Like Hanoi, Laos introduced economic reforms in 1986 and as in Vietnam they led to visible progress - new roads, international hotels, a modern Japanese-funded airport in the capital.

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The only visible components are a single capacitive button, an LED and a micro-USB charging port.

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Most spectacular was the highly visible failure of the Clinton health care reform effort, led by First Lady Hillary Rodham Clinton.

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The final piece, weighing 22 tons, is a shiny, spaceship-like capsule containing a giant LED beacon that's expected to be visible for miles.

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The fire at about 18:30 BST on Saturday led to the venting of steam generators which caused noise and would have been visible to people living nearby.

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So all of the light produced by an LED is the same color, and LEDs can be designed to produce light in the visible range.

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Three factors led Danish investigators to believe the crime occurred in the United States: The background, some products visible in the video, and the man's appearance.

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There is some waste heat caused by inefficiencies within the LED, however, the net result is a big gain in the percentage of electricity converted to visible light.

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Depending on where in Washington, Utah you are standing, the brightly colored LED lights illuminating the 55-foot-tall glass atrium of 1445 West Grande Circle may be visible.

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