Engineers have long sought to do away with slow and messy electronics when building computers and instead to rely on light, which is far faster and does not get hot.

工程师们长久以来都在寻求摆脱制造计算机所依赖的缓慢与杂乱的电子学，相反现在依赖于光——因为它的速度更快而且不会生热。

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"It used to be at an airport you could get anything you wanted--as long as it's a hot dog or a piece of cold pizza, " jokes Greg Principato, president of the North American Region of the Airports Council International.

FORBES: Fuel Costs Could Trim Summer Air Travel. A Bit.

"It could be a very long, hot summer with a lot of potential for fires if they get started and if we continue to have the hot dry weather, " said Hutchinson.

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