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kfield
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Re: Mars mission success
kfield   8/31/2014 10:53:04 AM
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@wilbur_xbox "I had high hopes that mars mission will start the kind of space race that moon landing did."

I agree - the moon landing produced the highest number of enigneering graduates in the US (counting anyone old eough to have been witnessing the moon landing) and a Mars challenge would I think do the same.

kfield
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Re: Lack of magnetic field
kfield   8/31/2014 10:51:32 AM
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@Bert22306 "I  think one problem with Mars is that it lacks a magnetic field. It's the magnetic field we have on earth that protects us from solar radiation, in addition to keeping the atmosphere from being blown away gradually."

I was at Luke's talk and he showed a slide with a guy in what looked like either a cleanroom or cold weather suit during testing of the rover. But Luke pointed out it was a "Sun protection suit" as they were simulating the amount of solar radiation on Mars, given the weak atmosphere.

wilber_xbox
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Mars mission success
wilber_xbox   8/31/2014 8:39:10 AM
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I had high hopes that mars mission will start the kind of space race that moon landing did. That was also the time that lead to the birth of today's electronics and telecommunication technology. 

DrFPGA
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Re: Lack of magnetic field
DrFPGA   8/30/2014 6:59:50 PM
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Maybe the electromagnetic power source listed in the article could be used to power a planet sized magnet to reduce radiation levels. Might need lots of CU wire however...

Bert22306
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Lack of magnetic field
Bert22306   8/29/2014 6:00:10 PM
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Fascinating stuff, as always.

I think one problem with Mars is that it lacks a magnetic field. It's the magnetic field we have on earth that protects us from solar radiation, in addition to keeping the atmosphere from being blown away gradually.

Also, it sh/would be a surprise if all rocky planets, such as Mars and Venus, didn't have a hot core. My bet is that they're formed much like Earth.

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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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