Accurate measurements of light intensity provide vital data for scientists and everyday applications. For example, precise values help optimize microscopy signals, trigger physiological processes in ...

Two cups of warm water don't make one cup of boiling water. But in the quantum world, multiple low-energy photons can combine ...

Results of investigations into limiting factors of photosynthesis can be presented as a graph. Typically, these will have the following profiles. The rate of photosynthesis will increase as light ...

The light intensity curves for LEDs, regardless of whether they are collimated with a lens or reflectors, follow a bell shaped curve (often referred to as a “Lambertian“ curve). The 50% intensity ...

Most people probably don’t think of everyday activities – such as hanging out the washing or putting away the groceries – as having an effect on their long-term health. But new research suggests that ...

People who experience migraines that are made worse by light might be better off seeing the world in green. While white, blue, red and amber light all increase migraine pain, low-intensity green light ...