April 2007 in science

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Events in Science and Technology

April 25 2007

*A method to measure the mass of a cell with high precision, without exposing it to vacuum, is published in "Nature". [http://news.bbc.co.uk/2/hi/science/nature/6592975.stm (BBCNews)]
*The Japanese spacecraft Hayabusa ignites one of its four rocket engines to begin its flight back to Earth. [http://spaceflightnow.com/news/n0704/25hayabusa (SpaceflightNow)]

April 18 2007

*The BlackBerry network, supporting the transfers of E-mail messages, is interrupted for a period of multiple hours, starting around midnight UTC. [http://www.reuters.com/article/newsOne/idUSN1824569620070418 (Reuters)]

April 17 2007

*A study on the effect of global warming on hurricanes in the Atlantic Ocean is published in "Geophysical Research Letters". Its authors believe an increase in wind shear created by a warmer climate may hinder the formation of hurricanes, similar to the El Niño effect. [http://www.reuters.com/article/scienceNews/idUSN1741945220070417 (Reuters)]

April 16 2007

*Results from a preliminary study are made public, using the Gravity Probe B data. They provide confirmation for the geodetic effect predicted by general relativity. The overall margin of error on the measurement is estimated to be below one percent. [http://news.bbc.co.uk/2/hi/science/nature/6561391.stm (BBCNews)]

April 13 2007

*Google reaches a deal with DoubleClick to buy the company for 3.1 billion United States dollars. [http://www.nytimes.com/2007/04/14/technology/14DoubleClick.html?ref=technology ("The New York Times")]

April 10 2007

*"Astrophysical Journal" accepts for publication a study on HD209458's "Hot Jupiter" planet, that shows compelling evidence for water vapor in its atmosphere. If confirmed, this would be the first extrasolar planet shown to have water. [http://www.spaceref.com/news/viewpr.html?pid=22351 (SpaceRef.com)]

April 5 2007

* CERN and Fermilab engineers announce that a failure of a magnet within the LHC particle accelerator may delay the start of the experimental campaign of the project. [http://www.reuters.com/article/scienceNews/idUSL054919720070405 (Reuters)]

References