Some also suggest that animals detect changes in the air or in electromagnetic fields.

另外一部分科学家则认为动物能够察觉空气或者电磁场里发生地变化。

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EMALS recovers faster than steam catapults, meaning future carriers should be able to get more aircraft in the air in less time, and the electromagnetic launcher also wastes less energy.

电磁飞机弹射系统能够更快地重新充满能量，这意味着未来航母能够以更少的时间把更多的飞机弹射入空，而且电磁弹射器消耗的能量也更少。

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Heinrich Hertz proved that James Maxwell's idea was correct. Electromagnetic waves or energy passed through the air from one device to the other.

海因里希。赫兹证明了詹姆斯·麦克斯韦的构想是正确的，电磁波或者说电磁能量穿过了空气从一个装置到达另一装置。

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Electromagnetic waves or energy passed through the air from one device to the other.

VOA: special.2010.12.08

According to Andy Mazzara, the director of the Institute for Non-Lethal Defence Technologies at Pennsylvania State University, prototypes of such devices use a laser to create an ionised channel of air through which an electromagnetic pulse is directed.

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The future of clean tech is already looking bright, as the world's solar power capacity just hit a record 101 gigawatts, and researchers found a new way to charge batteries by harvesting ambient electromagnetic waves from thin air.

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He pointed out that Professor Henshaw's experiments were carried out in the open air, and that houses provided natural "shielding" from the electromagnetic fields.

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