Near lightspeed space travel - not so cool as we think

have you ever watch a sci-fi movie, in far future when space ship already develop an empire flet move from point a to b with FTL jump(faster than light) and enter hyperspace?? the stas outside turn into long streaks of ligh and you're off.

its onne of the most memorable scene in space travel ever created, but its also likely turn out to be pretty far from reality. according to a study by a group of students from the U.K.'s University of Leicester.

The study, titled "Relativistic Optics Strikes Back," was published in the University of Leicester's Journal of Physics Special Topics. You can indulge in all the delicious physics equations in the abstract.

lets imagine if there a certain space ship accidentally wandered in our solar system, on direct course to our sun, and if the space ship engaged in near lighspeed travel, the light,star,universe around it wouldnt appear to stretch out, but it would look more like dis of like (like in wallaper)

The Doppler effect is to blame for spoiling George Lucas' vision of high-speed space travel. In this case, it's a Doppler blue shift caused by electromagnetic radiation (including visible light) moving toward the observer. According to a release on the study, "They would simply see a central disc of bright light as Cosmic Microwave Background Radiation is shifted into the visible spectrum."

the study didnt just ruin our imagination but it also show that pressure would pretty much unbearable. The pressure on the spaceship would be like having it at the bottom of the ocean. On top of all that, harmful X-ray radiation would be a major problem for Wookiees and humans alike.

with this we know why we need "fiction" in "science fiction" if a certain space ship If the Millennium Falcon clung stubbornly to the laws of physics, the whole space battle animation franchise wouldn't be nearly as much fun.

How space travel look in movie

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The biggest thing in the universe

human, yes that us organic being who habitated a planet called 'earth' now there 7 billion human live, with unimagnable evolution progres from ancient age to modern age from time when we must walk 3 month to today when we just need 30 minutes.

we always though how great human was, an incredible organ 'brain' the most clever being in earth, that is what we thought last month but i doubt we still can think like that.YOU and I are small, really really really really small more small than dust in universe at least when compared with the size of the largest 'known' item in universe.

that is picture our solar system and that is how big our planet that have 7 billion people compared with size sun, and wallpaper i use is picture of galaxy. There hundred or thousand that scientist 'found' in our universe, but recenty an big shock hit us human that might be able change or view to universe.

Last week, a team of astronomers based in the U.K. discovered the largest object in all of our observable existence: a celestial structure made up of 73 quasars that is up to 4 billion light years long.

How big is that exactly? Well, it would take tens of thousands of our own Milky Ways -- the big, galactic one, not the one that comes in a wrapper -- to equal the size of Huge-LQG (for Large Quasar Group), as it's become affectionately known.

wow, big isnt fit word to discribe that size, huge also not good enough, just like how ant compared to biggest dinosaurus i think, 10.000 more big than our galaxy.

Feel insignificant yet?

Yes, it does seem like something so inconceivably massive should have been noticed by now, and that's actually the most interesting part of the discovery.

The discovery of an astronomical body so large throws doubt upon one of the basic assumptions of the nature of the universe. That notion, known as the cosmological principle, assumes that the little corner of the universe we're able to observe from this particular rock is a reasonable sample of what the rest of the universe must also be like.

But Huge-LQG turns out to be so huge that it makes up a few percentage points of the observable universe on its own. It's a little bit like if we suddenly discovered a 51st state that consists entirely of a single building the size of Iowa.

maybe found other living being like alien, and other sci-fi stuff wont be strange again in this vast universe.So not only are we less than the most insignificant of specks in our universe, we apparently don't know nearly as much about that universe as we thought.

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Atom Shredder - Introduction

Our current knowledge about the atomic pattern partly caused by a device called an particle accelerator or a atom shredder. These machines accelerate or speed up the filling particles "in the form of negatively charged electrons or positively charged protons, deuterons, or alpha particles" at high energy. Electrons are particles of negative electricity that surround the nucleus or atom's seed inside. Protons, deuterons, and alpha particles are positively charged all atomic nucleus. Proton is ordinary hydrogen nuclei; deuteron is heavy hydrogen nuclei; alpha particles are helium nuclei.

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Heating System

Water Heating System

The water heater is used to provide hot water for the kitchen, bathroom, and washing is based on the principle of convection. A heater coil mounted on the boiler so that the water in the kettle it through freely. When the coil is heated water in it to be warmed by the heat flow through the metal wall of the coil is by conduction.

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Convection

Which we call convection is actually a combination of conduction through a fixed medium and convection, while heat carried by a moving medium. for example if there is running water, say in contact with a hot surface, some liquid was heated by conduction and heat it brought along with the moving liquid. If the water is warm then come into contact with a cold surface, the water will give a portion of its heat to the surface, again through conduction.

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Isolator

Many other events that show the insulating properties of air. The house as often isolated by arrangement dual wall, air space formed between the outer wall and the plaster walls. Insulation is made more effective way by placing the material is more loose. As mineral fibers in the air space, preventing air circulation inside the dual walls it.

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Conduction

when an object attached to other objects, the temperature will rise in this place. The molecules vibrated faster even though stay in place, the molecules that transmit the vibrations to the surroundings. That's how the heat propagates through conduction.

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HEAT TRANSMISSION

The so-called thermal or heat is actually the kinetic energy, the energy motion of molecules vibrate. When an object is cold, its molecules vibrate slowly. When the temperature is increased vibration growing rapidly and the molecules have greater motion energy. Energy motion are multiplied by the heat causes solids to liquid and from liquid to gas.

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Sublimation

Sublimation is the change in states of matter from solid to gas or from gas to solid. When the temperature of the particles constituent a solid substances is increased, then the particles will sublimate into gas. Conversely, when the gas temperature is lowered, the gas will soon change its form into a solid.

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Boiling

When the liquid temperature was raised, will be reached a certain point when the liquid begins to boil. Boiling can be interpreted evaporation that occurs in the entire liquid contents, not just on the surface only. Vapor bubbles are formed inside the liquid. The bubbles will rise and break through the surface.

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Evaporation

If a liquid is heated, there will be other types of changes. at any given temperature, the liquid contains molecules that have a different amount of energy. Most of the molecules would be so strives to penetrate the surface of the liquid, but the pull of the molecules on the surface will pull back off the earlier molecule. Certain molecules that have a much higher energy will escape into the open air and move beyond the reach of the attraction of molecules on the surface. molecules that escape will form a gas or vapor. The process of change of liquid to gas is called evaporation.

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A Special Case Of Water

Most of the liquid shrinks when it freezes. Water is a special exception because water expands when frozen quite large, one cubic meter of water would be 1.08 cubic meter of ice. Of course the ice would be less dense than water. This phenomenon has a beneficial effect. Imagine what happens if a pool of water such as rivers or lakes experiencing freezing temperatures.

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Matter - Changing States

Effect of heat can result in changes in the state of the object. This means that if an object is heated, it will change from one state to another of the three state forms of matter can be either solid, liquid, and gas.

What happens when an object changes from the solid phase to liquid phase, as if the ice become water?

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Law Of Ideal Gas

When the gas in effecting heat, gas will show a greater expansion and more disordered than solids and liquids. In 1787 the French physicist Jacques Charles found that all the gas expands by an amount equal to the temperature rise. Then he composed what is now called the Charles law. Law states that a certain volume of gas will expand about 1/273 of its own volume when heated 1 degree centigrade. 

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Heat - Expansion and Contraction

We have seen that most of the solids will expand when heated and shrink when cooled, when a railway station is installed, a small room should be made between the rail connection to allow the rail it expands during the summer. Rivets are used to connect parts of the steel frame building is a good example about effect cooling on the solid object. Initiated by heating the rivet nail, and then plugged in when it it's hot. When it is cool, rivets it will shrink and pull the two sections of steel tightly.

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Specific Heat

Not all the material absorbs heat at the same speed if the material have the same temperature change. For example, if water, iron, mercury, and gold in the same weight and same initial temperature,have temperature increase the same, each will absorb different amounts of heat. Unit called the specific heat is used to show the heat absorption capability. Specific heat of a substance is the amount of calories needed to raise the temperature of one gram of a substance by 1 degree centigrade.

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THERMOMETER

In determining a thermometer scale, selected what was referred to the points anyway. Usually the points are the freezing point and boiling point at normal atmospheric pressure. XVIII century Swedish astronomer, Andres Celsius thermometer illustrate by giving a value of 100 for the boiling point of water and the value 0 to its freezing point. range from 0 to 100 was divided into 100 parts called degrees.

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MEASURING HEAT INTENSITY

We have to measure the heat in order to acquire certain knowledge about heat. Our feelings cannot be use to measuring the degree heat an object because it is often mislead us.

In solid Object, the molecules attract to each other with more powerful and permanent position, so the vibration of the molecules just around a fixed point.

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HEAT PROPERTIES - NATURE OF THE HEAT

The nature heat is an energy that cannot be seen, heard, or smelled. However, the influence of this energy can be felt. In addition properties of the heat energy in general also have special properties. This suggests that the heat properties could have moved to another place. The closer the heat source, more hotter and faster it transfered. Further away from the heat source, the less heat is transfer.

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THE SUN - SOURCE OF HEAT

Heat plays a very important role in our daily lives as a heating system that keeps us warm in winter,in the summer we prefer to keep the house temperature lower by using the air conditioning system,heat engines generate power for cars, trucks, trains, diesel, certain heat engine running dynamo that generates electricity,electricity operate factory machinery, and other tools, our lives a lot depends on the heat,actually our own body is a heat engine, the food we eat is the fuel so that our bodies are still warm and provide energy for our activities

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