Author: Nicolai Grossman

Lightning activated camera shutter trigger

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FC writes:

This circuit is used to trigger a camera’s electronic shutter circuit when a flash of lightning is present. This circuit would also work for photographing fireworks displays or other events involving flashes of light. In a nutshell, the photo darlington converts light pulses into electrical pulses, the first LM324 section amplifies the electrical pulses, the second LM324 section is a high pass filter that only passes quick changes (lightning). The third LM324 stage is a comparator that allows only large pulses to pass through, and the 4047 one-shot stretches out the length of the pulses so that they are long enough to drive the relay and trigger the camera.

Continue reading at SolOrb.com (includes schematic)

Via MAKE Blog

Security holes in Photoshop CS2 & CS3, fixes available

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Adobe says:

Critical vulnerabilities have been identified in Photoshop CS2 and CS3 that could allow an attacker who successfully exploits these potential vulnerabilities to take control of the affected system. A malicious BMP, DIB, RLE, or PNG must be opened in Photoshop by the user for an attacker to exploit these potential vulnerabilities. Users are recommended to update their installations with the patches provided below, and Adobe encourages all customers to be cautious before opening any unknown file, regardless of which application they may be using.

Software fixes for both Mac and Windows available from Adobe’s security bulletin, Photoshop CS2 and CS3 updates to address security vulnerabilities.

"Before It’s Gone" group show, NM, US

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The Santa Fe Downtown Public Library is proud to announce the opening of the photography show:

"Before It’s Gone"
Photographs of the Albuquerque Rail Yard

Silver gelatin, platinum palladium and gum bichromate photographs of the Albuquerque Rail Yard by David Bram, Joshua Spees and Todd Stewart.

The show runs through July 31, 2007, at the Santa Fe Public Library, 145 Washington St, Santa Fe, NM, US.

Not Yet Utopic group show opening TONIGHT, NYC, US

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Not Yet Utopic show flyer

A group exhibition of six photographers:

Eric Hairabedian
Dana Gentile
Terry Girard
Kristopher Graves
Jersey Walz
Tricia Zigmund

Pocket Utopia is pleased to present 6 brave photographers who courageously make a space within a raw and demolished storefront. Where some gallery’s present shows in recently renovated yet not quite finished interiors, Pocket Utopia is simply sweeping aside the debris and putting up work.

Eric Hairabedian theatrical color photographs, are carefully posed and Dana Gentile’s site-specific collages, personable and composed, creatively and delicately cover the raw space. Terry Girard’s Polaroids explore aspects of undefined and uncomfortable places. Kristopher Graves’ disarmingly descriptive images of solitary adventures reference nature but are not about the natural environment and Jersey Walz’s black and white photographs glisten with sausages and other beautiful arrangements in light and space. Working in color, Tricia Zigmund hangs images created during the shooting of a film, along with other provocations and transgressions.

What’s inherent in all the work presented in this demolished space is that the show becomes a sculpture. Photographic imagery, portrait or collage, expands from the actual picture and floats off into the space, just for a moment, before renovation and change occur and the next image is captured.

Pocket Utopia is located at 1037 Flushing Avenue, Brooklyn, NY, US (directions here).

I’m not familiar with the other artists, but Dana Gentile’s got skills; if the others as good, this should be one hell of a show. Check it out!