Now, draw three more point sources next too the original one.

Point source - when the disease continues to spread for a short time.

In that 23-square-mile area, there are no point sources of pollution.

Frozen at what I'd seen emerging from that point source.

"I make it at least six distinct point sources, though."

Its origin was more a cloud than a point source, and it seemed to move.

Point sources include things like factories and electric power plants.

The origin was so far away that it acted as a point source.

Soon the point source broke up into separate distinct sources.

Known dumping into the ocean is also another point source of pollution.

Often its effectiveness can be determined by whether the problem has a diffuse or a point source.

"No point source has previously been identified at such high energies," the scientists said.

Data was now available on three local beams - and all had emanated from the same point source.

The streaks have been observed to grow slowly over the course of a year or so, always beginning at a point source.

In some cases additional information on major industrial stacks ('point sources') is available.

Usually, such a point source contributes a small area of fuzziness to the final image.

We have two large point sources of pollution in our sewage-treatment plants.

It was a point source that cast strong, sharp shadows over their suits.

There are these point sources, maybe a million of 'em, but they're not transmitting together.

Chandra observations have also revealed a point source at the position of the central star.

Ecosystems in and around the urban center are especially influenced by these point sources of pollution.

Or they could be from point sources, mainly black holes and neutron stars.

In point sources the nutrient waste travels directly from source to water.

A single electrode is a point source of current.

The gamma rays, they reported in the journal Nature last week, are almost entirely from point sources.