Print Advertisement - Black Hole
Last modified on 2008-09-06 18:33:20 GMT. 0 comments. Top.
Subject of scary space movies, a black hole is an area of space with such a high gravitational field the nothing can escape it after crossing its event horizon. As a result, it is impossible to detect or measure a black whole itself; one can view the effects it has on surrounding matter as it is pulled into the singularity at a black hole’s center, but one can not see the singularity itself as it absorbs all electromagnetic radiation.
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Print Advertisement - Blue Marble
Last modified on 2008-09-06 18:37:09 GMT. 0 comments. Top.
The crew of the Apollo 17 spacecraft took this photograph during the last mission to the moon. It was initially released during an increase in environmental activism during the 1970s, when it was seen as a picture of the Earth’s fragility, and has since become one of the most widely distributed photographs ever. It is informally called the “Blue Marble” because Earth looked like it was a child’s marble to the astronauts. No other astronauts since then have been far enough away from the Earth to take a whole-Earth picture.
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Print Advertisement - Kyoto
Last modified on 2008-09-06 18:43:40 GMT. 0 comments. Top.
In 1997, Kyoto, Japan hosted the 3rd Conference of the Parties of the United Nations Framework Convention on Climate Change. The result of this conference is what is today known as the Kyoto Protocol. Developed nations that have endorsed this protocol have pledged to reduce their emissions of greenhouse gasses to below their emission levels from 1990. If a country chooses not to reduce their emissions, they may participate in an emissions trading program, in which they obtain “carbon credits” by purchasing them from other countries or participating in greenhouse gas emission reduction projects.
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Print Advertisement - Pale Blue Dot
Last modified on 2008-09-06 18:48:16 GMT. 0 comments. Top.
The Voyager 1 space probe took this picture of the Earth from a record distance in 1990. Astronomer Carl Sagan once said, “That’s here. That’s home. That’s us. On it everyone you love, everyone you know, everyone you ever heard of, every human being who ever was, lived out their lives. The aggregate of our joy and suffering, thousands of confident religions, ideologies, and economic doctrines, every hunter and forager, every hero and coward, every creator and destroyer of civilization, every king and peasant, every young couple in love, every mother and father, hopeful child, inventor and explorer, every teacher of morals, every corrupt politician, every “superstar,” every “supreme leader”, every saint and sinner in the history of our species lived there – on a mote of dust suspended in a sunbeam.”
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Print Advertisement - Plastics
Last modified on 2008-09-06 18:53:34 GMT. 0 comments. Top.
PET stands for polyethylene terephthalate ((C10H8O4)n), which is one of several plastics used to make soda and water bottles. PET bottles are very easy to recycle compared to other plastics, as they are generally made almost exclusively of PET. This makes them very easy to identify and separate out when mixed in with other waste materials. About 1.5 million tons of PET are collected for recycling per year; it is forcast that in 2010, Europe alone will collect at least one million ton for recycling.
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Print Advertisement - Sushi
Last modified on 2008-09-08 02:15:58 GMT. 0 comments. Top.
The contemporary culinary delight known internationally as “sushi” was invented by Hanaya Yohei in Japan near the end of the Edo period (sometime during the 1850s). Today sushi has spread throughout the world, and comes in many varieties, such as the nigiri-zushi, maki-zushi, and temaki-zushi pictured above. Sushi arrived in the United States in the 1950s, and its popularity exploded near the end of the century – the number of sushi bars in the U.S. quintupled from 1988 to 1998.
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