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Comment Re:How does this work exactly? (Score 1) 28

Yep. I have different degrees of long-sightedness in each eye plus varying amounts of astigmatism. How is a gadget like this going to show each eye what it needs?

Since I'm already wearing glasses to drive with, my eyes would have to adapt again to view whatever this gadget is displaying. They're already doing that without spending money on the gadget. FAIL.

Comment Re:How surprising... not (Score 1) 110

Mars' atmosphere is about 1.5 % of Earth's atmospheric density. It's around 20 mBar, or eight times too thin for sustaining life even if it was pure dioxygen. For all practical purposes it's near-vacuum. And vacuum makes for a very good thermal insulator.

Well, yes, but then the thin atmosphere doesn't interfere as much with radiative effects. If this were not so, Mars would be hot because of the continuous radiation input from the Sun, retained by the rock.

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