Digital Nature Photography and Adobe PhotoshopThe digital nature photographer does more than just take pictures. He is part adventurer, part traveler, and part nature and wildlife observer - on top of being a skilled photographer. "Digital Nature Photography and Adobe® Photoshop®" addresses the unique challenges and needs of the digital nature photographer, combining an... | | Power Supplies for LED DrivingThe LED has been available for many years now, initially as a red colored indicator. Later, yellow/amber, green and finally blue colored LEDs became available, which triggered an explosion in applications. Applications included traffic lights, vehicle lights and wall-washes (mood lighting). Recently blue colored LEDs have been combined with yellow... | | |