Sunday, April 18, 2010
flights across Europe appeared to be easing up but could continue to erupt for days or even months to come.Iceland's Meteorological Office said the cloud of ash above the volcano had shrunk to a height of 5 to 8 kilometers (3.125 to 5 miles) from 6 to 11 km (3.75 to 6.875 miles) when it started erupting earlier this week.
Sunday, April 11, 2010
India would have a GPS-based aviation navigation system by 2011, according to Praful Patel, Civil Aviation Minister, Government of India. He said that the GPS based navigation system would be in place by next year because by then India would launch its own satellite."In the meantime we would be doing trial run on borrowed satellite. This is for the entire Indian network.
Thursday, April 8, 2010
The study found that under certain conditions thawed permafrost can release as much nitrous oxide as tropical forests, one of the main sources of the gas.
Nitrous oxide, also known as "laughing gas," is ranked third behind carbon dioxide and methane in contributing to global warming, and is regulated under the Kyoto Protocols. According to the EPA, the gas is 310 times more effective in trapping heat than carbon dioxide. Sixty percent of the nitrous in the atmosphere is produced naturally.
Sunday, April 4, 2010
The 230-meter (754-ft) Shen Neng I was on its way to China when it ran aground on a shoal on Saturday. It had 950 tonnes of oil on board and officials said patches of oil had been spotted in the water early on Sunday, but no major leak.