Inside the control room, physicists and engineers cautiously shot the beam down part of the tunnel, stopping it before it went all the way around.

在控制室内，物理学家和工程师们小心翼翼地在隧道的一部分将光束击落，在其完成全程之前把它拦截下来。

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It works by shining a hollow laser beam around small glass particles, as Inside Science explains.

它使用中空的激光波束移动微小的玻璃粒子。

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According to a study out of Daegu, Korea, an electron-beam accelerator inside a textile factory can remove toxic dye from 10, 000 cubic meters of wastewater every day.

根据韩国大邱的一项研究表明，纺织厂里装一台电子束加速器，每天可以从一万立方米的污水中排除有毒染料。

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Light was important to the Incas,too,says Torrey, and in another of his favorite photos, inside the Temple of the Sun, he captures the moment when a beam of sunlight marks the changing season.

VOA: standard.2009.12.15

The technology vaporizes (but doesn't burn) garbage with arcs of electrical energy that heat matter inside their beam to 25, 000 degrees.

WSJ: Grappling With a Garbage Glut

Peruvian police said Castillo's body was found with a rope around his neck hanging from a beam inside a house on the outskirts of Cusco.

BBC: Chilean 'cult leader' Ramon Castillo found dead in Peru

Every time a fly gets inside and breaks the beam, it gets counted.

BBC: Black eggs and ripe guava lead Taiwan's tech revolution