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Comment Re:The more things change the more they... change? (Score 2) 154

When this firts Macintosh came out my dad's friend, an academic, bought one. We went to his place to remonstrate to him. We pointed out the limitations of the little screen and the little keyboard but I noticed that the keyboard had none of the keys-which-do-nothing which I had on my CP/M machine at the time. The mouse made text edting simple and intuitive.

It was the way of the future, and it only needed a short look to convince me of that.

Comment Re:wind (Score 1) 180

Wind on Mars is not believed to be strong enough to move a rock of that size. The atmosphere of mars has a low density and wind speeds strong enough to move large rocks have not been recorded.

The water in that guy's pressure suit was not a mystery. The cooling system of the suit uses water to move heat around, much like the cooling system of a car. When you spring a leak, you get wet.

Comment Re:Can't be Curiosity debris (Score 1) 180

I suppose there could be bits of the bus and heat shield of Opportunity lying around the place, but that doesn't explain the sudden appearance. My other thought is that this is a bit of crud which the rover picked up during the landing and dropped during a manoevour. We have pictures of the top deck of the rover, but they can't show the whole vehicle.

Comment Re:Post a link, please (Score 1) 180

Wow that picture looks a lot more like a meteorite than I expected. I am not sure about the crater ejecta theory but it might well be a rock which hit the ground at terminal velocity and bounced off the rover. Objects like the rover would tend to accumulate little objects like stones around them becuse they get in the way of bouncing objects. This happens a lot on the moon where big rocks have little scree sloped of debris around them.

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