Therefore, instrumentation must detect variations as small as 0.00001%.

Very sensitive devices based on technical developments stimulated by attempts to detect variations of between different materials are now in prospect.

However, the human eye is better at detecting variations in intensity than in color, and these discrepancies are not usually noticeable.

You exercise what they call 'petit perception,' the ability to detect very small variations in human reactions.

The trained ear will detect variations created by two different temperaments: equal and just, which are close but not identical.

They take detailed pictures and detect variations in the land with sensors that see beyond the range of human vision.

In general, Proust's measurements were not accurate enough to detect such variations.

As a group they are powerful aids in cutting the genetic material in predictable ways and thus detecting normal variations.

Other devices can detect variations in the earth's gravitational field, revealing underground voids.

There are at least 10 technologies, for instance, for detecting genetic variations among people.