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I guess you will just have to apply your existing algorithms for this one...

Prezi is a cloud-based presentation software that opens up a new world between whiteboards and slides. The zoomable canvas makes it fun to explore ideas and the connections between them. The result: visually captivating presentations that lead your audience down a path of discovery.

nice exercice to all scientists. I guess it is how you explain number theory to your kids ;-)

The longerons will expand and contract with exposition to sun (I think whatever the material they are made of). Because you have 4 longerons in a mast, you just need to be carefull that the mast is well balanced, and that the 4 longerons support each other, basically, you need an even number of shadowed longerons, possibly 0 too. I would call this an operational constraint.

Apophis is back! You can watch its close approach live. Announcement: http://images.slooh.com/files/press_release/asteroid_apophis2013.pdf

try without the "www"; esa.int / nasa.gov / dlr.de / cnes.fr ...

Have you seen this?!

The International Space Apps Challenge is now over, it is interesting to have a look at the solutions ...

c'mon really! To name a few: - Tour of the Solar System ... that is one of the numerous specialities of the ACT. - Satellite data correlation tool ... solution is flawed, but I really like the idea. Lot of added value. I definitely think are interestung stuffs to do there for cheap. - Aurora project: Model & Data ... space weather not interesting?! - Kepler ... a classic Do not expect the solutions to be tremendous just after 3 days of work, but the proposed list of challenges are "seeds" for innovation to me.

On March 28, ATV-3, named Edoardo Amaldi, docked with the ISS. Astronauts on the station took this unbelievable picture of it as it approached

Analysis of a recent Java flaw exploited by the Flashback Trojan reveals that more than 550,000 Macs were affected in the U.S. and abroad, according to anti-virus vendor Doctor Web. "This once again refutes claims by some experts that there are no cyber-threats to Mac OS X," Doctor Web said in a Tuesday blog post. lol :)

"On March 28, the Defense Advanced Research Projects Agency will kick of another one of its highly successful challenges this time looking for teams or individuals to develop unique algorithms to control small satellites on-board the International Space Station. " Will the ACT participate?

always impressive...

Inside the SpaceX Dragon capsule. Did you say cosy ?

Agency wants to send mini robots into space to recycle and reuse antennas from more than 1,300 dormant satellites in geostationary orbit above the earth.