Posts by ML1


log in
21) Message boards : Politics : Climate Change, 'Greenhouse' effects: Solutions #2 (Message 1800097)
Posted 2 Jul 2016 by Profile ML1
'Sleeper issue' of leaking coal seam gas fields may blow hole in emissions goals
Gas has long been touted as cleaner than coal and marketed as a "transition" fuel until the mass take-up of renewable energy becomes viable.

But a growing chorus of voices from Australia and overseas is warning that any perceived benefits could easily be lost with just small leakages.

Professor Peter Rayner from the University of Melbourne says it takes just 1-2 per cent of gas leakage for any advantage to be lost.

That is an even greater problem for the inevitable fracking leaks and abandonment. Especially so when companies conveniently go bust and leave their workings to leak.

We also have outgassing from landfill rubbish dump sites.


There are almost all of our activities that we need to clean up. All must be accounted for. However, fossil fuel use and agricultural land (mis)use are the two biggest and easiest impacts to take immediate positive action to correct.


All on our only one planet,
Martin
22) Message boards : Politics : Climate Change, 'Greenhouse' effects: Solutions #2 (Message 1800096)
Posted 2 Jul 2016 by Profile ML1
Not sure if this is a first for the UK but at the moment, we have zero coal fired power station output. That is, all our coal fired power stations are offline.

Instead, as I'm posting now, we have about 17% wind power and about 20% solar (over 1/3rd power generation). Combined cycle gas turbines and nuclear contribute the rest. (There's also about 5% from bio, hydro, and imported nuclear.)


Now we 'just' need to expand on that and increase the capacity of our pump-storage hydroelectric schemes.

Another interesting snippet is that battery storage is being used in some places on the grid to boost peak supply capacity instead of laying new power lines.


Is the great inertia of the Titanic of old ways and old dirty money slowly turning?...

All on our only one planet,
Martin
23) Message boards : Number crunching : Profiling AMD/ATI OpenCL systems (Linux) (Message 1800044)
Posted 2 Jul 2016 by Profile ML1
???!...

You are running Linux so...


Yes, you can use a physical keyboard-video-mouse switch.

Or...

Look up using "ssh -X", or look up for using the boinc client to access boinc on other hosts on your network.


Aside: Note that boinc will need to be in a video group to be able to access any GPU resource. A distro install will set that for you. Whereas the Berkeley installer will leave you to set that manually. Do not run boinc as root! There is no need to.

Happy fast crunchin,
Martin
24) Message boards : Politics : Climate Change, 'Greenhouse' effects: Solutions #2 (Message 1800041)
Posted 2 Jul 2016 by Profile ML1
Just slash and burn more rain forest to make farmland to produce the food to replace meat.


Nope. You've got that one the wrong way round.

Reducing the inefficiency of farming the (top of the farming food chain) cattle will allow LESS farmland to be needed than at present.

Wrong. Meat can be fed by land that has too high a slope for a tractor to operate upon. Slash and Burn, it comes to the make it so hand wavers.

Nope.

We don't see cattle on the hills and highlands over here. They usually get the best most fertile flat fields nearest the farm buildings. Or they are incarcerated inside the buildings and fed antibiotics so that yet more animals can be intensively crammed in.


What you do often see over here on the hills and highlands are sheep. Or various contrived crops with lots of drainage for grouse and pheasant shooting. Both of which are a cause of flash floods downstream...


All on our only one planet,
Martin
25) Message boards : Politics : Climate Change, 'Greenhouse' effects: Solutions #2 (Message 1799916)
Posted 1 Jul 2016 by Profile ML1
Just slash and burn more rain forest to make farmland to produce the food to replace meat.


Nope. You've got that one the wrong way round.

Reducing the inefficiency of farming the (top of the farming food chain) cattle will allow LESS farmland to be needed than at present.


All on our only one planet,
Martin
26) Message boards : Number crunching : USB Risers (Message 1799438)
Posted 29 Jun 2016 by Profile ML1
It is very unlikely that a USB 3 port is capable of supplying 75w, which is 15A at 5 volts and USB cables are "famously thin"


Giggle!

Do you get the prize for understatement of the threads?


:-)


Happy fast crunchin
Martin
27) Message boards : Politics : Another example of USA Gun Laws (or lack of...)? (Message 1799433)
Posted 29 Jun 2016 by Profile ML1
Stop living in the past. Look to the future (if possible).


That is the one good comment seen so far.


How do we persuade/encourage people to make a better future for us all?


All in our only one world,
Martin
28) Message boards : Number crunching : Profiling AMD/ATI OpenCL systems (Linux) (Message 1799268)
Posted 29 Jun 2016 by Profile ML1
What number crunching are you wanting to do?...

If this is all for s@h, then you will be limited by your GPU capability. Look up the Lunatics optimised apps for the latest developments.

If this is for your own code, then you should already have a good idea about what data flows and what computation flows you need...


So... What are you wanting to try and with what?

(In the Linux world, you could try looking up the details for the kernel performance tooling called "perf" to see real-time real world kernel activity...)


Hope that helps with a few thoughts.

Happy fast crunchin',
Martin
29) Message boards : Politics : Another example of USA Gun Laws (or lack of...)? (Message 1798151)
Posted 23 Jun 2016 by Profile ML1
We'll never see our lot do anything like this :-(

Democrats hold "sit-in" protest

I don't get it.

Our Congress has lost the plot.

What is so hard about have proper vetting and due process gun laws?

You are vetted to get on the list and you have due process to get off the list.

If they would just add vetting and due process it would pass in a flash.

They don't want it to pass. They want it to fail so they can use it as political points in the next election. The people who are killed are dead because of party politics. The despicable ones are the party strategists.

They all have completely lost the plot if they are lost for words and have no powers of reason and instead have to resort to non-verbal childish schoolyard tantrums.


That is not what politics should be about. A disgrace to you all!

Only in the USA.
Martin
30) Message boards : Politics : Climate Change, 'Greenhouse' effects: Solutions #2 (Message 1797808)
Posted 21 Jun 2016 by Profile ML1
Trucks use waste heat

Engineering360 News Desk video, clip starts at ~2:10
Using waste heat from exhaust to generate electricity.

Thanks for getting us back on-topic.

There is lots of scope yet for getting more efficiency out of the old combustion engine yet. Note: Exhaust heat recovery system


Hence why electric transport is so attractive (much higher efficiency). Provided that is the electricity generation is clean...


All on our only one planet,
Martin
31) Message boards : Politics : Another example of USA Gun Laws (or lack of...)? (Message 1797805)
Posted 21 Jun 2016 by Profile ML1
Very silly and local people continue to die.


Many many years have passed since the American civil war. Really, is there any need for old out of date needs for a militia?

Reword that today as 'vigilanties'...? And worse as we continue to witness?...



So... Why has Obama been out-voted to save America from their own guns?

Only in America,
Martin
32) Message boards : Number crunching : My Computer Builds (Message 1796594)
Posted 16 Jun 2016 by Profile ML1
Big congrats and go for it!

(I'm sure some of the computing can wait whilst you run through other real world tasks ;-) )


Good luck and keep searchin',
Martin
33) Message boards : Politics : Climate Change, 'Greenhouse' effects and Politics: DENIAL (#4) (Message 1796457)
Posted 15 Jun 2016 by Profile ML1
Denial unto death to us ALL?...


America’s Largest Coal Company Has Been Bankrolling Climate Denial

... In a revelation that shouldn’t surprise anybody, Peabody Energy, the United States’ largest coal company, has been bankrolling think tanks, corporate lobbyists, trade associations, and individual scientists at the heart of the climate denial movement...

... few have manipulated the facts of global warming as consistently and egregiously as Peabody, which refers to carbon dioxide in glowing terms and asserts that by cranking up its concentration in our atmosphere, the company is fertilizing the planet for the benefit of mankind. Or, as a Peabody lobbyist once put it, doing “the Lord’s work.”...

... the transition off coal is going to have to continue, if we’re to have any hope of preventing the worst consequences of climate change from unfolding. It would be heartening to see a fossil fuel enterprise acknowledge this reality and take a leading role in developing the energy sources of the future. Sadly, like the compressed dinosaur remains they’ve made their fortunes from, most of these companies seem more interested in burying their heads in the sand and staying there.




All on our only one planet,
Martin
34) Message boards : Number crunching : Thoughts On New PC Build (Message 1796341)
Posted 15 Jun 2016 by Profile ML1


It has been proven in the past that hosting a smaller number of GPUs on multiple computers will give better results due to better CPU support of those GPUs.



You and I both know this to have been absolutely true. ...


To jump in, I agree also.


In the past when I've looked to support multiple GPUs for running some intensive compute jobs, I've found the best price-performance was always to run a standard motherboard with a mid-range CPU and at most two GPU cards.

All other options of using super-duper top-of-the-range specials for the CPU, GPU or motherboard, or of going to multiple CPU sockets or of using external GPU card enclosures: They all unacceptably jumped up the cost or compromised performance, or both!


The only time you might want the extra expense or reduced overall performance is if you have some task that does not fit well on the size of your individual separate systems.

Boinc by design fits well on present consumer-grade PCs/GPUs. Hence keep with that sweet-spot for Boinc.


There was a "Skulltrail" consumer level two CPU sockets system that did burst upon the scene a few years ago that was aimed at hard-core gamers (hence the Marketing name?). Looking at that, it looked to be far too expensive all for little gain.

Here's hoping the next big jump will be with the newer more general GPGPUs becoming more open for parallel number crunching...


Happy fast crunchin'.
Martin
35) Message boards : Number crunching : My Computer Builds (Message 1795021)
Posted 10 Jun 2016 by Profile ML1
I'm not posting here anymore, since I don't have any real friends here, goodbye.

Hang in there.

This is quite a story for putting so many machines together. A lack of comment doesn't mean a lack of interest.

Note the views count? (36000+ ...!)


Just a thought:

For all the combined wisdom we have on this forum, is there a "s@h crunching" guide anywhere?



Happy cool crunchin',
Martin
36) Message boards : Politics : Climate Change, 'Greenhouse' effects: Solutions #2 (Message 1795020)
Posted 10 Jun 2016 by Profile ML1
wtg, Britons, despite your Govt: http://www.theguardian.com/environment/2016/jun/07/solar-sets-british-record-for-may-producing-more-electricity-than-coal.

Wow...
So why is our government sabotaging renewables?!
Norway is 100% renewables.
Portugal is high on renewables and has run days at a time 100% renewable.
Chile has periods of ZERO electricity costs due to renewables.
Denmark and Holland EXPORT renewables electricity...
So why is the UK languishing at about 25% renewables and our government subsidising pollution instead?!
Corruption and lobbying at work?...
All on our only one planet,
Martin

You could call it corruption and lobbying at work but thats how the energy market works.
Norway is 100% renewables!
No that's not true. It's about 65%.
I don't know where your figures comes from but here is again what Eurostat says about renewables...

[Chart dated 2013]

Whats most disturbing is the fact that France, Germany, Ireland, United Kingdom and the Netherlands are the countries that are still very far from the legally bindings targets for 2020.

Another problem is that Eurostat stats only shows how much a country produce renewable energy.
But not comparing the energy being imported from other countries when the energy prices are lower in countries with non-renewable energy.

Yep, there is far to much disingenuous twisting of the numbers. Is there still far too much 'sympathy' towards the presently expensively still-in-power fossils?...

Is your chart out of date? What progress has there been since 2013?...


Here's another quote that Norway is 100% on renewables for electricity:

Why do they love electric cars in the Arctic Circle?

... But it is economic incentive as much as environmental concern that is fuelling the rise in green cars - Norway introduced a raft of generous subsidies to encourage people to go electric...

... It launched an aggressive tax policy towards high-polluting cars, while offering zero tax on zero-emission cars. This "polluter pays" policy brought the cost of an electric car into line with a conventionally powered one...

... The electricity being pumped into her car is free.

Norway is fortunate enough to have close to 100% renewable and cheap hydro power production. According to the Norwegian Electric Vehicle Association, even if all three million cars on the country's roads were electric, they would suck up just 5-6% of the annual hydro power electricity production...



And that article gives a good reminder that we really do need to have the polluters pay for cleaning up their pollution...

All on our only one planet,
Martin
37) Message boards : Politics : Computers & Technolgy 3 (Message 1795018)
Posted 10 Jun 2016 by Profile ML1
Interesting.

Information security firm Rapid7 established the National Exposure Index that shows the countries most vulnerable to hacking attacks by scanning the entire worldwide web for servers with their front doors wide open...


Yep. I see that first hand. Widespread.

For some systems techs, they really have been 'dumbed down' by Marketing gloss and very pretty (almost Star Trek style) graphical interfaces such that the techs have got no clue as to what the default settings are or what actually happens when some pretty button is pressed.

Worse still... There is an overriding pressure from the combination of: "Marketing" for certain products claiming (supposed) "perfect security" (and 'trust us'); management screaming "is it done yet?!"; and the techs either uninterested or simply not given any time to properly set up secured systems.

It is then that I come along to find that the defaults are designed to "enable EVERYTHING to just work(tm)" with particular design emphasis on minimizing support calls.

Then when everything goes wrong due to malware, that is a "cost extra" to fix.


Added to that, my personal experience for the roll-out of Windows 10 is that there appears to be complete disregard for the proper use of network protocols such that the technicians are very prone to just give up and turn all firewalling and network filtering off.

(The Windows 10 updates have tripped our malware alarms a few times now... Looks like it uses file torrenting also to jam up our bandwidth!)



All a recipe for disaster. Not how IT should be but all a consequence of coercive design?

IT is what we make it...
Martin
38) Message boards : Politics : Climate Change, 'Greenhouse' effects: Solutions #2 (Message 1794579)
Posted 8 Jun 2016 by Profile ML1
wtg, Britons, despite your Govt: http://www.theguardian.com/environment/2016/jun/07/solar-sets-british-record-for-may-producing-more-electricity-than-coal.

Wow...

So why is our government sabotaging renewables?!

Norway is 100% renewables.

Portugal is high on renewables and has run days at a time 100% renewable.

Chile has periods of ZERO electricity costs due to renewables.

Denmark and Holland EXPORT renewables electricity...


So why is the UK languishing at about 25% renewables and our government subsidising pollution instead?!


Corruption and lobbying at work?...


All on our only one planet,
Martin
39) Message boards : Politics : Climate Change, 'Greenhouse' effects and Politics: DENIAL (#4) (Message 1793683)
Posted 5 Jun 2016 by Profile ML1
I should be quite safe then... I live at about 200 meters above MSL. <GRIN>


You may stay 'safe' from the rising waters...

Meanwhile, how safe will you be from the displaced people, extreme weather, and all the other ever more unsafe and expensive upheaval...


All on our only one planet...
Martin
40) Message boards : Politics : Climate Change, 'Greenhouse' effects and Politics: DENIAL (#4) (Message 1791283)
Posted 28 May 2016 by Profile ML1
... Not so good in other places thou . Just worry for your self and we will both be dead of old age by then it's the next Gen's problem to suffer through . :-(

Unfortunately so.

So instead of those in power and pollution being "old and wise", what we see is continuing "old and belligerently selfish" and the younger people are to be damned...

Perhaps we really do need a revolution to force some positive change?...


Here are yet more recent examples of extreme denial:


Exxon: An inconvenient truth

In the hot and humid conditions of downtown Dallas, the #Exxonknew ice sculpture - erected by environmental campaigners to suggest the company had known about the science of climate change but had failed to act - did not last too long...

... Exxon and others, green groups say, will be shown to have misled investors and the public about the true state of climate science and will be fined, condemned and buried...

... This is a very big issue for Exxon Mobil as the shareholders believe current investigations into the alleged undermining of climate science are an assault on their First-Amendment rights.

"The fact that people have different opinions on climate change; they have every right to their opinion, whether we agree with it or not - I will support their right to say so," said Mr Tillerson to a hefty ovation.

It is a little ironic, then, that he did not want to extend that same right to all of the press, as the Guardian newspaper was told it was not welcome at the shareholder meeting.

The more under the cosh Exxon feels, the less likely it is to embrace the ideas of outsiders, however mild. If its shareholders are really to take the steps many want on climate change or indeed anything else, green groups will need to find another means.

They will not be told.



Australia removed from UN world heritage climate report

All references to climate change's impact on World Heritage sites in Australia have been removed from a United Nations report.

A draft of the report contained a chapter on the Great Barrier Reef and references to Kakadu and Tasmania.

But Australia's Department of the Environment requested that Unesco scrub these sections from the final version. A statement from the department said the report could have had an impact on tourism...

... Prof Steffen was sceptical about official explanations that the report risked causing confusion over the status of the reef and could impact tourism.

"There's no substance to either of those arguments," he said.

"There was no mention at all that the Great Barrier Reef might be listed as endangered. There was also a paragraph at the end that discussed steps the Australian government is taking to mitigate risks to the reef."...

... It is not clear why Unesco agreed to the government's request to remove the passages.



Ancient crayfish and worms may die out together

... They warn that such a sweeping coextinction is a genuine threat, particularly as modern-day climate change steepens the warming of Australia that has shaped and shrivelled the creatures' shared habitat over the millennia.

Forestry and other environmental changes add to the risk.

"In Australia, freshwater crayfish are large, diverse and active 'managers', recycling all sorts of organic material and working the sediments," ...

"The temnocephalan worms associated only with these crayfish are also diverse, reflecting a long, shared history and offering a unique window on ancient symbioses. We now risk extinction of many of these partnerships, which will lead to degradation of their previous habitats and leave science [and our world] the poorer."




All on our only one planet,
Martin


Previous 20 · Next 20

Copyright © 2016 University of California