0.3% of sahara is still 28.2 billion m2 Add construction, infrastructure, maintenance and storage for about 2/3 of the energy produced, and cost becomes prohibitively expensive. I'm not saying that we shouldn't do part of it, but it is infeasible to do it all. I'm not even sure there is enough copper left in the world to pull it off.
2% of Sahara's surface is still a MASSIVE area. And the production works best in the day time. Then there is that little problem of Sahara being a very unfriendly place for something like this. Constant wind and sand getting everywhere you don't want it, on the receptor surfaces and in the mechanics.
Sahara is about 9,400,000 km2, 2% of that is still 188,000 km2 or 188 billion m2
When ever I hear talk about renewable energy, they are always talking about peak capacity, they forget that at best a Wind Turbine only produced about 50% of its rated power on average. Too little wind, or too much, and they produce nothing.
But there is always one thing they forget, and IIRC that is the main energy consumer of them all: Cars. Or rather ALL transport that aren't done by rails. True, there are electric cars, but: 1. Limited range 2. They take a lot of time to recharge, though some are trying to get around that, the problem being that of building up the infrastructure before the systems can be put to use. This is nearly prohibitively expensive. 3. Batteries.
"So, how many cubic meters in a liter (in your head, please, and quickly)? How many grams of water in a cubic meter of water? And why aren't either of these 1? Using arbitrary orders-of-magnitude for more-or-less fundamental measures sure doesn't make the system simpler..."
In my head, 1 m^3 = 1000l, so 1l is 0.001m^3 1 m^3 of water is 1000kg = 1,000,000g
Materials have different densities. Water happens to be an easy one to get, and it is incompressible (great for volume calculations). So SI volume and weight is based on (pure) water, at 20 degrees centigrade. 0 degrees C is the freezing point of water at 1000hPa), and 100 degrees C is the boiling point.
Why they didn't normalize standard atmospheric pressure to 1000hPa I have no idea. it is about 1013hPa if I recall.
1m^3 = 1000 liter = 1 metric ton (when the material is water at 20C)
And to add the confusion some non metric people (and some metric ones) make when writing is that in volume or area, you really can not use k for 1000 m^3. 1 km^3 = 1 billion m^3
The UK/Commonwealth is a bit... odd at the moment, as they are still in the process of converting. As you state, there are imperial units still in use, as those are the ones people have grown up with and know "by heart".
Even in Denmark there is one place where people use primarily imperial units. TV sizes. We still say for instance 40 inch, even though we should really be using 101.6 cm. And the fraction are probably why we still use inches, as that is the sizes the screens are made in. Had they been made in for instance 60, 80, 100, 120cm screen sizes, inches would not make sense, as THEY would be fractions. We love integers:P
The numbers on the cans/packaging are usually in cl (centiliter) for units below 1 liter, for instance 25cl, 50cl (or 0.5l) printed on the packaging. 1 liter is 100cl, so if you see a 25cl packet of cream, you know it's 1/4 liter.
Btw, the typical package size for milk seems to be is up to 1l, though there are some countries that uses 2l jugs (a little over 1/2 galUS).
IMHO, the "sell out" to franchises were needed to attract the attention of the kids. And it is a great idea, because at first the kids do have to follow the instructions, sorta. But after that, they hopefully start experimenting, building bigger, and more complex structures and games.
Lego were in trouble, the franchises did indeed help save the company.
The removed the resizing script that forced the size of the top ad to ensure the apology would be outside the screen, regardless of the resolution and size of your screen. Instead they just set the top ad to the maximum size the resize script had it at. Aka a "big ass ad".
"People" keep saying Google+ is a ghost town. "People" keep saying Linus is doomed on the UI. "People" kept saying Linux was too hard to use and would never make it outside the server room
People moved from Open Office because of the insecurity of its future, I'd hazard a guess that as graduated from the Apache Incubator, there is a good chance that things will look up, especially because of the name.
OO will be around for a while yet. Personally I use LibreOffice.
Slashdot Mirror
True, and false.
The energy we burn now was collected from the sun, millions of years ago, over a vast amount of time.
Care to elaborate?
What is preventing solar power from exceeding 30% efficiency?
0.3% of sahara is still 28.2 billion m2
Add construction, infrastructure, maintenance and storage for about 2/3 of the energy produced, and cost becomes prohibitively expensive.
I'm not saying that we shouldn't do part of it, but it is infeasible to do it all. I'm not even sure there is enough copper left in the world to pull it off.
2% of Sahara's surface is still a MASSIVE area. And the production works best in the day time. Then there is that little problem of Sahara being a very unfriendly place for something like this. Constant wind and sand getting everywhere you don't want it, on the receptor surfaces and in the mechanics.
Sahara is about 9,400,000 km2, 2% of that is still 188,000 km2 or 188 billion m2
When ever I hear talk about renewable energy, they are always talking about peak capacity, they forget that at best a Wind Turbine only produced about 50% of its rated power on average. Too little wind, or too much, and they produce nothing.
But there is always one thing they forget, and IIRC that is the main energy consumer of them all: Cars. Or rather ALL transport that aren't done by rails. True, there are electric cars, but:
1. Limited range
2. They take a lot of time to recharge, though some are trying to get around that, the problem being that of building up the infrastructure before the systems can be put to use. This is nearly prohibitively expensive.
3. Batteries.
Flamebait /Flamebait
You are thinking of Star Trek fans, this is Star Wars.
And if the fire had started 20 minutes earlier?
I'd say it looks like luck that people had disembarked prior to the fire.
"So, how many cubic meters in a liter (in your head, please, and quickly)? How many grams of water in a cubic meter of water? And why aren't either of these 1? Using arbitrary orders-of-magnitude for more-or-less fundamental measures sure doesn't make the system simpler..."
In my head, 1 m^3 = 1000l, so 1l is 0.001m^3
1 m^3 of water is 1000kg = 1,000,000g
Materials have different densities. Water happens to be an easy one to get, and it is incompressible (great for volume calculations).
So SI volume and weight is based on (pure) water, at 20 degrees centigrade. 0 degrees C is the freezing point of water at 1000hPa), and 100 degrees C is the boiling point.
Why they didn't normalize standard atmospheric pressure to 1000hPa I have no idea. it is about 1013hPa if I recall.
Oh dear.
1m^3 = 1000 liter = 1 metric ton (when the material is water at 20C)
And to add the confusion some non metric people (and some metric ones) make when writing is that in volume or area, you really can not use k for 1000 m^3.
1 km^3 = 1 billion m^3
And didn't they just go negative on the Kelvin scale?
The UK/Commonwealth is a bit ... odd at the moment, as they are still in the process of converting. As you state, there are imperial units still in use, as those are the ones people have grown up with and know "by heart".
Even in Denmark there is one place where people use primarily imperial units. TV sizes. We still say for instance 40 inch, even though we should really be using 101.6 cm. And the fraction are probably why we still use inches, as that is the sizes the screens are made in. Had they been made in for instance 60, 80, 100, 120cm screen sizes, inches would not make sense, as THEY would be fractions. :P
We love integers
The numbers on the cans/packaging are usually in cl (centiliter) for units below 1 liter, for instance 25cl, 50cl (or 0.5l) printed on the packaging.
1 liter is 100cl, so if you see a 25cl packet of cream, you know it's 1/4 liter.
Btw, the typical package size for milk seems to be is up to 1l, though there are some countries that uses 2l jugs (a little over 1/2 galUS).
I'm not entirely sure what it is you are trying to prove here.
You are supposing that an arbitrary unit based on the stamina of an ox is a better basis for area calculations than the meter?
IMHO, the "sell out" to franchises were needed to attract the attention of the kids. And it is a great idea, because at first the kids do have to follow the instructions, sorta. But after that, they hopefully start experimenting, building bigger, and more complex structures and games.
Lego were in trouble, the franchises did indeed help save the company.
Well, when doing cross platform, you sometimes have to code for the lowest common denominator
"with a Linpack benchmark of more than 17 petaflops a second"
Supercomputers calculate on an accelerating performance curve now?
The removed the resizing script that forced the size of the top ad to ensure the apology would be outside the screen, regardless of the resolution and size of your screen.
Instead they just set the top ad to the maximum size the resize script had it at. Aka a "big ass ad".
Is not always correct.
"People" keep saying Google+ is a ghost town.
"People" keep saying Linus is doomed on the UI.
"People" kept saying Linux was too hard to use and would never make it outside the server room
Common for all is that they were mostly wrong.
Nice cherry picking there.
Read the entire line before trying to make me say something I didn't.
often F/OSS is superior, I never said always, and yes, a lot is crap, same with closed source.
People will settle for less, when they get it for free, the question really is, how much less are people willing to settle for?
That said, often less is more (no pun) and F/OSS is the superior alternative.
People moved from Open Office because of the insecurity of its future, I'd hazard a guess that as graduated from the Apache Incubator, there is a good chance that things will look up, especially because of the name.
OO will be around for a while yet. Personally I use LibreOffice.
Beer is better everywhere else as well, only fair it cost a little more.
Lets hope the Earth crust is not a balloon...
That always happen.
With a little overhead, 1 Tbit/s is at most 100GiB a second. 2 Blu rays.