Under UV light, tar from the Gulf of Mexico oil spill lights up orange-yellow on the beaches of Gulf Islands National Seashore (picture) while clean sand glows purple in a long-exposure picture.

长曝光拍摄的图片中，大片的油污在紫外线下发出橙黄色的光，干净的沙子为紫色。这是海湾岛国家海滨沙滩上的情景。

youdao

Graduate student Kirby hopes that ultraviolet light can be used on beaches to guide oil-spill cleanup operations.

研究生Kirby希望紫外灯能用于指导沙滩上的油污清理工作。

youdao

When it looks good, you move on to the next light and surface, ” Barowsky explains. “Make your set tight, and don’t allow ambient light to spill onto the piece and affect color temperature.”

“你必须不断调整一个表面上的光线，直到调整好了为止”，Barowsky解释到，“把灯光安排的紧凑一些，不要让环境光漏进来影响色温”。

youdao

"As a result of LEDs it is now possible to place light exactly where it is needed and to greatly reduce spill light and energy wastage, " he said.

BBC: LED streetlamp aims to improve public's view of stars

The Energy and Climate Change Committee is looking at the British government's refusal to impose a moratorium on deepwater drilling in Britain and whether existing safety and environmental standards need updating in light of the massive spill.

CNN: BP's Hayward: Oil spill wasn't because of cost-cutting

Just look at the Minerals Management Service (MMS) in light of the Deep Water Horizon oil spill as an example of how not to run a regulatory agency.

FORBES: Why Jaczko Leaving The NRC Is Good for America