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bdfloyd
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bdfloyd   9/7/2012 5:53:52 PM
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An Engineer is an artist who wants to know why.

koldeng
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koldeng   8/29/2012 7:01:52 PM
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I agree that middle-schoolers are quite bright individuals...and even younger than that! When I was just 7 years old, I wrote out my theory of how the planets formed by the accretion of dust particles (I still have the paper!), only to be laughed at by my science teacher. Many years later, that same theory was embraced by cosmologists...never underestimate a child's imagination!

abraxalito
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abraxalito   6/30/2012 2:40:19 AM
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I'm with the middle schoolers. The question that interests me is - what are we doing with our middle schoolers to turn them into high schoolers? The difference in the two choices says to me that somehow we're maybe knocking the stuffing out of them.

Man21
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Man21   6/23/2012 9:10:26 AM
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A quote from the eminent 'engineer' Theodore von Karman: 'Scientists study what is. Engineers create what has has never been.' Scott Hamilton.

Tiger Joe
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Tiger Joe   6/13/2012 10:00:18 PM
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In that case, there are engineers that exist only on paper (i.e. have the degree and PE license), and there are engineers that exist in practice (technicians, mechanics, and many others with less formal training).

RWatkins
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RWatkins   6/12/2012 2:32:03 AM
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Mr VectorForce, please put your engineering hat on, develop a design that fits the problem at hand, and declare that your first step will be 512/1023 of the distance to the target, then your steps will be 512, 768, 896, 960, 992, 1008, 1016, 1020, 1022, and finally 1023 parts of the 1023 divisor. QED! Our job as engineers is not to question IF it can be done, but determine HOW to do it.

t.alex
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t.alex   6/10/2012 5:01:15 AM
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Well this depends on the definition of 'design' here.

donq_#1
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donq_#1   6/8/2012 9:53:01 PM
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Or, just initially aim well past the target and stop before you get there.

dforce441
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dforce441   6/6/2012 6:55:02 PM
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Actually, the problem would have to be each step is less than half the distance to the target. As worded, just take one step all the way to the target.

GordonScott
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GordonScott   6/6/2012 1:46:08 PM
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A mathematician, a scientist and an engineer are given with a problem to resolve for a great prize. They can take up to 10 steps to reach a target, but each step must be no greater than half the size of the previous step. The mathematician declares it mathematically impossible. The scientist says it appears impossible but will try it, which he does and proves it's impossible. The engineer thinks a bit and says "ten steps gives us an answer to better than 0.1%, which is within reasonable measurement tolerances for this problem, I claim the prize".

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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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