New York is a very famous city, no doubt about it. Lay on the Manhattan island, it becomes the largest city in the world. The movie spiderman took its setting on the new york city. We often see screenshots of spiderman hanging on the empire state building.

I see the landscapes of manhattan from google earth and it fascinate me, the density, the crowd, the building, they all great. It is second to none. When it comes to landscapes or highlites it is so great.

The beautiful Sarah Jessica Parker played so well on Sex in The City, that took place also on the New York City. That what makes this city to be a perfect tourism destination. As a main tourism object many people would need proper accomodation like staying places and a very good transportation.

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The thickness of ice on the north pole is tend to decreasing each year on. It even reach its lowest point on summer 2007. This is a serious fact of the global warming.

The ice thickness on summer summit last year is about 23 percent lower than the minimum level of 2005. If the trend continues, it is not impossible that predictions of some experts will come true that whole ice on arctic will melt on summer.

Christian Haas from Alfred Wegener Institute for Polar and Marine Research in Bremerhaven, Germany along his teammates estimated the sea ice thickness during summer in 2001, 2004, and 2007. They discovered the average thickness during summer 2007 is 1,3 meters. As comparation, the thickness of ice is 2,3 meters on 2001, and 2,6 meters on 2004.

The team left for the arctic with the ship RFV Polarstern on august and september of 2001, 2004, and 2007. Meanwhile, they use helicopter-borne to measure the ice thickness. Before that glassiologist measuring the ice thickness directly above it. According records, the ice thickness in 1991 is 3,1 meters.

We must unite in real action to slow down the speed of global warming by living a simple life, simple life means less energy, less waste, less garbage, and less carbondiocside. The key is simple, stop being greedy.

Not long from now we will be able to see the magic like Harry Potter cloak comes true. Scientists have discovered metamaterial, a smart material that will redirect incoming lights. That will make any object beneath the cloak will be invisible.

For the first time experts from Berkeley, California, has made it to create such material in 3 dimensional form. That also means that the material can already be used to make the invisibility cloak, like Harry Potter wonder the alleys of Hogwarts without people having knowledge of his presence.

Metamaterial developed in University of California, let radio waves and lights that hit its surface to flow like water around stones on a rivers bottom. This material is a mix compound consist of metal and ceramic, teflon and composite fiber.

How it works is more advanced than stealth jet plane, that also redirect waves to wider angle so it would be difficult to be recognized. Metematerial redirect light that fall upon it so will never be reflected. The law of physic stated that matter be only visible if light reflected by object fall into our eyes.

Visible light is just one wave that can be controlled. If electromagnetic wave, radio wave, infrared and X-ray can also be controlled, those technology will be so much useful.

I think this type of technology cannot fall to the wrong hand.