Skip to main content

Home/ Youth Voices/ Group items tagged solar

Rss Feed Group items tagged

YuDi EWSIS

How to use the nature power - 0 views

  •  
    The universe is full of power, earth is a tiny piece of the whole universe. Human already knew how to use the nature power and that power makes our life much better. If we can use universe power, our life must be cooler. The earth is rotating the sun and the sun is rotating too. If we use the power of rotating, we can save a lot of energy. And if we understand of the universe, we can stop a lot of farm to happen. The space has huge power and the power is harmful, a single planet can be destroyed by the power. If we can use the power and know things earlier, then there will be less problems, and human life will be longer. People are trying to use solar energy now, where sun lights create power and it's a good way to save energy. "There has been a dramatic decrease in cost and prices over the past 12 months, which puts utilities in a strong position to bargain," says Chris O'Brien, head of market development for Oerlikon Solar. The Swiss company launched its solar group in 2007, offering end to end manufacturing lines for thin film PV. O'Brien says first-generation thin film customers in Europe have a manufacturing cost of approximately $1.50/W for a thin film PV module. His company's goal is to drive costs to around $0.70/W by the end of next year. With the current cost structure, including federal incentives, a 10 MW PV plant in California can have a delivered cost of electricity of around $0.15/kW. O'Brien says he expects that to fall below $0.10/kW by 2012. I really like this quote, because it told us how much money that the solar energy is saving for us. And it also told us, if we use the nature power, we can do a lot to keep our earth healthier.
Reasat EWSIS

Extraterrestrial life - Wikipedia, the free encyclopedia - 1 views

  • Extraterrestrial life is defined as life which does not originate from planet Earth. The existence of such life is theoretical and all assertions about it remain disputed.
    • Reasat EWSIS
       
      This is the general definition of what aliens are. They are known as extraterrestrial life that do not live on Earth, but oter space. The last sentence is important because, scientists are still trying to prove the existence of aliens.
  • Suggested locations which might have once developed, or presently continue to host life similar to our own, include the planets Venus[1] and Mars, moons of Jupiter and Saturn (e.g. Europa,[2] Enceladus and Titan) and Gliese 581 c and d, recently discovered to be near Earth-mass extrasolar planets apparently located in their star's habitable zone, and with the potential to have liquid water.[3]
    • Reasat EWSIS
       
      There may be potnetial alien life in various planets, moons, and star (i.e. - Mars, Venus, Jupiter, Europa)
  • Alien life, such as bacteria, has been theorised by scientists such as Carl Sagan to exist in our solar system and quite possibly throughout the universe although no samples have been found.
    • Reasat EWSIS
       
      Where is the evidence that bacteria exist else where?
  • ...7 more annotations...
  • Scientists are directly searching for evidence of unicellular life within the solar system, carrying out studies on the surface of Mars and examining meteors which have fallen to Earth. A mission is also proposed to Europa, one of Jupiter's moons with a possible liquid water layer under its surface, which might contain life.[19]
    • Reasat EWSIS
       
      Another source that goes more in detail about this is: http://www.disclose.tv/forum/finding-life-mars-vs-europa-t10371.html
  • Independently, in 1996, structures resembling nanobacteria were reportedly discovered in a meteorite, ALH84001, thought to be formed of rock ejected from Mars. This report is also controversial, and scientific debate continues.
    • Reasat EWSIS
       
      This is important because this is proof that extraterrestrial life existed in outer space, more specifically Mars.
    • JosephT EWSIS
       
      This isn't proof at all. It says possibly, and it says that there is a lack of evidence.
  • In February 2005, NASA scientists reported that they had found strong evidence of present life on Mars.[21] The two scientists, Carol Stoker and Larry Lemke of NASA's Ames Research Center, based their claims on methane signatures found in Mars' atmosphere resembling the methane production of some forms of primitive life on Earth, as well as on their own study of primitive life near the Rio Tinto river in Spain.
  • Within Islam, the statement of the Qur'an "All praise belongs to God, Lord of all the worlds" indicates multiple universal bodies, and maybe even multiple universes, which may indicate extraterrestrial and even extradimensional life. Surat Al-Jinn also mentioned a statement from a Jinn regarding the current status and ability of his group in the heavens.
    • Reasat EWSIS
       
      This is interesting because I am a Muslim my self. A lot of things can have different interpretations. I am going to try looking for it in the Qur'an.
  • Europa - Europa may contain liquid water beneath its thick ice layer. It is possible that vents on the bottom of the ocean warm the ice, so liquid could exist beneath the ice layer, perhaps capable of supporting microbes and simple plants, just like in Earth's hydrothermal vents.[2]
    • Reasat EWSIS
  • Mars - Life on Mars has been long speculated. Liquid water is widely thought to have existed on Mars in the past, and there may still be liquid water beneath the surface. Methane was found in the atmosphere of Mars. By July 2008, laboratory tests aboard NASA's Phoenix Mars Lander had identified water in a soil sample. The lander's robotic arm delivered the sample to an instrument which identifies vapors produced by the heating of samples. Recent photographs from the Mars Global Surveyor show evidence of recent (i.e. within 10 years) flows of a liquid on the Red Planet's frigid surface.[34]
  • The other large moons of our system which have been visited appear similarly lifeless, though the interesting geothermic forces observed (Io's volcanism, Europa's ocean, Titan's thick atmosphere) have underscored how broad the range of potentially habitable environments may be.
  •  
    Highlighter
JackeyQ EWSIS

Global warming - Wikipedia, the free encyclopedia - 0 views

  • The most commonly discussed measure of global warming is the trend in globally averaged temperature near the Earth's surface.
    • Munaza EWSIS
       
      This is impotant, many people do not know that the temperature of the earth is cahnging significantly.
  • An increase in global temperature will cause sea levels to rise and will change the amount and pattern of precipitation, probably including expansion of subtropical deserts.[7] The continuing retreat of glaciers, permafrost and sea ice is expected, with warming being strongest in the Arctic. Other likely effects include increases in the intensity of extreme weather events, species extinctions, and changes in agricultural yields.
    • Munaza EWSIS
       
      The temperature is affecting not only regular temperature but also changes in the agriculture facilities. It is merans that food industry prices as well as food companies will "sky rocket", because of temperature changes.
  • Political and public debate continues regarding climate change, and what actions (if any) to take in response. The available options are mitigation to reduce further emissions; adaptation to reduce the damage caused by warming; and, more speculatively, geoengineering to reverse global warming. Most national governments have signed and ratified the Kyoto Protocol aimed at reducing greenhouse gas emissions.
    • Munaza EWSIS
       
      Politics is making the Climate Chnge issue, unimportant, I beleive that Govermnets are just "selling their image", so they would look good. There are many, many policies pacts that have been made in order to "control Clmiate Change/ Global Warming". When will there be a policy that actually help the meniviroment?
  • ...21 more annotations...
  • Human activity since the Industrial Revolution has increased the amount of greenhouse gases in the atmosphere, leading to increased radiative forcing from CO2, methane, tropospheric ozone, CFCs and nitrous oxide. The concentrations of CO2 and methane have increased by 36% and 148% respectively since the mid-1700s.[23] These levels are much higher than at any time during the last 650,000 years, the period for which reliable data has been extracted from ice cores.[24] Less direct geological evidence indicates that CO2 values this high were last seen about 20 million years ago.[25] Fossil fuel burning has produced about three-quarters of the increase in CO2 from human activity over the past 20 years. Most of the rest is due to land-use change, particularly deforestation.[26]
    • Munaza EWSIS
       
      Industrial Revolution was bound to happen, people would live in the stone age for the rest their lives. When the Industrial Revlotion did occur things did not look bad, as of 2002 and futher did the climate change was becoming a issue to looked upon as an issue.
  • If the atmosphere is warmed, the saturation vapor pressure increases, and the amount of water vapor in the atmosphere will tend to increase. Since water vapor is a greenhouse gas, the increase in water vapor content makes the atmosphere warm further; this warming causes the atmosphere to hold still more water vapor (a positive feedback), and so on until other processes stop the feedback loop
    • Munaza EWSIS
       
      The atmosphere is warming up, there is no way for stoppiong the warming up but there is a way of slowing this down or going green
  • When ice melts, land or open water takes its place. Both land and open water are on average less reflective than ice and thus absorb more solar radiation. This causes more warming, which in turn causes more melting, and this cycle continues.
    • Munaza EWSIS
       
      The Ice is melting. If you look at the The cold continent of Antartica, the ice caps are melting there. The North and the South Poles are melting. The sea levels are rising and inhabitants such as polar bears and Penguins are getting affected. The sea levels are afftecting Island Nations as well as sea bordering nations.
  • Global warming is the increase in the average temperature of the Earth's near-surface air and oceans since the mid-20th century and its projected continuation. Global surface temperature increased 0.74 ± 0.18 Â°C (1.33 ± 0.32 Â°F) between the start and the end of the 20th century.
    • Mei EWSIS
       
      basic information about global warming.
  • However, warming is expected to continue beyond 2100 even if emissions stop, because of the large heat capacity of the oceans and the long lifetime of carbon dioxide in the atmosphere.
    • Mei EWSIS
       
      people are using air conditioner in the summer and the gases come out of air conditioner are bad for the o-zone.
  • Temperature changes vary over the globe. Since 1979, land temperatures have increased about twice as fast as ocean temperatures (0.25 Â°C per decade against 0.13 Â°C per decade).
    • JackeyQ EWSIS
       
      I think this sentence is important because this shows that global warming is causing the earth to get warmer. This changes things lik melting of ice bergs which can lead to rising sea level and cause major changes.
  • The Intergovernmental Panel on Climate Change (IPCC) concludes that most of the observed temperature increase since the middle of the 20th century was caused by increasing concentrations of greenhouse gases resulting from human activity such as fossil fuel burning and deforestation.
    • JackeyQ EWSIS
       
      This is important because it descibes why and how the temperatures all around the world are going up. This also shows that as we get more technology, we are destroying the earth more and more.
  • The IPCC also concludes that variations in natural phenomena such as solar radiation and volcanoes produced most of the warming from pre-industrial times to 1950 and had a small cooling effect afterward.
  • The uncertainty in this estimate arises from the use of models with differing sensitivity to greenhouse gas concentrations and the use of differing estimates of future greenhouse gas emissions.
    • JackeyQ EWSIS
       
      I think this means that no one can predict what would happen or how much emissions we produce. Less is the best, but none is great
  • The greenhouse effect is the process by which absorption and emission of infrared radiation by gases in the atmosphere warm a planet's lower atmosphere and surface.
    • JackeyQ EWSIS
       
      This means that how much emissions we would make is how much global warming we create or how much we would make our own doom.
  • Clouds also affect the radiation balance, but they are composed of liquid water or ice and so are considered separately from water vapor and other gases.
    • JackeyQ EWSIS
       
      I wonder if this can also help since it can cool down the face of the earth and also it can help by reflecting solar light back into space as it makes it's way through the atmosphere.
  • Global dimming, a gradual reduction in the amount of global direct irradiance at the Earth's surface, has partially counteracted global warming from 1960 to the present.
    • JackeyQ EWSIS
       
      This means that global dimming helps by reflecting the warm sunlight away from earth so that we can keep it cool itstead of hot.
  • Observations show that temperatures in the stratosphere have been steady or cooling since 1979, when satellite measurements became available.
    • JackeyQ EWSIS
       
      I wonder if this can really help out since it has really little effect, while we release tons of gas into our atmosphere.
  • Warming is expected to change the distribution and type of clouds. Seen from below, clouds emit infrared radiation back to the surface, and so exert a warming effect; seen from above, clouds reflect sunlight and emit infrared radiation to space, and so exert a cooling effect.
    • JackeyQ EWSIS
       
      I think this is important since it might trap heat, but it relfects even more heat out than it traps. It also helps cool the earth, but trapping those gases in can harm us since those gas can be toxic.
  • Measures including water conservation,[99] water rationing, adaptive agricultural practices,[100] construction of flood defences,[101] Martian colonization,[102] changes to medical care,[103] and interventions to protect threatened species[104] have all been suggested. A wide-ranging study of the possible opportunities for adaptation of infrastructure has been published by the Institute of Mechanical Engineers.[
    • JackeyQ EWSIS
       
      I wonder if we would really need to evacuate earth if there is no possible answer for saving our lives and the earth as well.
  • Geoengineering is the deliberate modification of Earth's natural environment on a large scale to suit human needs.[106] An example is greenhouse gas remediation, which removes greenhouse gases from the atmosphere, usually through carbon sequestration techniques such as carbon dioxide air capture.
    • JackeyQ EWSIS
       
      I think this is important because if we do have to evacuate the earth, then we would need to bring this information to our new planet so that we can preserve that planet and hopefully learn from our mistakes.
  • In 2007–2008 Gallup Polls surveyed 127 countries. Over a third of the world's population were unaware of global warming, with developing countries less aware than developed, and Africa the least aware. Of those aware, Latin America leads in belief that temperature changes are a result of human activities while Africa, parts of Asia and the Middle East, and a few countries from the Former Soviet Union lead in the opposite belief.
  • Geoengineering is the deliberate modification of Earth's natural environment on a large scale to suit human needs.
    • JackeyQ EWSIS
       
      This means that geoengineering is the study of changing the environment of earth to suit human needs. This is like constructing more land or to shape the lands so that buildings can be built or changing the land so that it can be used for vegetation.
  • one study suggests that projected rates of extinction are uncertain.[80]
    • JackeyQ EWSIS
       
      I wonder will this be true since there are many theories of when the world will end like the upcoming 2012.
  • United States President Barack Obama has announced plans to introduce an economy-wide cap and trade scheme
    • JackeyQ EWSIS
  • Measures including water conservation,[100] water rationing, adaptive agricultural practices,[101] construction of flood defences,[102] Martian colonization,[103] changes to medical care,[104] and interventions to protect threatened species[105] have all been suggested. A wide-ranging study of the possible opportunities for adaptation of infrastructure has been published by the Institute of Mechanical Engineers.
    • JackeyQ EWSIS
       
      I think this is important because this is our means of survivial if anything happens to our planet earth or what we might have to do in the future to prevent anything from happening again.
Alexa EWSIS

2012 (film) - Wikipedia, the free encyclopedia - 0 views

  • 2012 is a 2009 Disaster
    • Alexa EWSIS
       
      this is important because in real life, this is happening! or at least scientists think so.
  • The film briefly references Mayanism, the Mesoamerican Long Count calendar, and the 2012 phenomenon in its portrayal of cataclysmic events unfolding in the year 2012.
    • Alexa EWSIS
       
      heres what this is saying. its saying that on the mayan calender, 0n 2012, it says that the worlds will end.
  • Because of solar flare bombardment the Earth's core begins heating up at an unprecedented rate, eventually causing crustal displacement. This results in an onslaught of Doomsday event scenarios plunging the world into chaos, ranging from California falling into the Pacific Ocean, the eruption of the Yellowstone National Park caldera, massive earthquakes, and Megatsunami impacts along every coast line on the Earth.
    • Alexa EWSIS
       
      this is important to know because it is a true fact!
  • ...2 more annotations...
  • attempting to save as many lives as they can before the disasters ensue.
    • Alexa EWSIS
       
      i wonder if this 2012 theory is true! saving lives? disasters? corruptions? this all sounds so crazy
  • The film received mixed to negative reviews from film critics. Rotten Tomatoes reports that 39% of critics gave the film a positive review based on 210 reviews.[36] Critics cited numerous scientific inaccuracies, lazy script and heavy reliance on the CG visuals, while some praised the CG effects. On its "top critics" section, it fared even lower with 27% of critics giving it a positive review based on 33 reviews.[37] At Metacritic, which assigns a normalized rating out of 100 to reviews from mainstream critics, the film holds an average/mixed score of 49 based on 34 reviews.[38]
    • Alexa EWSIS
       
      this is important to know because some of the things shot in the movie are not really supposed to happen when the year 2012 happens.
  •  
    This world is left with nothing but question's and the craziest part about it is when it happen's it happen's so there's the answer towards things , to my eyes when it happen's it happen's. As of right now were left with question's no answer.
  •  
    the world is not going to end how it is portrayed in the movie, but by God.
Keyur EWSIS

Ghost - Wikipedia, the free encyclopedia - 0 views

shared by Keyur EWSIS on 09 Dec 09 - Cached
  • Ghosts or similar paranormal entities appear in film, theatre, literature, myths, legends, and some religion
    • Keyur EWSIS
       
      This is importnat because it shows, that the idea, of a ghost is so cool, that people use it in movies and theatre. People actually go see these movies, to be entertainied or to be scared. If they are scared by a movie, I wonder what would happen if they saw one in real life.
  • Although the human soul was sometimes symbolically or literally depicted in ancient cultures as a bird or other animal, it was widely held that the soul was an exact reproduction of the body in every feature, even down to clothing the person wore.
    • Keyur EWSIS
       
      This is basically stating that the ghost of a person, will have exactly the same features as the human had when he was living. If he was wearing a hat, the ghost will have a hat. If he had severe acne, the ghost will have severe acne.
  • A place where ghosts are reported is described as haunted, and often seen as being inhabited by spirits of deceased who may have been former residents or were familiar with the property
    • Keyur EWSIS
       
      I wonder if there is any way to get rid of these spirits if they actually are real and inhabit your home. I also wonder, if the ghost was, nice what would it do?
  • ...5 more annotations...
  • The spirit of the dead was believed to hover near the resting place of the corpse, and cemeteries were places the living avoided
    • Keyur EWSIS
       
      This is basically saying, that the ghost will be close to the dead body of the ghost. Thats why people will avoid cemataries.
  • The ancient Romans believed a ghost could be used to exact revenge on an enemy by scratching a curse on a piece of lead or pottery and placing it into a grave.[27]
    • Keyur EWSIS
       
      This is important because, it shoes that some ghosts will do evil stuff, and it also shows that people have enough power to summon ghosts to do thier bidding
  • Malevolence and terror, the glare of evil faces, ‘the stony grin of unearthly malice', pursuing forms in darkness, and 'long-drawn, distant screams',
    • Keyur EWSIS
       
      I wonder if all ghosts are these evil scary creatures. I wonder if they are ugly
  • have speculated that changes in geomagnetic fields (created, e.g., by tectonic stresses in the Earth's crust or solar activity) could stimulate the brain's temporal lobes and produce many of the experiences associated with hauntings.
    • Keyur EWSIS
       
      In my own words this basically says your brain could be playing tricks on you
  • Critics of "eyewitness ghost sightings" suggest that limitations of human perception and ordinary physical explanations can account for such sightings; for example, air pressure changes in a home causing doors to slam, or lights from a passing car are reflected through a window at night.[67
    • Keyur EWSIS
       
      This is saying that parnormal activity could be just everyday things, but your brain is too frightened to use logic.
Kit EWSIS

Sky father - Wikipedia, the free encyclopedia - 0 views

shared by Kit EWSIS on 09 Dec 09 - Cached
  • The sky father is a recurring theme in mythology all over the world. The sky father is the complement of the earth mother and appears in some creation myths, many of which are Indo-European or ancient Near Eastern. Other cultures have quite different myths; Egyptian mythology features a sky mother and an earthly dying and reviving god of vegetation. Shinto gives precedence to a sun goddess. A sky father also relates to a solar deity, a god identified with the sun.
    • Kit EWSIS
       
      I wonder is Sky Father importan? I never heard of him before. I don't know much about it.
Leah R

NASA - Top Story - RECENT WARMING OF ARCTIC MAY AFFECT WORLDWIDE CLIMATE - October 23, ... - 0 views

  • Side by side comparisons of seaice from 1979 and 2003.
  • compared to the 1980s, most of the Arctic warmed significantly over the last decade, with the biggest temperature increases occurring over North America
  • Researchers have suspected loss of Arctic sea ice may be caused by changing atmospheric pressure patterns over the Arctic that move sea ice around, and by warming Arctic temperatures that result from greenhouse gas buildup in the atmosphere.
  • ...6 more annotations...
  • Less ice means more open water. More open water means greater absorption of solar energy. More absorption of solar energy means increased rates of warming in the ocean, which naturally tends to yield faster rates of ice loss.
  • Arctic perennial sea ice has been decreasing at a rate of 9% per decade.
  •  
    This has interesting pictures and facts about the arctic melting.
  •  
    This is important because it shows pictures about the signifigance of global warming and how it is affecting the arctic.
Jessica =D

50 trippy years of space trips | Bad Astronomy | Discover Magazine - 0 views

  •  
    NASA | In October of 1957, the Soviet Union started the Space Age with the launch of Sputnik. Since then, a lot of spacecraft have wended their way through the solar s
Munaza EWSIS

Climate change - Wikipedia, the free encyclopedia - 0 views

  • It can be a change in the average weather or a change in the distribution of weather events around an average (for example, greater or fewer extreme weather events). Climate change may be limited to a specific region, or may occur across the whole Earth.
    • Munaza EWSIS
       
      The earth is all we have, it is clear that earth is only place we have. This the only place to human race lives, as far as we know it. Once this goes there is no one other place.
  • The sun is the predominant source for energy input to the Earth. Both long- and short-term variations in solar intensity are known to affect global climate.
    • Munaza EWSIS
       
      The sun is what the earth makes the earth warm and gives energy. Too much engery is bad.
Houin EWSIS

United Nations Climate Change Conference 2009 - Wikipedia, the free encyclopedia - 0 views

  • The United Nations Climate Change Conference is taking place at the Bella Center in Copenhagen, Denmark, between December 7 and December 18, 2009.
    • Houin EWSIS
       
      This is important,because it shows the country where the conferer is,and the days of the conferer start and the end.
  • European Union To cut greenhouse gas emissions by 30% below 1990 levels by 2020 if an international agreement is reached committing other developed countries and the more advanced developing nations to comparable emission reductions. To cut greenhouse gas emissions by 20% below 1990 levels by 2020 unconditionally
    • Houin EWSIS
       
      This makes me wonder about the contry. Is that all of the country in european union will follow what they accept to do?
  • At this international conference, 250 high-ranking representatives from industry, science, politics and non-government organizations discussed solutions for future road transportation under the motto of "Sustainable Mobility– United Nations Climate Change Conference 2009|the Post-2012 CO2 Agenda"
    • Houin EWSIS
       
      This is important,because it show that why the country in the world need to have a conference,because they need to discuss some thing that will affect the world.
  • ...2 more annotations...
  • Potential focus areas for TAPs include early warning systems, expansion of salinity-tolerant crops, electric vehicles, wind and solar energy, efficient energy grid systems, and other technologies.[30]
    • Houin EWSIS
       
      This is important because it show the potenial focus area for TAPs include early warning system, and the expansion of salinity-tolerant crop and some other technologies.
  • A leaked document known as "The Danish Text" has started an argument between Developed and Developing Nations. The document was subtitled as "The Copenhagen Agreement", proposes measures to keep average global temperature rises to two degrees Celsius above pre-industrial levels.
    • Houin EWSIS
       
      I have a question about that 2 document.What is the document ''The Danish Text'' that argu about between the develop and develop nations?
Shehrina EWSIS

E.T. to Earth: Don't Get Me Sick - Space | NASA | Solar System | Planets | Shuttle | As... - 0 views

  • "If terrestrial bugs make it to Mars can they survive and grow, or would they be able to thrive in extreme environments?" asks lead author of the paper Wayne Nicholson, who is a professor at the Department of Microbiology & Cell Science at the University of Florida, Kennedy Space Center. "So far, our results show that they wouldn't be able to grow."
  •  
    This is pretty interesting to be because imagine they find a way to plant trees & flowers in mars and they actually survive. Then people might be able to live there too. That would be pretty awesome.
1 - 11 of 11
Showing 20 items per page