The research team has developed a technique that eliminates the need for highly specialized external light sources that deliver coherent light, which the technique normally requires. (sciencedaily.com)
Here, the torch that accompanies each character's weapon is practically useless, requiring players to rely on external light sources and hope their foes wander into the target areas. (thejimquisition.com)
Instead, it has the capability to utilize nature and natural external light source for bringing clarity to its display. (goodereader.com)