestial bodies that orbit it. Our solar system consists of the sun and nine planets. Or eight if you are the kind to not count Pluto. How can you not count Pluto? Mickey Mouse would not be happy with you. So there are billions of solar systems per galaxy and there are billions of galaxies in our universe.
To think that we are the only planet with living creatures is nuts. If you calculate all of the galaxies with all the solar systems with all the planets there has to be other life. I believe there is plenty of life in our galaxy alone. Not including the billions of other galaxies. Space is one of the most interesting subjects. Maybe one day we will confirm life out side our own planet. Possibily Optimus Prime, or Bumble Bee.
Tuesday, April 8, 2008
Birth and Death of a star
Stars are born from dense clouds of gasses. Usually in the arm of a spiral galaxy. Hydrogen atoms fall, increasing their speed and energy, toward the center of the cloud. This is happens due to the star's gravity. When the hydrogen energy increases it produces heat. After this process goes on for millions of years the temprature reaches about 20 million degrees fahrenheit.
Once at this extreme temprature there are a series of nuclear reactions. These reactions mark the birth of a star. Just like how the hydrogen brought life to a star its depletion will cause it's death. The first sign of a stars death is the swelling and reddening of its outer edges. When it is at this stage it is called a Red Giant. A white dwarf is what stars, like our sun, become after they have used up all their nuclear fuel.
As you can see our sun will become a whit dwarf when the end comes. Red Giants are bigger stars when their nuclear energy is comming to an end. Now black holes are remnant of a massive star that has used it's nuclear fuel and has collapsed into a zero volume under tremendous gravity. It is at the point of "singularity." This is where the pressure and density are infinite. Scientists believe that black holes make up 90% of the universe.
I enjoy the topics about space, stars, and our universe. I think that stars are very interesting. Yet I don't think we know as much about them are we think. Also the topic of black holes really intreges me. We need to know more about our sun because it's a big part of our life. If it isn't there neither are we.
Once at this extreme temprature there are a series of nuclear reactions. These reactions mark the birth of a star. Just like how the hydrogen brought life to a star its depletion will cause it's death. The first sign of a stars death is the swelling and reddening of its outer edges. When it is at this stage it is called a Red Giant. A white dwarf is what stars, like our sun, become after they have used up all their nuclear fuel.
As you can see our sun will become a whit dwarf when the end comes. Red Giants are bigger stars when their nuclear energy is comming to an end. Now black holes are remnant of a massive star that has used it's nuclear fuel and has collapsed into a zero volume under tremendous gravity. It is at the point of "singularity." This is where the pressure and density are infinite. Scientists believe that black holes make up 90% of the universe.
I enjoy the topics about space, stars, and our universe. I think that stars are very interesting. Yet I don't think we know as much about them are we think. Also the topic of black holes really intreges me. We need to know more about our sun because it's a big part of our life. If it isn't there neither are we.
Tuesday, April 1, 2008
Science v. Pseudoscience
For many years science is confussed with pseudoscience. It causes people to be misinformed or make rash choices, but there are ways to tell the "right" from the "made up." The definition of science is to achieve a more complete and more unified understanding of the physical world. Pseudoscience is a theory, methodology, or practice that is considered to be with out scientific foundation. You see, pseudoscience is not factual and is usually driven by commercial goals. As for science, it is based on fact which went through plenty of experiments to be proven true.
With pseudoscience, it is used to provoke the individuals ego or to gain ones support. If you tell the people what they want to hear, when it isn't true, your doing just to gain their support. I could be easy to fall for pseudoscience. Science however is not told to be liked or gain support. It is tell facts. Science is tested, observed, experiment on, and re-tested for it to be correct....not liked.
I can see how advertising is a good place to use pseudoscience. They can say what you want to hear so you buy their product. Pass it off as science and your hook line and sinkered. To know if its science you need to check it's source or reference. If it has been test and is a fact, it's good. Don't be fooled by pseudoscience.
-Dustin Regul
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