When light meets a water droplet, it is refracted at the boundary of air and water, and enters the droplet, where the light is dispersed into the seven colors. The rainbow effect occurs because the light is then reflected inside the droplet and finally refracted out again into the air.hen light meets a water droplet, it is refracted at the boundary of air and water, and enters the droplet, where the light is dispersed into the seven colors. The rainbow effect occurs because the light is then reflected inside the droplet and finally refracted out again into the air.
Valium belongs to a class of drugs called benzodiazepines, which work by increasing the effects of GABA, a neurotransmitter that moderates the activity of nerve signals in the brain. The Food and Drug Administration (FDA) approved diazepam in 1963 under the brand name Valium for the Roche drug company.
Valium can be detected in a urine test for up to 1-6 weeks. Blood tests for Valium can detect the drugs for up to 6-48 hours. A saliva test can detect Valium for 1-10 days. Valium, like many other drugs, can be detected with a hair follicle drug test for up to 90 days. Valium is prescribed for a variety of purposes including to relieve anxiety, muscle spasms, and seizures and to manage alcohol withdrawal symptoms.