(physics) electromagnetic radiation that can produce a visual sensation
any device serving as a source of illumination
of comparatively little physical weight or density
a particular perspective or aspect of a situation
make lighter or brighter
the quality of being luminous; emitting or reflecting light
work that you are obliged to perform for moral or legal reasons
the social force that binds you to the courses of action demanded by that force; every opportunity, an obligation; every possession, a duty"- John D.Rockefeller Jr
