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May 2013- Reviewed a biography of the great American Physicist Richard Feynman. - There is no direct way in Excel to implement integration for a continuous function. In this new article, I explain how to approximate the integral for a function using a neat technique know as "Gaussian Quadrature". - Posted a review of the Olympus OM 200mm f/4 lens adapted to a Canon Digital Rebel. April 2013- Published a new article analyzing how combining many resistors improves the overall tolerance of the equivalent resistor. A fun little problem that actually required some mathematics:) - Reviewed the book "The Power of Habit: Why We Do What We Do in Life and Busines". March 2013- New article on how to build an ESR meter to find defective capacitors. UPDATE: This article was featured in the hackaday.com blog. - Reviewed the excellent book "Abundance - The Future is Brighter Than You Think". February 2013- Published two new and related articles - A new article on how to build a A Karaoke mixer and amplifier for the iPhone UPDATE: This article was featured in the hackaday.com blog. - A transistor amplifier calculator that many electronics hobbyist may find useful UPDATE: This article was featured in the Dangerous Prototypes blog. - Reviewed the book: "RF Circuit Design" by Chris Bowick. January 2013- Published a new article on how to build a high-bandwidth "Lo-Z" probe. - Reviewed the book: "The Mystery of the Aleph". - Starting the new year with a book review: "So Good They Can't Ignore You" by Cal Newport. December 2012- Tis the season for singing. Today I publish article on how to build a (very) simple mixer for a Karaoke system based on YouTube streaming. - Added a new review for the book "Makers" by Chris Anderson. November 2012- Added a new book review for the excellent book "The Signal and The Noise" by Nate Silver. - New article: How to make a cheap panel voltmeter from a dollar-store pedometer. UPDATE: This article was featured in the hackaday.com blog October 2012- New article: Fume Extractor for the Electronics Workbench. - Added a new article on how to build an adjustable constant current load. UPDATE: This article was featured in the hackaday.com blog. September 2012- Added a new book review for the excellent book "Energy for Future Presidents" by Richad A Mueller. - Published a new article on how to build a LED fader for home lighting applications with two-level settings. It uses a notebook supply to feed a light strip with Cree XM-L power LEDs. August 2012- Completed a new article on how to build a battery operated light-box. Useful for product photography, macro shots and photographing small objects in general. - Added a new article on how to build a flood detector from a dollar-store "panic" alarm. July 2012- Added a new article on how to build an AC-powered USB charger for toys or other devices by re-purposing an old cell-phone charger. - Added a review for the very entertaining book "Moonwalking with Einstein". June 2012- I was recently in the market for a new car and also selling an old one. My experience resulted in two related articles now online: "How to Photograph a Car for Sale" and "How to Negotiate a Car Purchase Online". - Solar energy experiments can be quite fun. In this new article, I show how to build an important component for many solar powered systems: your own solar charge controller. May 2012- Added a new book review for the excellent book "Looking at Photographs". - Posted a review of the Olympus OM 24mm f/2.8 lens coupled with the Sony NEX-5N. April 2012- Ever got frustrated when cleaning your camera sensor? Using a sensor lopue can make the whole process so much easier. In this new article, I show how you can build one yourself. - Proud to announce that an article I wrote is now published in the May 2012 edition of the Nuts & Volts Magazine. The article is titled: "Sound Activated Laser Parking System". Be sure to get the Magazine! - Tired of those uncomfortable "neck straps" for your camera? Today I published an article showing how you can build a much better camera strap yourself. Introducing the "Rapidinha Camera Strap". - New article reporting my experience using an "old" 50mm f/1.4 Olympus OM lens with the Sony NEX-5N. March 2012- New article with some thoughts on panoramic composition. - Added a new article showing how to build a simple sound activated DSLR camera trigger. January 2012- Added several new photos to the "Latest Work Gallery". April 2011- Added several new photos to the "Latest Work Gallery". January 2011- Point Reyes is one of my favorite spots in Northern California. Today I'm posting a new Gallery from Drake's Beach in Point Reyes. November 2010- Following a snow hike in Northern Italy near Lecco, I'm posting a new Gallery. July 2010- I'm happy to announce that my photography work is on exhibition at the Butch & Nellies Coffee Shop in Midtown Sacramento (corner of 19th and I Street) from July 4th to August 8th. The "official" opening will be on July 10th on the second Saturday art-walk from 6PM to 9PM so please come on down to see the exhibition.
June 2010- California's Death Valley and Alabama Hills are some of my favorite locations in the state. Following a weekend trip, I'm posting a new gallery. May 2010- California is home to some very interesting "State Historic Parks"; some of them unknown to most people. The Indian Grinding Rock SHP is one good example. Please have a look at the new "Indian Grinding Rock State Park" gallery. March 2010- Added a new "Jack London State Park" gallery. - Added several new photos to the "Latest Work Gallery". February 2010- Added a new Doors gallery. - From time to time, I like to open-up gadgets and see what's inside. This weekend, I came across an old slide projector for $8 and had the idea of re-using one of its lenses with my DSLR. My new "Downtown" series of photos was taken with this new Blurromatic (TM) lens "technology"... Check it out. And if you are interested in building one of these, see this new article. - Portraiture is a style of photography that intrigues me. While I don't consider myself primarily a "fashion photographer", I do like to experiment new things.. it's a new year after all. In that vein, I started a "Portraiture Section" on the website with local model Kayla. Check it out. January 2010- To start the year, I added a new article on my personal camera recommendations. Holidays are a great time to catch-up on your reading and I just finished reading the book "Outliers". My review is now online. December 2009- Added a new article on how to control you DSLR from an Ipod (or other MP3 player). - Editing the number of photographs in a website can be challenging. However, it is important to give viewers a sense of the photographer's style with a limited selection of photographs. With that in mind, I created a new Favorites gallery that is now prominently displayed in the photography section. - Added a new article on my personal lens collection. - Added a new article explaining how to shoot HDR images without a tripod. November 2009Added a new article on how to build your own DSLR cable release. October 2009Added several new photos to the: "Latest Work Gallery". May 2009Added a new book review: "The Elements of Style". April 2009HDR photography has been quite a trend in recent years. Today I added a new article on HDR-BW; my personal take on HDR for black and white work. Preston Castle in Ione, CA is an interesting place for photographers and a short drive for me. I had the opportunity to visit the place this month and practice my new HDR-BW technique (see article above). The new Preston Castle gallery (in black and white) was the result and is now online. The Preston Castle Color Gallery is now also posted so you can compare the results... March 2009Added a new Midtown Sacramento gallery. Several new photos added to the "Latest Work" gallery. February 2009Added a new book review. Several new photos added to the "Latest Work" gallery. January 2009Added a new "Portraits" gallery to the photography section. Several new photos added to the "Latest Work" gallery. November 2008Added new book reviews and several new photos to the photography section. October 2008Added an article about calculating square roots in your head. September 2008Big News! The website was completely redesigned using the Joomla CMS. This is a powerful new tool for server-side php website design . It makes it so much easier to maintain and update the site I can't recommend it enough... can't see myself using pure HTML or Flash again. Hopefully, this will allow me to post more frequent updates to the content... I have no excuse now:) June 2007New gallery: "Bodie - Ghost Town". June 2007Big changes! I finally decided to convert all the photo galleries to a flash format with thumbnails etc (see "photography" area). I hope this will make it much easier to navigate through the many photos I have posted. It was a lot of work, but it should also allow me to update the site more frequently in the future. Plain html, was just too painful. For those of you that preferred the old galleries, they are still here, but I will not update them any longer. I also fixed an issue with the page design which (hopefully) makes the site look cleaner in wide-format monitors. November 2006New home page now includes a random flash gallery. Added a new "Faith" gallery and added/replaced several photos in the "Portugal - The North" , "Miscellaneous II", "Empty Benches", "Cars" and the "Panorama Experiments" galleries. May 2006Added photos to the "Panorama Experiments" and "Cars" galleries. July 2005Added a new "Miscellaneous II" gallery. July 2005Added a new gallery titled "Panorama Experiments" to the photography section. May 2005Added an article titled "Automotive Under-The-Hood Inspection" to the "Articles" section of the website. April 2005Added articles titled "The rule of 70 demystified" and "Divide by 9" to the "Articles" section of the website. Also made some cosmetic changes to to the site to make the text more readable. January 2005- Added an "Articles" section to the website July 2004Added the "Landscapes" gallery. New pictures in the "Miscellaneous", "Shadows" and '"Animals" galleries. June 2004Added the "Flowers" gallery. New pictures in the "Miscellaneous" gallery. April 2004Added the "Miscellaneous" gallery. March 2004Added photos to the "shadows" gallery. January 2004Added a gallery on Jenkinson's Lake to the photography section of the website. December 2003Actually, everything in this website is "brand-spanking-new". This is the first release of the website. Sorry but these are all the "news" I have for now... you didn't expect to get something like the New York Times through this link, now did you? :) |
