Thursday, October 16th, 2008
Taking good photos underwater requires a good white light source such as a flash or spotlight. But some wavelengths of light penetrate water more easily than others, and the result is a heavy blue cast. The tint gets progressively deeper as subjects get further from the camera, meaning that corrective filters only work for a narrow range of distances from the lens. A new patent application suggests the solution is to use a camera with a battery of different flashes. Each produces a different wavelength of light, which penetrates water to different extents. A sensor records that effect, making it possible to work out the distance to a subject in the image.
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Wednesday, October 15th, 2008
Issue 101 of SCUBA News (ISSN 1476-8011) is now available online at http://www.scubatravel.co.uk/scubanews101.html.
With articles, marine facts, your letters and the diving news from around the world.
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Friday, October 10th, 2008
NOAA officials today issued a regulation that will implement new measures to protect
endangered North Atlantic right whales.
The regulation will, for the first time, require large ships to reduce speeds to ten knots in
areas where the whales feed and reproduce, as well as along migratory routes in between. The
goal of the regulation is to reduce the risk of ship collisions with the whales.
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Thursday, October 9th, 2008
Compiled from the favourite destinations of diving "experts" - includes Raja Ampat (West Guinea), Lembognan (Indonesia), Maine (USA) and Myanmar.
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Thursday, October 2nd, 2008
Europe is warming faster than the world average, creating conditions that are making the Mediterranean region dryer and the north wetter, according to a report studying the impact of global warming on Europe.
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Wednesday, October 1st, 2008
DIVE magazine is the UK's most popular scuba diving publication and is now being offered with 27% off for 12 issues. It contains the latest news, equipment reviews, photography, features on where to dive and tips to improve your skills. Delivered world-wide but discount only available in the UK.
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