Clubs and amusement parks use special black light paint that glows different colors. You can also buy fluorescent black light bubbles, invisible black light ink, fluorescent black light carpet and even fluorescent black light hair gel. Ordinary highlighters work well as black light pens..
The definition of a nutrient is something that provides nourishment, food or substances necessary for growth. Protein is an example of a nutrient.
Nutrition is nourishment or energy that is obtained from food consumed or the process of consuming the proper amount of nourishment and energy. 1  An example of nutrition is the nutrients found in fruits and vegetables. 2  An example of nutrition is eating a healthy diet.