- April 2007 in science
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2007 : ← - January - February - March - April - May - June - July - August - September - October - November - December - →Events in Science and Technology
April 25 2007 *A method to measure the
mass of a cell with high precision, without exposing it tovacuum , is published in "Nature". [http://news.bbc.co.uk/2/hi/science/nature/6592975.stm (BBCNews)]
*The Japanesespacecraft Hayabusa ignites one of its fourrocket engine s to begin its flight back toEarth . [http://spaceflightnow.com/news/n0704/25hayabusa (SpaceflightNow)]April 18 2007 *The
BlackBerry network, supporting the transfers ofE-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 theAtlantic Ocean is published in "Geophysical Research Letters ". Its authors believe an increase inwind shear created by a warmerclimate 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 thegeodetic effect predicted bygeneral 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 withDoubleClick to buy the company for 3.1 billionUnited 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 forwater vapor in its atmosphere. If confirmed, this would be the firstextrasolar planet shown to have water. [http://www.spaceref.com/news/viewpr.html?pid=22351 (SpaceRef.com)]April 5 2007 *
CERN andFermilab engineer s announce that a failure of amagnet within the LHCparticle accelerator may delay the start of the experimental campaign of the project. [http://www.reuters.com/article/scienceNews/idUSL054919720070405 (Reuters)]References
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