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rick merritt
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re: Mars Curiosity gets down to science
rick merritt   11/25/2012 10:07:54 PM
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This is sooo coool. Science and human endeavor at its best. Thanks for the coverage, George, BTW, two lead engineers from Curiosity were on the NPR comedy program "Wait, Wait Don't Tell Me." Not only are they smart, they are funny! http://www.npr.org/programs/wait-wait-dont-tell-me/

Duane Benson
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re: Mars Curiosity gets down to science
Duane Benson   11/24/2012 5:44:56 AM
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I take it that this is more or less like taking two self-portraits; one with the right hand and one from the left, then cutting it apart and stitching together the two sides when each was not holding the camera. It makes for a pretty interesting self-portrait and at first glance doesn't seem possible.

Francois R
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re: Mars Curiosity gets down to science
Francois R   11/23/2012 5:14:51 PM
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Ok, now I understand: this is a mosaic: the arm is not on the final picture, but must be on each single pictures. Cool!

Francois R
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re: Mars Curiosity gets down to science
Francois R   11/23/2012 5:10:54 PM
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Right, but when you do a self portrait, you always see the arm that holds the camera. I can't see any arm on the photo, like if the camera was floating about or standing on a tripod.

jdesbonnet
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re: Mars Curiosity gets down to science
jdesbonnet   11/22/2012 11:44:35 PM
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Here are the details of the MSL self portrait photo: http://www.nasa.gov/mission_pages/msl/multimedia/pia16239.html

jdesbonnet
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re: Mars Curiosity gets down to science
jdesbonnet   11/22/2012 11:42:01 PM
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From what I recall: that's taken from a camera on the robot arm. So it's like taking a photo of yourself at arms length.

reanimator0
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re: Mars Curiosity gets down to science
reanimator0   11/22/2012 9:03:55 AM
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I find these pictures really fascinating. But there is one question, which leaves me no calm: How such "Self portrait" could be physically taken when only single one (to my knowledge) robot exists on Mars?! It looks like that photo made by standalone observer - no physical contact between camera and robot is visible on this picture.

reanimator0
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re: Mars Curiosity gets down to science
reanimator0   11/22/2012 9:00:55 AM
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I find this pictures really fascinating. But there is one question, which leaves me no calm: How such "Self portrait" could be physically when only single one (to my knowledge) robot exists on Mars?!



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As data rates begin to move beyond 25 Gbps channels, new problems arise. Getting to 50 Gbps channels might not be possible with the traditional NRZ (2-level) signaling. PAM4 lets data rates double with only a small increase in channel bandwidth by sending two bits per symbol. But, it brings new measurement and analysis problems. Signal integrity sage Ransom Stephens will explain how PAM4 differs from NRZ and what to expect in design, measurement, and signal analysis.

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