Computer keyboards are also a major source of radiation, perhaps you did not know.

也许你还不知道，电脑键盘也是主要的辐射源。

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The induction cooker is causing people more and more attention as an important source of radiation.

电磁炉作为其中一个重要的辐射源，引起人们越来越多的关注。

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One vessel entering New York recently was stopped by the coastguard and quarantined for several days outside the port while officials investigated the source of radiation emanating from its hold.

ECONOMIST: In peril on the sea | The

Further, study of the captured space rock could teach researchers how to efficiently extract water from asteroids a resource that could be an off-Earth source of radiation shielding and rocket fuel for journeying spacecraft.

MSN: NASA might lasso an asteroid and drag it to orbit near moon

The device's primary source of neutron radiation was the radioactive element californium, but the stream of neutrons produced by the californium was multiplied by passing it through a lattice of highly enriched uranium U-235, whose nuclear fission released additional neutrons.

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