"light darkness" is not a correct English phrase and is not usable in written English.
Instead, you could use phrases such as "illuminate the darkness" or "shed light on the darkness". For example, "Her words illuminated the darkness of her despair and gave her hope."
Participants reflect on divine light within creation, the Christ Light, darkness, and the light within.
Failures, as Steffens hoped, have been illuminating, but after each flash of light, darkness has prevailed.
The wakan were associated with natural phenomena such as the sun, light, darkness, woods, and grasslands.
Since the optical structure is primitive, the visual image received is crude; ocelli can perceive only light, darkness, and movement.
But even in Eastman's lab studies, when exposures to light, darkness and melatonin are carefully controlled, some people's bodies adjust more quickly than others.
An experiment was designed that included variables such as type of secretion (eccrine and sebaceous), substrate (glass and polystyrene), and degrees of exposure to natural light (darkness, shade, and direct light) indoors.
There was also a Pythagorean "table of ten opposites," to which Aristotle has referred limit-unlimited, odd-even, one-many, referred limit-unlimited rest-motion, straight-curved, light-darkness, godd-even, and square-oblong.
The temperature was between 28 and 32 °C; the relative humidity was between 65 and 80 %; and the photoperiod was 12/12 h (light-darkness).
In the breeding colony, animals are exposed to an artificial photoperiodic regimen consisting of six months of summer-like long day length (14∶10 h light-darkness) and six months of winter-like short day length (10∶14 h light-darkness).
Transgenic fish and their progenies were maintained at 10°C in recirculating water under artificial light-darkness conditions, mimicking the annual photoperiod variations.
3 day old males were placed in groups of 30 in these vials and maintained at 26°C with a 12 12 light-darkness alternation.
