Sentences with phrase «level radioactive sources»

Not exact matches

Researchers have proposed a new way to detect radioactive material using two co-located laser beams that interact with elevated levels of oxygen ions near a gamma - ray emitting source.

A trace amount of radioactive xenon - 133 has already arrived in California at a level one - millionth the dose received from natural sources like bricks.

Nuclear power is the only energy source where mishap or malice can kill so many people so far away; the only one whose ingredients can help make and hide nuclear bombs; the only climate solution that substitutes proliferation, accident, and high - level radioactive waste dangers.