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re: Elon Musk: Gazing at the stars
Judge   11/22/2012 12:42:07 AM
Elon Musk is a Hero too a lot of us. And a well deserved one I heartily admit. I pasted this from the top ""The company designed and built in-house the Merlin engines that power its Falcon 9 rocket. It also developed key components like the guidance and rendezvous technologies needed to reach the station."" This is all there is since Armadillo and Masten and a few others have remained small,,Musk has the ball$$ to Go for It. Every Single time those Merlin-9's start screaming,,, ,The above phrase starts ""The company"". Everything proofed after this. Company is proven when the candle is lit.Give them the credit they deserve!!! Go SpaceX!!!!! Go-Cowboys!!!!! Happy Thanksgiving to all the World!!!!!! a joe in Texas

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re: Elon Musk: Gazing at the stars
george.leopold   11/20/2012 9:29:08 PM
John Pike holds aerospace companies to a very high standard because manned spaceflight remains a very dangerous business. In the Apollo days, engines were tested well beyond their operational limits so engineers had a better understanding of how to design safety into a vehicle. This involved the blowing up of a lot of rockets. Obviously, things have changed since the 1960s, and SpaceX has so far done an excellent job with incremental advances. As stated, the real test comes when humans are strapped into the Dragon spacecraft. That won't happen until NASA managers are satisfied that the SpaceX spacecraft and rocket are "man-rated."

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re: Elon Musk: Gazing at the stars
walken1   11/20/2012 4:51:55 PM
Agreed. I'm puzzled by Pike's reference to "random success". Success is success, period. It's unfortunate that there's an entrenched group that refuses to believe that private enterprise has a role to play in space exploration and is hoping to see SpaceX fail to prove themselves right.

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re: Elon Musk: Gazing at the stars
bcarso   11/19/2012 5:16:33 PM
So true. I am delighted at their success.

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re: Elon Musk: Gazing at the stars
zhaphod   11/19/2012 4:50:37 PM
Linux torvalds once said - "Talk is cheap, show me the code". I think this applies to critics of Elon Musk in general and SpaceX in particular. Everyone acknowledges that getting rockets right is hard. Hell SpaceX will have a spectacular blow out sooner or later {I hope it doesn't}. But it should not be used to bury them and kill the dream of reusable rockets and mars.

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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