Viewing posts in All Categories (23)

October 11th, 2017

Making the Electoral College Work

Lawrence Lessig has another great new project to help save the republic. Ending the winner-take-all practice of the Electoral College process will return presidential elections to the principle of one person one vote and reclaim this most fundamental aspect of democracy from the catastrophically...

Read the full post >

August 16th, 2011

My RGB Working Spaces and Chroma Variant Sets

After many months of work in preparation, today I have announced, here on my Profiles page, the following:

1) The DCam Series — Five new RGB working spaces which I have designed specifically for use with digital camera captures, in a series of gamut volumes and shapes to meet every digital...

Read the full post >

November 30th, 2010

Printing Problems in CS5 on the Mac

My Test Results

Testing primarily with two Epson wide format printers, the Stylus Pro 9900 and the SP 11880, I have run more than 150 experiments, carefully conceived to reveal which methods of printing from Photoshop CS5 on the Mac work correctly and reliably so.

This topic is one, which...

Read the full post >

July 25th, 2010

NEW Video Interview

which I recently did for has been posted at:

Check it out!

Read the full post >

January 24th, 2010

Catastrophe for American Democracy

On Thursday, January 21st, 2010, the Supreme Court of the United States, in what is surely one of the three worst rulings in the history of the court, perpetrated a heinous crime against American democracy and the future of the American people. The five justices responsible were naturally: John...

Read the full post >

May 3rd, 2009

Fast Photoshop with 32-Bit Code?
May 6, 2009
Update and major addendum (at the end)

May 3, 2009


Since the dawn of Photoshop, those of us interested in making high-quality images (images requiring a large pixel count) have had to suffer...

Read the full post >

April 20th, 2009

Other Photographers Comment on Medium Format Quality Articles

In response to my long articles on medium format quality issues, I have received, either directly via e-mail, or from postings to discussion forums, a number of comments from other photographers which echo my own experiences with quality control and/or my expectations for off-the-shelf quality...

Read the full post >

April 9th, 2009

Getting Top Quality from Medium Format

ADDENDUM ADDED at the end, April 24, 2009

It's really a gigantic topic, but I want to share some of the important things that I've had to learn during my recent efforts to get an optimally-performing medium format digital camera system built and to learn how to use it effectively. My take on this...

Read the full post >

April 5th, 2009

Medium Format Digital Camera Optical Precision


Mainly written in early March, 2008
Completed July 8, 2008
Updated and Published April 5, 2009

Incorrect Image Link Fixed April 15 HERE

Thanks are in order for Elmo Sapwater of and Michael...

Read the full post >

March 31st, 2009

Focus Blending Takes Quantum Leap — New Helicon Focus Versions

Update: July 2, 2009: As of late June, a version has been created which does run in 10.5 on PPC, so a release should be imminent. Please refer to Mark Dubovoy's new article on about Helicon Focus, which acknowledges a small part of the work I did on Helicon Focus and comes...

Read the full post >

April 6th, 2008

Have We Already Passed Earth's Warming Limits?

(updated April 24, 2008)

For some time it has been clear to me that the changes we're seeing in the arctic, especially, prove beyond a reasonable doubt that we have long since passed critical major tipping points in the Earth's climate system. Perhaps the most important surprise from the...

Read the full post >

December 10th, 2007

Speech by Al Gore at his Acceptance of the Nobel Peace Prize

DECEMBER 10, 2007

Your Majesties, Your Royal Highnesses, Honorable members of the Norwegian Nobel Committee, Excellencies, Ladies and gentlemen.

I have a purpose here today. It is a purpose I have tried to serve for many...

Read the full post >

October 12th, 2007

Al Wins! (again)

Seriously, Al Gore's receipt of the Nobel Peace Prize for his tremendous commitment to educating the people of the world about the consequences of our unsustainable mistreatment of the sky is another major turning point in the effort to prevent the unfolding global catastrophe from taking us to...

Read the full post >

September 14th, 2007

Summer 2007 — Stunning Record Loss of Arctic Sea Ice!

On Friday the 17th of August, 2007, a news report on NPR revealed that the extent of the Arctic sea ice had, surprisingly, just reached a new all-time low extent (area), a full six weeks ahead of the expected seasonal minimum, meaning that the low ice extent for 2007 would be a record low by a...

Read the full post >

August 28th, 2007

Making it Visible

Please take a minute to watch this fabulous video spot that does something we've been needing for a long time, a way to visualize accurately this invisible but critically important process: Black Balloon.

Or this newer one, brilliantly illustrating the immense scale of our pollution: ...

Read the full post >

August 15th, 2007

EPSON's Next Generation — The world leaders in print quality go super wide, while introducing lots of improved technology

UPDATE August 30, 2007 -- Movies of Eight 3D Gamut Comparisons Added

UPDATE October 23, 2007 -- Details of the inkset(s) for all four of the new machines has been updated in three places as noted with an asterisk *.

Epson Stylus Pro 11880, 9880, 7880, 4880, Epson UltraChrome K3 with Vivid...

Read the full post >

August 1st, 2007

Debunking the Skeptics — Re: Hurricanes

On today's installment of Fresh Air, on National Public Radio, the climatologist Kerry Emanuel, professor at MIT's Deparment of Earth, Atmospheric and Planetary Sciences, gave a very succinct explanation of how it is that human-induced atmospheric changes are indeed responsible for the major...

Read the full post >

June 4th, 2007

Dire New Climate Warnings

A new study conducted by NASA, authored by 48 scientists, warns that the so-called tipping points for the Earth's climate are much closer than previously thought. The critical thresholds for atmospheric CO2 levels may be "much lower than 450 ppm", meaning that we may already be beyond the...

Read the full post >

March 26th, 2007

Interview Published in Better Photography

A long article based on an interview of myself by Peter Eastway, Publisher of Better Photography magazine in Australia, has just been published.
Better Photography

Read the full post >

October 27th, 2006

Watershed Moments in Our History

(Update Nov 3, 2006)

Two Giant Crises Meet Opportunity for Solutions in California Ballot Measures

Last night, November 1st (2006), President Clinton addressed a crowd of over three thousand supporters of Prop 87 in San Francisco, giving a speech that if heard by the voters would result in the...

Read the full post >

September 14th, 2006

Better Photoshop Techniques, Issue 7

This outstanding how-to magazine from Australia features a 20-page article which I wrote recently on ten of my favorite imaging tips. Copies are available on newstands there, by subscription, and online at The newstand price shown, $24.95 per copy, is in...

Read the full post >

February 10th, 2006

Guest Instructor at Fourth Annual Photography and Fine Art Printing Summit

It will be my pleasure to be guest instructor at the Fourth Annual Photography and Fine Art Printing Summit with Alain Briot and Uwe Steinmueller from November 10th to 13th, 2006, in Page, Arizona. Please visit Alain's page or my workshops page for more info on this and my other workshops,...

Read the full post >

May 10th, 2005

Major News for the Digital Printmaking Community

May 10, 2005 (minor revisions 5-11-05)

(See supplemental notes at the end 11-13-05 and 2-10-06)

Major News for the Digital Printmaking Community:
EPSON 9800, EPSON 7800, EPSON 4800

From Joseph Holmes

New EPSON Printers and Inkset Announced Today, Tuesday, May 10, 2005


Read the full post >