So far, in my research and conversations, I’ve uncovered a few different areas where Invisibility shows up.

INVISIBLE THINGS
Light
Sound
Words
Air
Breath
Beliefs
Thoughts
Feelings
Love
Pain
The Soul
The G-spot
Joy
Faith
God/Allah
Disease
PCB’s

INVISIBLE (HIDDEN) EVENTS
Government Genocides – Small Pox-contaminated blankets given to the native people of Victoria, resulting in 65% reduction of the indigenous population.
Mining Disasters

CONSPICUOUS INVISIBILITY (as described by Jean Ulrick Desert – a blindness/denial of?)
Racism
White Privilege
Gender inequality
Xenophobia

FEELING INVISIBLE (Feeling unseen, un-cared-for and ignored; and conversely, feeling too visible/different/noticeable, accompanied by a fear of drawing attention to oneself  that may be dangerous (Jews/Blacks/Trans) as well as the loneliness and pain of not belonging.
Marginalized populations
People of color
Child sexual assault victims

INVISIBLE TRUTHS & VIOLATIONS
Toxic waste
Environmental violations
Government-initiated genocides
Corporate greed and exploitation