iSGTW - International Science Grid This Week
iSGTW - International Science Grid This Week
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Home > iSGTW 5 August 2009

Issue 136: iSGTW 5 August 2009

 

Flip-flopping of black hole accretion disks scrutinized


Do whirlpools of gas flip-flop as they are sucked into black holes? According to a new simulation powered by TeraGrid, the answer is “Yes.”

The accretion disk of a black hole forms from gas attracted by the black hole’s massive gravitational pull. For the last 20 years, astrophysicists have debated whether the whirlpool-like motion of the accretion disk will periodically reverse motion, a behavior called ‘flip-flop.’

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GridTalk  
           

Climate change is one of the biggest challenges of the 21st century. What can we in  information and communication technology do to help? Find out in GridTalk’s latest GridBriefing, which was just released.

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Feature

 GridFTP accelerates traffic on the World Wide Grid

GridFTP doesn't just speed up transfers — upcoming upgrades aim to create a more user-friendly experience.


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Meet the Editor

/U.S. Editor: Change is here to stay

New U.S.-based editor Miriam Boon reflects on the grid’s place in the history of science and society.

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Link of the week

/Chatting about where cloud meets grid

A new Google Group called HPCcloud provides a place to chat about clouds and grids.

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Null
 iSGTW 8 September 2010

Feature - BiG Grid’s big idea

Research - Inflated performance

Profile - People behind EGI: Tiziana Ferrari

Link of the week - News from the CCS

Image of the Week - iSGTW goes to Amsterdam

 Announcements

Deadline extended to 12 Sept  for abstracts, CGW10, Krakow, Poland

DEISA Training Courses, 14 - 16 Sept at EPCC, Edinburgh, UK

CERN Open Lab Workshop, 22-23 Sept, Geneva, Switzerland

Registration open, AGU Fall 2010 Meeting, San Francisco, USA

Jobs in distributed computing

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 Mark your calendar

September 2010

 

6-8, IASTED in Botswana

6-9, PRACE Training Week

6-10, GridKa School 2010

13-15, CaBIG

13-16, UK All Hands Meeting

14-16, DEISA Training Course

14-17, EGI Technical Forum

20-24, Cluster 2010

21-23, Cybera Summit 2010

22-23, CERN Open Lab

23, DECIDE

27-29, ICT 2010

30, ICRI

 

More calendar items . . .

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