toIPA
Home
Blog
Category
Open problem
known problem which is assumed to have an objective and verifiable solution, but which has not yet been solved
unsolved crime
black hole information paradox
Great Rationality Debate
terraforming
gravitational interaction of antimatter
hard problem of consciousness
conjecture
sums of three cubes
equivalence
mechanism of sonoluminescence
medically unexplained physical symptom
proton spin crisis
Showing
0
to
12
of
12
Items
Prev
Next