The Science: (Reference Science )

Includes reference webpages and tools for general science or those that would apply to several different disciplines. Some examples would be lists of constants, measurement conversions, online calculators, formula tables, exact time, properties of materials, and technical standards. Reference Science.

References can take on many forms, including: a thought, a sensory perception that is audible ( onomatopoeia ), visual (text), olfactory, or tactile, emotional state, relationship with other, spacetime coordinate, symbolic or alpha-numeric, a physical object or an energy projection. (wikipedia)