Laser therapy uses painless waves of light to treat areas of the body that are experiencing pain or have suffered trauma. (animalclinicrc.com)
Real - time, unprocessed video of standing waves of light in a 15 - micrometer - long, zero - index waveguide taken with an infrared camera. (seas.harvard.edu)
For example, if a biological cell is placed into a water drop the cell's reaction to waves — whether waves of light, water or sound — can reveal information about the nature of the cell. (sciencedaily.com)