"Take that!""What the...?"
Tampilkan postingan dengan label ice. Tampilkan semua postingan
Tampilkan postingan dengan label ice. Tampilkan semua postingan
Senin, 09 Mei 2011
Selasa, 03 Mei 2011
Minggu, 01 Mei 2011
Jumat, 29 April 2011
Sabtu, 13 November 2010
Expensive Polar Beer
The world revolves around beer. Some people think so. There are beer connoisseurs out there. Some time ago the Sea Shepherd ship fighting against Japanese whaling brought back polar ice which was made into beer. It was auctioned to raise money for "Operation No Compromise" for the grand sum of $8,000.
Beers really getting a run lately. This is a challenge to "space" beer which is to be made for space flights and will take into account gravity and its effect on the carbon dioxide in the beer as well as viscosity.
Why the interest in beer? It is so easy to make - just some malt barley, water and yeast. That's all there is to it. I suppose wine is even simpler. All you need is fruit from the grape vine. As humans we always like to play with our food - in this case, drink.
Beers really getting a run lately. This is a challenge to "space" beer which is to be made for space flights and will take into account gravity and its effect on the carbon dioxide in the beer as well as viscosity.
Why the interest in beer? It is so easy to make - just some malt barley, water and yeast. That's all there is to it. I suppose wine is even simpler. All you need is fruit from the grape vine. As humans we always like to play with our food - in this case, drink.
Sabtu, 16 Oktober 2010
Senin, 22 Februari 2010
Sabtu, 23 Januari 2010
Humans Wiped Out Australia's Megafauna
Humans destroy more things in the environment than climate change. This is especially the case in Australia where over the last 50,000 years people have wiped out the county's megafauna. Before Aboriginals arrived flightless birds, large reptiles and giant marsupials lived a carefree existence.
Humans slaughtered the large animals in a very short period of time. More accurate dating of bones shows that megafauna died out abruptly. When the giant creatures were in large numbers there is no evidence of human tools. After the Diprotodon, Australia's largest marsupial, large kangaroos and flightless birds died out stone tools appeared. Accurate dating shows they did not exist at the same time even though they were found together at certain locations. When humans became settled the large animals were gone. The odd thing is that humans and megafauna must have coexisted for at least 5,000 years. But this is a very narrow window to find evidence of both living side by side.
This gives weight to the theory that the arrival of modern Man in the Americas caused the demise of the mammoth. Though there is a problem with the American story. Megafauna "ruled" during the ice age which occurred 12,000 years ago. Its seems that when the ice ages ended life changed for the large animals. The climate was then well and truly against the survival of mammoths, short-faced bears, giant bison and sabor-toothed tigers. Some megafauna, however, continued to survive in Kansas, and Nebraska after the ice age period. The skeleton of a giant beaver has been found dating from 10,000 years ago. So Man could still be the culprit.
Humans slaughtered the large animals in a very short period of time. More accurate dating of bones shows that megafauna died out abruptly. When the giant creatures were in large numbers there is no evidence of human tools. After the Diprotodon, Australia's largest marsupial, large kangaroos and flightless birds died out stone tools appeared. Accurate dating shows they did not exist at the same time even though they were found together at certain locations. When humans became settled the large animals were gone. The odd thing is that humans and megafauna must have coexisted for at least 5,000 years. But this is a very narrow window to find evidence of both living side by side.
This gives weight to the theory that the arrival of modern Man in the Americas caused the demise of the mammoth. Though there is a problem with the American story. Megafauna "ruled" during the ice age which occurred 12,000 years ago. Its seems that when the ice ages ended life changed for the large animals. The climate was then well and truly against the survival of mammoths, short-faced bears, giant bison and sabor-toothed tigers. Some megafauna, however, continued to survive in Kansas, and Nebraska after the ice age period. The skeleton of a giant beaver has been found dating from 10,000 years ago. So Man could still be the culprit.
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