Showing posts with label optics. Show all posts
Showing posts with label optics. Show all posts

Monday, April 07, 2014

Salieri and Me

One of the things that has always annoyed me about myself is my lack of fluency in most of the things I do. By fluency, I mean the seemingly effortless way that many Europeans switch among 3-5 languages (while I struggle to follow a simple conversation in French or Japanese), or the way Paul Simon writes a song, or Eric Clapton plays guitar.  Back when I was still flying, I spent some time (in 2011!) with an instructor working on a tail-wheel rating that I never quite finished. Although I managed to do things safely, I was frustrated that I could never come close to the smoothness and consistency with which my instructor handled the airplane.

Closer to my professional life, I discovered in college that my brain’s “math engine” didn’t work very well beyond matrix algebra and calculus. I was the only science or engineering major I knew whose verbal SAT scores were higher than the math scores. I always felt that my “real” science major friends could “think in math,” while I somehow had to emulate the math in my verbal brain, a trick that didn’t work very well for abstract subjects like quantum mechanics. When I did software development early in my career, it was similar. Basic algorithm development, coding, and debugging were all OK – but despite my physics and optics background, I just could not get my head around complex optical analysis algorithms (or invent new ones, as I was expected to do). Is this why I eventually ended up in marketing and sales (albeit for some highly technical software products for optical science and engineering)?

While this is only a partial list, right away you might spot a problem: too many interests. If you dabble in a lot of different things, how can you expect to be an expert in any of them? That is a good point, but my interests are my interests, and I have trouble just dropping something I love (though I have pretty much done this with flying, a demanding hobby where dabbling is dangerous). Other conclusions might follow. Things that seem effortless seldom really are. You have probably heard about the 10,000 hour rule. I’m not sure it’s exactly a rule, but the idea is that you need to do something for 10,000 hours or more before you can expect to be really fluent or expert in it. My most recent flight instructor probably has 10,000 hours of flight time (I have about 125). Paul Simon has probably written 1000 or more songs – I have written maybe 200. I almost never practice playing the guitar (when I try, I usually end up writing a song fragment instead – or if I’m lucky, maybe a complete song). Although I can still recall chord progressions and lyrics for songs I learned in my teens or twenties, I can hardly remember new songs I learned or practiced a couple of months ago (including my own songs!).  Fortunately I am quite good at making and playing from lyric/chord sheets!

I love Mozart’s music, and I’m a big fan of the movie Amadeus, even though it is only loosely based on Mozart’s life, with many aspects exaggerated for dramatic effect. One of these is Salieri’s extreme jealousy of  Mozart’s musical talent, even to the point of working to sabotage Mozart’s career. The evidence suggests otherwise, but it makes for a good story, and for some good lines for Salieri. In the movie and in real life, Salieri did very well as the court composer for Emperor Joseph II. But in the movie, he compares his own musical gifts to those of Mozart, and comes up short: “All I wanted was to sing to God. He gave me that longing... and then made me mute. Why? Tell me that. If He didn't want me to praise him with music, why implant the desire? Like a lust in my body! And then deny me the talent?”

Forget Mozart, I can hardly compare myself musically to Salieri, a professional who wrote more than 40 popular operas and who enjoyed status, fame and fortune until his death in 1825 at the ripe (for the time) old age of 75.  But I sometimes share his frustration in seeing what is possible in a Mozart, Paul Simon, or Eric Clapton, even though I have not begun to put in the time or effort (not to mention the prerequisite talent) to create or achieve at such a sublime level. There’s a character in The Hotel New Hampshire by John Irving (no relation) who says, “You've got to get obsessed and stay obsessed.”  I don’t think I have really done even that – if I had, surely I would be working on songwriting, Japanese, higher math, guitar, something, every single day. But many days I just go to work, or if I’m home, I hang out, I read a book, watch a movie, or play around with apps on my iPad. And check Facebook five or six times. Or 10. Of course I do have the serial obsession thing going on – when I do lock onto a well-defined project (like getting my pilot’s license or recording an album), I manage to focus on that pretty tenaciously for weeks or months at a time (which is not always a good thing).

But aside from English (speaking, reading, and maybe writing), I have achieved fluency in one important skill: rationalization! After beating myself up (rather gently) for a few paragraphs, I can turn around and think things like “lifelong learning is fun” or “creativity is its own reward” (as argued in this lovely letter from Kurt Vonnegut), and congratulate myself for at least trying to speak foreign languages, create music, understand general relativity, or fly airplanes (despite my relatively poor sense of direction and lousy parallel parking skills).

Finally, I cannot end this blog post without acknowledging that to a high level of approximation, I’m whining here. Anyone who has had a chance to write, play, and record music with amazing friends and musicians, learn to fly with dedicated and talented flight instructors, and travel enough to have found French and Japanese worth studying – shouldn’t be complaining!  But hey, it's a blog.

Sunday, March 04, 2012

Cool Optical Technology

A couple of years ago I attended a technical talk by Dr. Ren Ng, now the CEO of a company called Lytro. He talked about some aspects of the optical and mathematical methods now incorporated in Lytro's "light field camera." It's a pretty amazing technology now available as a product. Roughly speaking, by capturing additional information about the direction of light entering the camera when the picture is taken, digital images can be focused and zoomed after they are captured. This "Shoot Now, Focus Later" article from NPR explains the basics and includes a couple of interactive examples. Dr. Ng's Stanford Ph.D. thesis (PDF) explains a lot more.

Sunday, February 12, 2012

Optics for Mars

JPL's new rover "Curiosity" is en route to Mars, set to arrive in August 2012. A recent NASA press release describes an interesting aspect of the optical sensors carried on board the rover. A special test chart is installed to allow for calibration of camera systems for resolution and color. The chart includes a 1909 Lincoln penny (hey, it's Lincoln's birthday today!) as a familiar size and detail reference, more for public engagement than for any specific science or engineering need.If you zoom in on the above image, you can see that the black & white test chart resolution samples are labeled in cycles per millimeter, the typical unit used by optical engineers to define image quality. A "cycle" is a pair of black and white lines (cycling from white or bright to black), so 2.0 cycles/mm means that two black/white pairs will fit into a millimeter of width (so each bar will be 0.25 mm wide). Higher cycles/mm correspond to finer detail in the image (smaller pixels in a digital image). This chart will be used to calibrate the instrument called MAHLI (Mars Hand Lens Imager) that will provide close-up images of mineral and soil samples.

Wednesday, December 21, 2011

Great Model Airplane Video

I just learned that a fellow optical professional in Europe has a cool hobby - shooting HD video from a RC model airplane flying above the beautiful scenery of Switzerland. Although I have known him for some years through my visits to his company, I never knew about the RC flying. Since I'm interested in pretty much anything involving flying, I thought this was just great and wanted to share it.

The above image is a screen shot from this video. The prop is stopped and folded through most of this video (it's essentially an RC motor glider), but the engine is briefly started during the turn to final approach and landing at about 3:10. This video is also great (you can see the prop stop and fold at about 0:18). Some others are here.

Sunday, May 23, 2010

VR Camera Demo?!?

I know this is just advertising, but it's really cool. In the new WIRED magazine, Olympus had an ad for a new digital camera called the PEN E-PL1. A nice, advanced little camera from the description, but the intriguing thing was the life-size cardboard cutout of the camera stuck to the ad. The ad's text promised an "augmented reality" demo of the camera using the cardboard cutout, a web cam, and a web site (plus a plug-in you need to install).

I decided to try it, and it works - it's very cool, but still limited. If the cardboard camera is in the web cam's field of view, their software recognizes this and replaces the cutout in the web cam scene with a 3D virtual model of the camera which features working buttons. The buttons are a bit awkward to use (holding the cardboard cutout in front of the web cam with one hand, clicking buttons with the other). You can rotate the cardboard cutout over a limited range and the VR version follows you. You can even take pictures and modify them in various ways that are supported by the real camera.

It's awkward but it sure is clever. If it were on a nice, large touch screen like the (ahem) Apple iPad, it would be a lot cooler since you could press the buttons right on screen (as I tried to do anyway on the PC screen, silly me). That's silly me in the GEB-like self-referential scene above.

Monday, December 14, 2009

WISE Mission


NASA's WISE infrared telescope spacecraft is scheduled to launch this morning from Vandenberg AFB in California. WISE will perform an infrared all-sky survey at much higher resolution and sensitivity than any previous IR surveys. The bar is not very high on this, since NASA's previous all-sky IR survey satellite was IRAS which launched in 1983 with a whopping 62 detectors (of course other infrared telescopes such as Spitzer have higher resolution but are not suitable for all-sky surveys). WISE will capture everything that radiates in its wavelength band, from asteroids to brown dwarfs to galaxies, and there are bound to be surprises and dramatic discoveries as there always are when new technologies are deployed in space telescopes to look more closely at the universe. The video above is a great overview of the mission.

Note: If you follow this blog, you will have noticed that there hasn't been much to follow recently. I blame this on various distractions, some of which are necessary, and some not so necessary. Sort of a blogging recession. But hey, these things happen, and I hope to return to more regular blogging in early 2010, probably after February 12 when I wrap up an important company event that I organize every year around this time.

Sunday, November 08, 2009

Journey to Palomar


Busy week, but I had a little time to kill with my iPod handy, and I finally watched Journey to Palomar, a PBS science special that I bought back in September (from the iTunes store for $1.99). This is an excellent documentary about George Ellery Hale (1868-1938) and his lifelong quest to build the biggest telescopes in the world while also managing to find time to do groundbreaking work in solar astronomy and especially spectroscopy.

In persuading financial backers and managing some of the biggest scientific projects of his time, he was directly responsible for the existence of the Yerkes telescope in Wisconsin (102 cm/40 inch refractor), two telescopes at Mount Wilson, CA (the 1.5 meter/60 inch Hale Telescope and the 2.5 meter/100 inch Hooker Telescope), and the 5.08 meter/200 inch Hale Telescope at Palomar Mountain, California (completed 10 years after his death - the project was put on hold during WWII). He also helped to establish Caltech in Pasadena. He accomplished all this and more while overcoming a lifelong struggle with mental illness. I knew very little of this amazing man, and I highly recommend this 90 minute documentary. In addition to the biographical aspects, there is great information (including amazing film clips) on the design and construction of the telescopes.

Tuesday, October 27, 2009

Big Telescopes Get Lucky (Imaging)


Over lunch I read a cool article in the November Optics and Photonics News. The article is called "High Resolution Imaging with Large Ground-Based Telescopes" by Craig Mackay, and it's not available online yet, though there is quite a lot of material on the subject at the "Lucky Imaging WebSite," hosted by the University of Camridge, where Mackay is an astronomer. The home page includes a good overview of the subject as well as many links to more detailed articles and even a Ph.D. thesis if you want lots of detail.

I'll let you read elsewhere for the details, but "Lucky Imaging" takes advantage of the statistical properties of atmospheric turbulence in combination with fast, low-noise, electron-multiplying CCD's and some very clever techniques to achieve diffraction-limited imaging from ground-based telescopes in visible wavelengths, where adaptive optics methods (AO) have not been especially successful (AO works better in the infrared). We're talking Hubble quality resolution or better, especially when this technique is implemented on the latest very large telescopes. It has already been demonstrated on the Palomar 5 meter telescope in combination with an AO system. The animated GIF above compares an uncorrected Palomar image of the Cat's Eye Nebula (NGC6543) with the same object using the AO plus Lucky Imaging technique (Hubble's Cat's Eye images look better than this due to several factors including longer exposures, but this gives an idea of the improvement Lucky Imaging makes possible).

Monday, October 12, 2009

A European Rainbow


Last week I was on a business trip in Europe, visiting companies in Oslo, Paris, Madrid, and Cannes with additional stops in Frankfurt and Nice. Yeah, I know - rough duty. I can't complain too much about that list, but visiting 7 companies in 4 cities in 3 countries in 5 days is hectic even if the food is (sometimes) good. Sometimes it's potato chips and water while rushing to the next appointment - not a very European lunch, but I'm flexible. Here are some non-proprietary highlights.


Oslo - This was my first visit to Oslo and I had a few hours to walk around on Sunday afternoon when I arrived. I visited the amazing Vigeland Park sculpture garden. Sculptor Vigeland was an obsessed with the nude human form and there are some 200 sculptures in that park to prove it. I also visited the Nobel Peace Center, where on October 4, I took the picture at the left. Aren't you a little suspicious of that life-size cutout of President Obama at the Nobel Peace Center five days before the Nobel Peace Prize was awarded to him? Actually it was a civil rights history exhibit called "From King to Obama."

Paris - Paris is nice even on a brief visit (evening arrival and dinner, then two customer visits the next day before flying to Madrid), even if you have only an average cafe meal for dinner. Average in Paris beats "great" in many cities. But it was a quick visit.


Madrid - Two full days of business, but we managed to get a quick look at the Royal Palace of Aranjuez where we stopped at the gift shop to buy the aforementioned chips and bottled water for lunch. We had seven minutes and saw only part of the exterior, which is lovely. No time for the famous gardens. Later we had a few hours before a late evening flight to Nice, and we visited Alcala, a town known as the birthplace of Cervantes, famous author of Don Quixote. The museum was closed but there was a nice statue of Don Quixote in front and the annual Cervantes festival was just starting. The new terminal at the Madrid airport had an interesting reference to optics in its construction - the roof supports were painted in a continuous spectrum from deep blue at one end to red at the other. This is shown at the top of this post - two photos taken from different spots in the middle of the spectrum, one looking toward red, the other toward blue. Cool effect.

Nice and Cannes - We stayed one night in Nice (late arrival from Madrid) before driving Friday morning to Cannes. There we visited Thales Alenia Space, and although it was not the main reason for the visit, we got a chance to see some cleanrooms ("salle blanche" or "white room" in French) where some seven communication satellites were under construction (the Huygens Titan entry probe was assembled here, as were many other European space exploration satellites in addition to weather, communications, and Earth remote sensing satellites). We also saw a huge vacuum test chamber, the largest in Europe. No cameras allowed, so I grabbed the picture below from Thales Alenia Space's online multimedia library.


On Saturday I was able to visit a wonderful little island called Porquerolles, a short boat ride from the city of Hyères on the south coast of France (about midway between Marseille and Saint-Tropez). I spent several hours exploring the walking trails, beaches, and rocky shore areas before enjoying a lunch of mussels, frites, and a rosé wine made right on the island.


Then it was time to head back home via Paris and Frankfurt - I took this picture of Porquerolles just after takeoff from Toulon airport en route to Paris (many great Porquerolles photos here).



Now it's time to start reviewing Japanese for an upcoming trip to a different island...


Wednesday, October 07, 2009

Nobel for Optical Achievements


As an optical engineer (and undergraduate physics major), I was really pleased to learn that this year's Nobel Prize in Physics was awarded for major achievements in optics. The prize was shared between Charles K. Kao "for groundbreaking achievements concerning the transmission of light in fibers for optical communication" and Willard S. Boyle and George E. Smith "for the invention of an imaging semiconductor circuit – the CCD sensor." Fiber optics communication and image sensors for digital cameras and space telescopes have certainly changed the world for the better. Congratulations to the winners!

Thursday, October 01, 2009

Getting Hyper(spectral)



As an optical engineer, I have a professional interest in all sorts of optical systems. I currently don't do optical design on a regular basis myself, but sometimes I have to dig into some particular aspect of optical design to develop a presentation or prepare for a customer visit. It is such a circumstance that is leading me to dig a bit into hyperspectral imaging systems. These are cool optical systems that also connect nicely with my interest in space exploration. The picture above is the spectrometer part of a sample system I've been playing with today (designed by a colleague for demonstration purposes).

Spectrometers are pretty well known in astronomy and other technical fields (e.g., chemistry). A spectrometer uses a prism, or more commonly a diffraction grating, to spread incoming light into its component wavelengths (corresponding to colors for visible light). Spectra can be collected from the sun, from stars, from flames, light bulbs, etc. and when properly captured, recorded, and analyzed, they can reveal information about materials present in the light source (and possibly also of a medium in between the source and the instrument, e.g., the Earth's atmosphere, which selectively passes or absorbs certain wavelengths emitted by the sun). Spectrometers can also look at reflected or scattered light, and if the properties of the source are known, changes in the spectrum recorded from the reflected light can provide information on what chemical substances must have been present in the object that reflected or scattered the light.

Imaging spectrometers also do this, but they do it in a way that captures both an image of the source ("spatial data") and spectral data from specific parts of the image. So instead of recording a spectrum of the whole scene or object (which would have to be some sort of average of everything in the scene), an imaging spectrometer records a separate "rainbow" for each pixel in the image.
If you scale this up to where you are collecting such pixel-by-pixel spectra for many narrow wavelength bands across a wide range of wavelengths (maybe ultraviolet to infrared), you are now in the hyperspectral imaging domain, and this is especially exciting for remote sensing of the Earth and other planets. Instruments of this type are carried on the Mars Reconnaissance Orbiter (CRISM) and on various Earth remote sensing satellites (and aircraft) to help map the locations and types of minerals and also vegetation (at least on Earth). The amount of data that is collected can be huge if you have high spatial resolution (many megapixels) and high spectral resolution (many wavelength channels). This data can be depicted visually as a "datacube," as in the AVIRIS example at left (the 224 contiguous wavelength bands form the "depth" of this cube). This article is a good brief overview of hyperspectral imaging for remote sensing.

Wednesday, September 09, 2009

Hubble Remastered! (Beatles Too)

The date "09-09-09" seems so momentous but it's really just another day, right? Well not quite! This is the day that the entire collection of newly remastered Beatles music was released on CD! And the Beatles Rock Band game too! Exciting stuff.  I'm trying not to buy either of those though I am one sorely tempted baby boomer at this moment...

But here's something that's completely new and remastered and you've already paid for it: the Hubble Space Telescope! NASA released the first official images from HST since its "extreme makeover" by visiting STS-125 astronauts back in May. Gorgeous images! New scientific results! A triumph of optics, robotic space flight, and human space flight!

Enjoy!

Wednesday, August 26, 2009

Collecting Experiences

I'm in Seattle this week, on vacation and collecting new experiences at an amazing clip. I thought I might mention this since Kevin Thompson gave my blog a plug the other day on his blog, Idle Diffractions (thanks Kevin), and I figured it would be nice to have written a post newer than August 11. So here it is, a sort of smorgasbord blog post from the Great Northwest.

One of my experiences was a full-motion simulator ride today at the Museum of Flight which was very cool. I was flying a simulated F-15. This was only the second time I've experienced a simulator that actually turns you in any direction (including upside down) as part of the simulation, and it was great, especially on the loops and barrel rolls. Other experiences this week have included Paul Allen's (EMP) rock & roll museum and SF museum, and tomorrow I'll be taking a short seaplane flight. I also did a little real (C172) flying recently back in Massachusetts, and with the extensive work I've been doing on my upcoming album Message from Tomorrow, you can see that I've really been doing my best to live up to both parts of my nom-de-web (FlyingSinger).

Finally, I'd like to mention that while in San Diego the first week of this month for SPIE, I did manage to see the great historic telescope exhibit that Kevin raved about in one of his posts. It was indeed an amazing collection of historic optical instruments. I even got someone to take a couple of pictures for me, one of which is here (thanks, Dave).

My experience tanks are nearly topped off (I've also read a few books this summer) and I hope to return to more regular blogging starting in September.

Wednesday, August 05, 2009

Galileoscope!

The Galileoscope is a special low-cost refracting telescope kit that is being distributed as part of the International Year of Astronomy (IYA). Galileo used a simple refracting telescope 400 years ago to observe the craters of the Moon, as well as the phases of Venus and the moons of Jupiter. IYA 2009 recognizes this important 400 year anniversary.

The Galileoscope is not a replica of Galileo's telescope, but rather an easy-to-assemble kit consisting of a 50 mm glass achromatic cemented doublet objective (way better than Galileo's objective lens) and a couple of eye pieces with plastic optics that can be used in three ways. It also includes the tubes and other parts required for assembly (no tools are needed). The basic eyepiece is a Plössl type and provides 25x magnification. There's an auxiliary eyepiece with a negative lens similar to what Galileo used. Its field of view is so small that it's like looking through a soda straw, so the main use of this is to show how bad Galileo had it when he made his early discoveries (though his view was even worse than this). But this eyepiece can be combined with the basic eyepiece and the included Barlow extender tube to provide a 50x eyepiece that works pretty well - good enough to clearly see the rings of Saturn, they say.

I just got a Galileoscope today, assembled it, and tried it out on some nearby trees and buildings. It works quite well, providing clear and sharp views, though the friction-based focusing is hard to set precisely. I haven't tried it on the night sky yet - maybe tonight.

The Galileoscope has been available online for $15 plus shipping, but the price is going up to $20 effective August 10 (their production and shipping costs were higher than expected). This is still a good deal for a telescope of this quality. The instructions (2 pages) that come with it are quite minimal and even a bit confusing, so I recommend that you download the expanded instruction PDF (7 pages with color photos) from the web site. There's also a nice 20 page PDF Galileoscope Observing Guide available for download.

Assembly is easy, but you should look carefully at the shapes and orientations of the plastic eyepiece lenses. There are several different types, and they have to be assembled in a certain order and orientation. They look very similar even though they have different curvatures and thicknesses. One tip: the negative lenses (thinner in the middle) will make distant objects look smaller and right-side up when you hold them a few inches from your eye. The positive lenses (thicker in the middle) will show an inverted image when held up that way. Look carefully to determine the flat vs. curved (convex or concave) sides of the lenses.

If you assemble an eyepiece wrong, things won't look quite right, but don't panic - you can easily take it apart and try again. No screws or glue are used in assembly. Just handle the lenses carefully by their edges to avoid fingerprints.

Sunday, August 02, 2009

New Blog: Idle Diffractions

A colleague of mine has launched a new blog, focused (as it were) on optics, Idle Diffractions (it's sponsored by the company we both work for). Kevin Thompson is ORA's vice president of engineering and he's a really interesting guy with over 30 years of wide-ranging optical design experience. He also collects optics books including some really, really old ones, and he has a corresponding interest in the history of optics and optical design. His first post talks about the Hubble Space Telescope, a subject on which he has some personal experience. Kevin plans to write more on the Hubble and on many other aspects of optics old and new in the weeks and months to come.

Saturday, May 23, 2009

400 Years of the Telescope

I missed this PBS special when it was broadcast earlier this year, but tonight I got to see "400 Years of the Telescope" at my astronomy club meeting (yes, I do live an exciting life). Narrated by Neil deGrasse Tyson, the one-hour special does a good job tracing the history of telescope technology and its application to astronomy, from Galileo to Hubble (man and telescope) to the next generation of really huge ground-based telescopes now under development. Good stuff for general audiences, with enough "behind the scenes" views and interview segments with astronomers to make it interesting for people like me who already know most of this stuff.

There's lots of great background material on the web site, including a very good teacher's manual called "Glass and Mirrors" with simple demonstrations on how lenses and telescopes really work, using simple lenses as well as pieces of foam and sticks to simulate light rays and explain things like focal points and why images from concave mirrors (and spoons) can be inverted. Good optics materials!

Friday, May 08, 2009

Hubble's WFPC2: Farewell

It's not gone yet, but with the final Hubble service mission (STS-125) set to launch on Monday, WFPC2 will soon be replaced by the new WFC3 instrument. WFPC2 was built by JPL as a backup for the original WF/PC (Wide Field and Planetary Camera) that was installed in HST when it launched in 1990. When the error in HST's primary mirror was discovered, WFPC2 was already in construction, and it was quickly realized that relatively minor optical adjustments could be built into it to correct for the primary mirror's aberration without using the auxiliary correction optics (COSTAR) that would be needed for Hubble's remaining on-board instruments.

WFPC2 was so modifed and completed by JPL and was installed by astronauts on the first service mission in 1993. It turned out to work very well indeed. WFPC2 served as Hubble's primary instrument for imaging in the visible spectrum from 1994 on (until ACS, the Advanced Camera for Surveys, was installed in 2002, and again since 2007 when ACS failed). WFPC2 incorporates some clever optical engineering, including the ability to optically align certain components by remote control while in orbit. This was especially critical, since the built-in aberration compensation for HST's primary mirror depended on very accurate alignment between the "output beam" of the main telescope and the "input optics" of WFPC2.

The results speak for themselves - many of the most iconic and beautiful Hubble images that we know and love were produced by WFPC2 (not to mention a lot of great science). JPL's web site has several articles and an image gallery looking back on WFPC2's discoveries.

One of those images is the famous "Pillars of Creation" in the Eagle Nebula. The picture above shows the characteristic stair-step shape of WFPC2's segmented field of view.

UPDATE (5/10/09): JPL has just posted an article giving additional background on the WFPC2 story, "The Camera That Saved Hubble... Twice: JPL's Wide Field and Planetary Camera 2."

Thursday, April 02, 2009

It's a Bionic Eye!

Actually it's an implantable telescope for people whose vision is severely degraded by macular degeneration. But damn, that sure looks like the Six Million Dollar Man's bionic eye! No zoom though. I want zoom in mine.

Thanks to MIT's Technology Review for helping me keep up with the future. I also discovered that they have a mobile version of their web site that looks great on the iPod Touch.

Wednesday, January 28, 2009

The World in Fake Miniature



I don't know where I saw this but it's pretty cool. TiltShiftMaker is a free web service to process photos of real scenes so they look like photos of models or miniatures. It basically creates an out-of-focus picture with an in-focus horizontal band. It also brightens the colors. For the right photo, this simple treatment can simulate the look of the very shallow depth of focus you often see when miniature objects are photographed (or when you use some special optics). I tried it on a few photos from various Europe trips (nothing else ever seems to happen with those pix!). I also applied it to some screen shots from Orbiter. Other examples on my Flickr page, and many examples by many people on the TiltShiftMaker Flickr group page.

It's not often that I want to do this, so having a free web site for it is just about perfect!

Update: How about a tiltshift video?

Saturday, January 03, 2009

Amazing Art at RISD


My daughters invited me to visit the Museum of Art of the Rhode Island School of Design (RISD) with them this afternoon. We saw a special exhibit of the glass art of Dale Chihuly. Somehow I had never heard of Chihuly, but he does astounding things with glass. Photos can't do justice to the colors and sensual shapes of his sculptures, some of which are huge and contain hundreds of elements. Simply beautiful "optics." Check his web site for samples of his work and information on other exhibits (the RISD one closes tomorrow).

The other special exhibit we saw at RISD was "Building Books: The Art of David Macaulay." David Macaulay is perhaps best known for The Way Things Work (1988, updated as The New Way Things Work in 1998). I first discovered him when my first daughter was a young child and I bought several of his "building" books ostensibly for her (Cathedral, Castle, Pyramid). His books and art are wonderful in explaining the intricate details of how things are built and how things work. It was cool to see many of his original illustrations and to learn about some of his more recent and different works. Like Chihuly, Macaulay is a RISD graduate and former professor. This exhibit continues until February 1, 2009.