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Comment Re:My predictions (Score 1) 267

Sorry that is knowledge after the fact. I did not know it. I looked it up a few days after I said I thought C3PO did not have a skin. At some point it started to bother me so I looked it up. I'm not sure how much of that is retrofitted just to allow the droids to be in the first 3 movies.

Nevermind!

Comment Re:My predictions (Score 1) 267

I did actually look around to find out why Darth Vader did not know C3PO and vs versa.

When they made the prequels they did consider it. Hence C3PO not having a skin for the first two films (why darth vader does not know him). And why C3PO is ordered to forget everything at the end of ep3 (so he does not know darth vader)

Woooo that is far more than I wanted to know about starwars. I thought it was cool when I saw the first three back to back in a cinema in the 1993. I had seen them before but never in a cinema :)

Comment Re:By the same logic (Score 1) 335

Military aircraft went beyond that in the 1980's (experimented with in the 70's) They are unstable. Impossible to fly without computers.

Most modern airliners are also not possible to fly without the computers working. Not because they are unstable. But because the are fly by wire. If the computers fail. and fall back. and that fails. and they fall back again and that fails you can not move the wibbly bits on the aircraft. The stick does not have wires of hydraulics connected to the flight surfaces. You had better hope them computers keep working.

Comment Re:By the same logic (Score 1) 335

People are still in control because there are many reasons why a target is not a target.

Phalanx and even older weapons systems can work in fully autonomous modes. (TELAR, PATRIOT and other missile defence systems can also do so).
They are not used in that way as if they are then a match is good or bad based on what they know. What they know is not very much. They are not listening on VHS for example, to some pilot saying "opps, sorry. Where exactly are we?" or a sailor saying "We are a trawler and have nets out. We can't get out of your way please avoid"

There are lots of reasons why things go wrong and hopefully a human in the loop can assess the out of band information and make a good decision.

 

Comment Re:The Golden Gate Bridge (Score 1) 594

Most transatlanic air flight is just for fun. Most is for people going on holidays. That still has a demostrable and economic and societal purpose. And a massive enironmental impact.

But I agree with you.

Risk is something each person chooses in this kind of endevour. Why have there always been so many astrounauts in the US space program? They are the best of the best of all that apply and yet they still want so sit on many hundreds tons of BANG.

Test pilots may be nutters. As long as they knew what they were getting into (and I think they would not take a chance if they did not know) (well maybe as they are nutters) all the best for them.

Comment Re:Well (Score 1) 594

Of the 700 ton (700,000kg) remaining mass the second stage (480 ton) 480,000kg took it from 7,880 f/s to 21,368 f/s velocity at 101 nm altitude
The third stage 128 ton (128,000kg) stuck it into orbit at 24,000f/s and was then used for the translunar orbit burn.

The rest of the mass went to the moon. Landed and returned.

Not exactly efficeint.

Sorry the GP's claim of 10 percent is so wrong I thought I would see exactly how wrong it was. And the answer was very very :)

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