Pages: [1] 2 3 ... 10
 1 
 on: Today at 08:52:12 pm 
Started by Michael West - Last post by Michael West

 2 
 on: Today at 08:42:03 pm 
Started by Chris Kern - Last post by Michael West
In the words of Jagger + RIchards 

"ivin' in this ghost town (Woah)
Ain't havin' any fun (Woah)
If I wanna party (Woah)
It's a party of one (Woah, 

Songwriters: Michael Phillip Jagger / Keith Richards

 3 
 on: Today at 07:58:22 pm 
Started by John R - Last post by John R
Sometimes when things seem dark you have to let the sun shine in...

JR




 4 
 on: Today at 07:37:33 pm 
Started by Chris Kern - Last post by Chris Kern
The United States Capitol Building last week, before the troops moved in.




 5 
 on: Today at 06:48:39 pm 
Started by Jeremy Roussak - Last post by John Camp
The big question about the pipeline is why have it at all? The only people who need to transport Canadian oil are the people who own the rights to it -- I doubt that it will much benefit Canada in general, and the world doesn't need it, at the moment, anyway. The world is awash in oil. Actually, one cynical reason for Biden to block the pipeline is that Canadian oil would compete with North Dakota oil, which, at the moment, is supine. USA! USA!

The "dying industry" comment. The oil industry is dying, and I expect it will become largely redundant sometime in the 22nd century. At the moment, the US electric car industry has reached the point of producing about 5% of cars (plug-in and hybrid.) The rest depend on oil. The new power plants being built to provide the electricity to run those electric cars run on oil and natural gas. Wind and solar are about 12% of production, and are running up against some limits (not enough economic wind and sun in places where transmission is efficient) and political constraints (NIMBY and environmental activism.) The fact is, oil can be very cheap if you ignore the environmental problems it creates. And cheap power will be critical in places like India and Russia and western China for a long time. Oil is fungible, and the world market really doesn't care where it comes from.

Capitalism isn't an ideology, it's a technique for raising money. Socialist/communist countries have found it to be quite a useful technique in building their economies (China, Vietnam.) What's really at issue is the tissue of "conservative" policies which do amount to an ideology that deplores governmental intervention in private industry and personal privilege. The problem is that these conservative policies too often don't recognize reasonable limits on the rights of persons and industries to do what they please. The result is that rich companies like McDonalds poor-mouth about having to pay even a marginally livable wage to employees. The average crew member at McDonalds makes about $9 an hour in the US; most aren't given 40-hour weeks. At that rate, a crew member would qualify for food stamps in most and maybe all states.

 6 
 on: Today at 05:59:13 pm 
Started by spclark - Last post by nirpat89
Thanks for the clarification, Niranjan.

No problem...been working a lot on learning cyanotypes lately so I familiarized myself with limits of this particular "cyanide" - no high heat (over 200C) and no concentrated strong acids like sulfuric, hydrochloric etc.  Same applies to potassium ferrOcyanide which is more readily found in traditional darkroom. 

An interesting case of someone who tried to commit suicide with a spoonful of potassium ferricyanide and lived:

https://www.tandfonline.com/doi/pdf/10.3109/15563659609013821 

 7 
 on: Today at 05:37:17 pm 
Started by Eric Myrvaagnes - Last post by Eric Myrvaagnes
Thanks, Russ.

 8 
 on: Today at 04:49:17 pm 
Started by NortheastPhotographic - Last post by NortheastPhotographic
Hy6 kit plus the 50mm AFD have sold. 

You may proceed with the weeping, wailing, general despair. 

Snatch up the 180mm you fools.

 9 
 on: Today at 04:46:44 pm 
Started by Paul_Roark - Last post by Paul_Roark
... better than the Hubble which was originally out of focus and had to be repaired!

As an aside, the owner and president of the optical company (then a subsidiary of Perkin & Elmer, I think) that made the Hubble was a friend of a friend of my parents.  I met him at his house in Laguna Beach and asked him what went wrong with the Hubble.  His side of the story was that the projected cost of the test equipment needed to test the telescope before launch was more than the cost of a second Shuttle mission to fix any error they found.  (This was obviously pre-Challenger thinking.)  And the real sad ancillary story here is the the military "spy" satellites (some of which were about the same and also made by this company) had test equipment, but the military would not let the company use the existing military test equipment for a civilian project. So they launched the Hubble without testing it.  He claims the error was an element  that was flipped over.  (Subsequent looking at this issue suggests that this is a huge simplification of the technical problem with the optics.  It might have been "flipped over" in the software that then told them how to grind the mirror.) 

On the lighter side, this optical company owner/principle also had a 16" reflector telescope in the living room.  The little monster was about as long as it was wide.  It was not pointed at the stars.  It was pointed at the babes on the beach below him.  (Busted!)

Paul
www.PaulRoark.com   

 10 
 on: Today at 04:43:05 pm 
Started by Jeremy Roussak - Last post by Robert Roaldi
Canada developing their own refinery ship has long sailed. Way too costly and take too much time in this dying industry. The refineries should have been built decades ago.

That's probably true enough. A few years ago, Alberta's bitumen was supposed to the engine of the Canadian economy and there's no reason to assume that the price of a barrel of oil will stay depressed forever. Still, the energy industry is undergoing massive changes, it probably won't be the same again. If we're going to globalize industry sectors for reasons of "efficiency", it's kind of important not to elect whackadoodles who don't understand how the world works.

I kind of lost track of all the proposed pipelines. Are they still being considered in anticipation of Alberta bitumen eventually returning to profitability. The rule of thumb that I've always assumed is that a world price of about $100 per barrel is needed for that.

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