"Without high-energy sources they can't attack us from a distance."

The radiation allows for the production of sulphur compounds that these bacteria can use as a high-energy source of food.

The uranium bundle acts as an extremely high-energy source of heat.

Radar indicated a low percentage of steel, scant iron, absolutely no depleted uranium and no high-energy sources that might power lasers or microwave beamers.

External, Internal, and Absorbed Doses A person can receive an external dose by standing near a gamma or high-energy beta-emitting source.

The Crab Nebula was once thought to be the steadiest high-energy source in the sky.

Kironide's a high-energy source.

The nectar is merely a high-energy source.

The three laboratories built around the high-energy source will each have specific roles.

The second and third generations of particles come only from high-energy sources like powerful accelerators and cosmic rays from deep space.