No, actually 22 liters/hours at 7 bar isn't the desktop torch you mentioned.
It does need 6Kw to do that and running at that rate consumes 750 gallons of water per hour.
It took me all of 20 minutes to locate the device for a bit over $1000.00.
This is doing it the crude way too, but several will easily fit into a 20 foot shipping container (to give an idea of physical scale).
An even better idea of scale is that the average American residence could operate for 12 days from stored output of one hours run of that equipment without any additional energy.
Better, specialized engineering can make it better, but not while we, as a society, pursue rich mans toys, pipe dreams and con men.
Fuel cells consume hydrogen gas, typically at about 3300 PSI aka 7 BAR, reacting that in the presence of a catalyst with oxygen to generate electricity and water vapor. To get an idea of what that means, SCUBA takes come in two kinds, high and low. SCUBA high is 2200 PSI.
The typical fuel cell to produce the energy stored in that 1400 pound battery pack is about 100 pounds, with the carbon fiber reinforced polymer tanks to hold the hydrogen gas, about 300 pounds.
Older, dirtier processes of obtaining hydrogen involved using energy intensive processes to extract hydrogen from hydrocarbons are not really cost effective except for collection as an industrial gas (hydrogen is one of the most commonly used, but expensive industrial gases).
An even older method passes a DC current through water, releasing hydrogen and oxygen. Without excess renewable energy, this method is not cost effective. The hydrogen is collected ( usually simply compressed, sometimes liquefied by chilling and compressing ) and may then be transported in non-reactive vessels and pipelines (existing technology).
Yes, and similar quantities of platinum are used in catalytic converters now.
No ICE engine, no catalytic converters. Net zero change.
Check out industrial electrolyzers on Alibaba (22 liters/hour with 6Kw input power at 7 bar) and solutions currently being deployed in Europe and Asia.
You're correct, centralized hydrogen production and distribution has some issues ( metals exposed to hydrogen over time become brittle... coat with polymers? ).
Decentralized production using PV and wind is MUCH more practical and clean.
At one time there were no chargers either. Europe and Asia are going full on for hydrogen storage vs heavy, slow to charge batteries.
I will only say there is this somewhat common but mildly dangerous chemical around called dihydrogen monoxide that is a fairly useful for for obtaining hydrogen... You almost certainly have some of the chemical around your home. Especially useful when one is store and use excess energy from things like solar and wind. The equipment for doing this isn't even particularly expensive... If you go outside the US to get it. Have a quick look around on Alibaba.
One thing leapt out at me was the use comments on bodies and perceived sexuality, especially in these #meetoo days.
The management, by highlighting and using them as "positive" scores have created written and near to incontrovertible evidence of condoning and encouraging pervasive sexual harassment in the work place. And because the comments are in fact tied to individual transactions (wanna bet a middle school kid could do it?) the customer making the comments can be de-anonymized and exposed to the liability as well. Incredibly stupid technology!
As with any tool, this one cuts both ways. Do we have any lawyers in the audience willing to make a few duckets? I'm thinking someone is gonna clean up on this one.
System installation was NEVER the goal. Energy sales is and was.
Often heard "you get to sell the energy you don't use to the utility".
No YOU don't. Solar City does. Aggregated with the energy from all of their other installations. The utility won't buy from you, but they will from the aggregator, Solar City.
Just like the supermarket won't buy from your backyard garden, but if you have an organic farm, they will.
Yeah, it MAY be solved and then again. H2 solves it now and for a long time. yes, fuel cells use platinum... About as much as is used in a catalytic convertor.
so we stop making catalytic convertors and start making fuel cells. net zero change
But here's the question that comes up for me and it comes up in conjunction with another article I saw recently (no, I don't have a link) in which a passing mention was made along the lines that millennial wealth, housing, etc difficulties wasn't due to not being able to earn enough in absolute numbers, but earning enough in relation to the debt they carry (student loans).
Which way is/was this figurehead steering? Is/was it steering? Why use a pseudo person for this? Doe sit make what is being presented more "believable"?
Those who are ready and willing to shoulder full responsibility for their actions. Meaning they think about what they do instead of acting as killing automatons with an "oh well" attitude.
One fine, bright day my Asus WiFi router suddenly went off the air. Hit the power switch to reboot. No lights. Did the wall wart fail? No, good voltage at the connector. Just for giggles, I opened up and bypassed the mechanical power switch. Here it is back on the air! Yea!!!! Wait, no one touch that switch. It was in a closet. WTF!?
Asus ROG G750JW: At least twice a month I have to re-seat drives. It's a 17 inch unit and there enough "flex" so that handling (lifting to my lap) causes the drives to have a poor connection and fail the system
You don't EVEN want to know about the RAM under the keyboard that requires complete disassembly to get at.
Slashdot Mirror
No, actually 22 liters/hours at 7 bar isn't the desktop torch you mentioned.
It does need 6Kw to do that and running at that rate consumes 750 gallons of water per hour.
It took me all of 20 minutes to locate the device for a bit over $1000.00.
This is doing it the crude way too, but several will easily fit into a 20 foot shipping container (to give an idea of physical scale).
An even better idea of scale is that the average American residence could operate for 12 days from stored output of one hours run of that equipment without any additional energy.
Better, specialized engineering can make it better, but not while we, as a society, pursue rich mans toys, pipe dreams and con men.
Here, allow me to do your homework for you:
Fuel cells consume hydrogen gas, typically at about 3300 PSI aka 7 BAR, reacting that in the presence of a catalyst with oxygen to generate electricity and water vapor. To get an idea of what that means, SCUBA takes come in two kinds, high and low. SCUBA high is 2200 PSI.
The typical fuel cell to produce the energy stored in that 1400 pound battery pack is about 100 pounds, with the carbon fiber reinforced polymer tanks to hold the hydrogen gas, about 300 pounds.
Older, dirtier processes of obtaining hydrogen involved using energy intensive processes to extract hydrogen from hydrocarbons are not really cost effective except for collection as an industrial gas (hydrogen is one of the most commonly used, but expensive industrial gases).
An even older method passes a DC current through water, releasing hydrogen and oxygen. Without excess renewable energy, this method is not cost effective.
The hydrogen is collected ( usually simply compressed, sometimes liquefied by chilling and compressing ) and may then be transported in non-reactive vessels and pipelines (existing technology).
Welcome to the 21st century.
Yes, and similar quantities of platinum are used in catalytic converters now.
No ICE engine, no catalytic converters. Net zero change.
Check out industrial electrolyzers on Alibaba (22 liters/hour with 6Kw input power at 7 bar) and solutions currently being deployed in Europe and Asia.
You're correct, centralized hydrogen production and distribution has some issues ( metals exposed to hydrogen over time become brittle... coat with polymers? ).
Decentralized production using PV and wind is MUCH more practical and clean.
At one time there were no chargers either. Europe and Asia are going full on for hydrogen storage vs heavy, slow to charge batteries.
I will only say there is this somewhat common but mildly dangerous chemical around called dihydrogen monoxide that is a fairly useful for for obtaining hydrogen... You almost certainly have some of the chemical around your home. Especially useful when one is store and use excess energy from things like solar and wind. The equipment for doing this isn't even particularly expensive... If you go outside the US to get it. Have a quick look around on Alibaba.
I REALLY wish I could mod this one up! LOL
One thing leapt out at me was the use comments on bodies and perceived sexuality, especially in these #meetoo days.
The management, by highlighting and using them as "positive" scores have created written and near to incontrovertible evidence of condoning and encouraging pervasive sexual harassment in the work place. And because the comments are in fact tied to individual transactions (wanna bet a middle school kid could do it?) the customer making the comments can be de-anonymized and exposed to the liability as well. Incredibly stupid technology!
As with any tool, this one cuts both ways. Do we have any lawyers in the audience willing to make a few duckets? I'm thinking someone is gonna clean up on this one.
And they say unions were no good
System installation was NEVER the goal. Energy sales is and was.
Often heard "you get to sell the energy you don't use to the utility".
No YOU don't. Solar City does. Aggregated with the energy from all of their other installations. The utility won't buy from you, but they will from the aggregator, Solar City.
Just like the supermarket won't buy from your backyard garden, but if you have an organic farm, they will.
And please keep in mind, batteries are NOT necessarily required to have an EV.
The Tesla drags a 1400 pound battery pack... Fuel Cells weight a whole lot less
https://www.technologyreview.c...
Yeah, it MAY be solved and then again. H2 solves it now and for a long time. yes, fuel cells use platinum... About as much as is used in a catalytic convertor.
so we stop making catalytic convertors and start making fuel cells. net zero change
except it DOESN'T secure anything, simply renders things a little more obscure... Since when is obscurity security?
PG Tips all the way!
A Netgate SG-1000 if you want a packaged solution;
https://www.netgate.com/soluti...
Else load up PfSense on an old PC or search ebay for pfsense... You'll find also repurposed appliance from other people loaded with PfSense.
Is who pushed this to court/into a law the court had to rule on?
I think that will tell us MUCH MUCH more.
+10
You're gonna stay stuck doing tasks and getting bored.
If you can, find a principal you like/admire/challenges you.
And you can knock down drones at distance too.
They do so with crushing debt and take advice from the "Betty Crocker" of the student loan refi industry.
Is it any wonder business is now making the complaint about college grads they used ot make about high school grads... "Lacking in basic skills"?
But here's the question that comes up for me and it comes up in conjunction with another article I saw recently (no, I don't have a link) in which a passing mention was made along the lines that millennial wealth, housing, etc difficulties wasn't due to not being able to earn enough in absolute numbers, but earning enough in relation to the debt they carry (student loans).
Which way is/was this figurehead steering? Is/was it steering? Why use a pseudo person for this? Doe sit make what is being presented more "believable"?
Am I the only one seeing a Butlerian Jihad on the way?
No... Actually, he's South African. I have no idea if he naturalized to US citizenship. They have a whole 'nother level of arrogance.
Is the incidence of use "ride sharing" (Uber/Lyft/etc) over medical transport higher than say a cab?
If not, this is a non-issue.
Those who are ready and willing to shoulder full responsibility for their actions. Meaning they think about what they do instead of acting as killing automatons with an "oh well" attitude.
We finally remember the word for "fake news"... Propaganda
There is no WAY I'd touch it;
One fine, bright day my Asus WiFi router suddenly went off the air. Hit the power switch to reboot. No lights. Did the wall wart fail? No, good voltage at the connector. Just for giggles, I opened up and bypassed the mechanical power switch. Here it is back on the air! Yea!!!! Wait, no one touch that switch. It was in a closet. WTF!?
Asus ROG G750JW: At least twice a month I have to re-seat drives. It's a 17 inch unit and there enough "flex" so that handling (lifting to my lap) causes the drives to have a poor connection and fail the system
You don't EVEN want to know about the RAM under the keyboard that requires complete disassembly to get at.
He wants the postal service to ONLY charge Amazon more to send packages.
Can we say network neutrality?