IR energy in light that reaches the ground is absorbed and reflected back up, and then back down again - ground, atmosphere and ground absorb the heat. Light stopped by the atmosphere sends IR both up (lost) and down (not much)
I tink that covers it but I have little more time to explain - I have to write 3 reports.
According to an installment of NOVA on PBS called "Origions",
I hope this is your spelling, not theirs, though it might explain the errors.
Without this magnetic shield, the sun's radiation strips away the planet's atmosphere and other volatile compounds such as water
No. The problem here is not solar wind, but solar radiation, which is currently deflected by the Earths magnetic field. Radiation hurts.
The atmosphere will not magically disappear, though it may change radically. The atmospere stays here due to gravity, which, for its size, Earth has quite a bit of.
With not magnetic field to shield it's surface, the atmosphere thinned and water became scarce
The atmosphere of Mars disappeared (assumption 1) due to low gravity more than anything else. To achieve a sea level air pressure similar to Earths, a Martian atmosphere would be many times deeper, with the upper reaches so far out they can easily bleed off into space. With no/very little gasseous production on Mars, the atmosphere is not replaced.
Admittedly they have done a lot more theoretical and design work than just slapping angle together then making it move, but http://www.mechaps.com/ have a very clever project ongoing. Check out the images section for up-to-date concept and design sketches.
Not counting the ability to only explore one area of the planet, not two (you do know they didn't land side by side don't you?) and the complexity of a system to clean the panels of another rover - far more difficult than cleaning their own panels.
shall I go into how the degredadion is not only due to dust, but also radiation damage and chemical degredation?
Looking past the uses in TFA, one good though far off possibility is to have cars all travelling to the same route "train up" real close to each other - one lead car makes the decisions, cars can peel in and out as their route dictates etc. For long journeys, rotate the front duty, just as you see olympic cycle teams do. The long chain of cars uses less fuel than the same number of independant cars, and behaves only slightly more complex than one car.
Obviously this is in the self drive car realm of probabilities, but hey, we might as well try.
Oh yeah, "imagine an ad hoc network of these" jokes coming soon
thats because it's just random noise - half a conversation. You will be intrigued despite yourself to know what the replies are. A full conversation, although irritating, makes sense to your ear and thus can be tuned out.
if you have the space and the power doesn't concern you, go CRT
If you don't have the space, is a cost/quality thing - big plasma looks great from further away, but grainy (even on $7000 sets in my exp) close in. LCD can be better quality and also consumes less power and produces less heat than Plasma.
Enjoy - I'll continue saving up for the upgrade from my 14" crt...
Slashdot Mirror
...until people stop wanting them badly enough
and die?
It's 'free' because incoming calls are made to premium rate numbers which subsidise the outgoing costs
So if I call you i'm charged premium rates?
I have to assume here either you don't have friends, or you don't want friends, or all your friends have VOIP.
not trolling, just the way i read it.
this I would like to see.
A crank, now that's less interesting.
What do the people living under power lines think will happen if they won their cases?
I always wondered about this...
IR energy in light that reaches the ground is absorbed and reflected back up, and then back down again - ground, atmosphere and ground absorb the heat.
Light stopped by the atmosphere sends IR both up (lost) and down (not much)
I tink that covers it but I have little more time to explain - I have to write 3 reports.
then buy a good quality used kit car - handbuilt, massively powerful and sweet looking.
wow
Have you priced up small atoms lately?!
yup, I feel stupid. Thanks for expanding my knowledge though.
I'll bite.
According to an installment of NOVA on PBS called "Origions",
I hope this is your spelling, not theirs, though it might explain the errors.
Without this magnetic shield, the sun's radiation strips away the planet's atmosphere and other volatile compounds such as water
No. The problem here is not solar wind, but solar radiation, which is currently deflected by the Earths magnetic field. Radiation hurts.
The atmosphere will not magically disappear, though it may change radically. The atmospere stays here due to gravity, which, for its size, Earth has quite a bit of.
With not magnetic field to shield it's surface, the atmosphere thinned and water became scarce
The atmosphere of Mars disappeared (assumption 1) due to low gravity more than anything else. To achieve a sea level air pressure similar to Earths, a Martian atmosphere would be many times deeper, with the upper reaches so far out they can easily bleed off into space. With no/very little gasseous production on Mars, the atmosphere is not replaced.
And American soldiers are dying by the score to help preserve that way of life.
You have no idea how much self control it takes not to go into the troll/flamebait/bad taste area.
pints
you obviously don't own a cat.
If you have water under preasure at a temperature higher 90 celsius it will not make a good source drinking water.
Houston - this water is too hot, we're coming back~
Houston to mars - have you tried cooling it?~
Mars here - oh yeah...~
no, your opinion rights were revoked by the **AA yesterday. Now shut up and consume.
Admittedly they have done a lot more theoretical and design work than just slapping angle together then making it move, but http://www.mechaps.com/ have a very clever project ongoing. Check out the images section for up-to-date concept and design sketches.
Not counting the ability to only explore one area of the planet, not two (you do know they didn't land side by side don't you?) and the complexity of a system to clean the panels of another rover - far more difficult than cleaning their own panels.
shall I go into how the degredadion is not only due to dust, but also radiation damage and chemical degredation?
|snip|...shorts...down...into...teens...|snip|
The horror!
John? that you?
see that little checkbox, just below the comment box? Yeah, the one that says "Post Anonymously"
D'oh
Looking past the uses in TFA, one good though far off possibility is to have cars all travelling to the same route "train up" real close to each other - one lead car makes the decisions, cars can peel in and out as their route dictates etc. For long journeys, rotate the front duty, just as you see olympic cycle teams do. The long chain of cars uses less fuel than the same number of independant cars, and behaves only slightly more complex than one car.
Obviously this is in the self drive car realm of probabilities, but hey, we might as well try.
Oh yeah, "imagine an ad hoc network of these" jokes coming soon
I for one...Aghkk! Mustn't!
thats because it's just random noise - half a conversation. You will be intrigued despite yourself to know what the replies are. A full conversation, although irritating, makes sense to your ear and thus can be tuned out.
Why oh why do stories like this only come along After I blow my mod points?
Come to think of it - how come my cat isn't smart enough to get a degree?
if you have the space and the power doesn't concern you, go CRT
If you don't have the space, is a cost/quality thing - big plasma looks great from further away, but grainy (even on $7000 sets in my exp) close in. LCD can be better quality and also consumes less power and produces less heat than Plasma.
Enjoy - I'll continue saving up for the upgrade from my 14" crt...