Apples and oranges. Or, how about a car analogy? Electricity is like driving a car... it uses energy, more if you go faster and have a bigger car. It requires hard infrastructure (road, oil wells, refineries, etc.). There is no monopoly on cars, oil, roads. The Internet has low infrastructure costs and high societal value which can be easily subverted by telecoms monopolies... hence net neutrality.
Ever seen the Imperial Valley? It's where most the lettuce is grown in the US. Flat, fertile fields full of lettuce as far as the eye can see. Warm and sunny most of the year. Lot of Colorado river irrigation water. It's hard to compete with that.
They contract all of this stuff out to the private sector (the network and the monitoring of the network). Northrup Grumman runs many government networks. (Not just NASA, also Defense, CDC, etc.)
Batteries would be much more efficient for capturing this energy and they could be easily charged at the gate. Battery round trip efficiency is about 90%, hydrogen fuel cell about 20%.
The cycle from electricity to H2 generation, storage and burning in a fuel cell is only about 22% efficient. This seems like a lot of trouble to go to on a very inefficient process. Might be better to use batteries to capture the electricity (and these can be supplemented on the ground by plugging it into the grid). Electricity to battery round trip can be better than 90% efficient.
Sorry. It's a bit buried. You have to go to The Economist article and look at the comments where voting is discussed. http://www.economist.com/node/...
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Apples and oranges.
Or, how about a car analogy? Electricity is like driving a car... it uses energy, more if you go faster and have a bigger car. It requires hard infrastructure (road, oil wells, refineries, etc.). There is no monopoly on cars, oil, roads. The Internet has low infrastructure costs and high societal value which can be easily subverted by telecoms monopolies... hence net neutrality.
Hear! Hear!
Climate change crowd here.
We're up in arms about bitcoin mining... it's a needless waste of energy!
(Is that good enough for you?)
Ever seen the Imperial Valley? It's where most the lettuce is grown in the US. Flat, fertile fields full of lettuce as far as the eye can see. Warm and sunny most of the year. Lot of Colorado river irrigation water. It's hard to compete with that.
Give me a heads-up if you see anything interesting.
I think the point was to try to avoid running the APU and the engines which are very inefficient, polluting, etc.
You could just blame it on Obama.
I'm not sure batteries would be a good solution. I was just pointing out that they are much better than a hydrogen fuel cell.
Gasoline?
They contract all of this stuff out to the private sector (the network and the monitoring of the network).
Northrup Grumman runs many government networks. (Not just NASA, also Defense, CDC, etc.)
Batteries would be much more efficient for capturing this energy and they could be easily charged at the gate. Battery round trip efficiency is about 90%, hydrogen fuel cell about 20%.
The cycle from electricity to H2 generation, storage and burning in a fuel cell is only about 22% efficient.
This seems like a lot of trouble to go to on a very inefficient process.
Might be better to use batteries to capture the electricity (and these can be supplemented on the ground by plugging it into the grid). Electricity to battery round trip can be better than 90% efficient.
As we used to say in the ER... All bleeding stops... eventually.
Wrong on all counts.
CA gets only 3% of electricity from coal. (Down 50% in past 10 years)
Solar and wind have increased 300% in past ten years.
I think it's more about the potential of the blockchain rather than actual use today. The idea that you can have a publicly available trusted ledger without trusting anyone has a lot of potential uses and there are a lot of people developing different applications.
Here's a few more articles from MIT:
http://www.technologyreview.co...
http://www.technologyreview.co...
http://www.technologyreview.co...
This MIT syllabus gives some idea of the potential:
http://blockchain.media.mit.ed...
Sorry. It's a bit buried.
You have to go to The Economist article and look at the comments where voting is discussed.
http://www.economist.com/node/...
It's not about Bitcoin.
Yes it could. TFA mentions that application.
Yes! You got it
Blockchain is not Bitcoin!
Maybe a computer could make sense of Palin's word salad.
Poor people dying of cancer and lead poisoning isn't as sexy as middle class folks getting lung cancer and respiratory disease.
Do you think Flint pollution is overrated or VW?
Do you mean emitting 30 times as much NOx as allowed is "just a little bit more polluting"?
The Clarity is a smaller car. Shorter, not as wide, shorter wheelbase, seats only 4, not 5 like the Tesla. Less storage space. Not comparable at all.
Never ascribe to malice that which can be adequately explained by stupidity.
Keepass works on Windows, Mac, Linux, Android, iOS.
It's not as "convenient" as LastPass but it's also less vulnerable to this kind of attack.