what are the developments of physics?

Answer 1

There appears to be theory replacements.in 21st century physics.
The strings and superstring theories
The Quantum aether Dynamics which will replace quantum mechanics theory
The Relativity theory of Auto dynamics which will rePlace Einstein Theories.
An Inverse Evolution Theory which will replace Darwin's theories and Philosophy of living things

Creation Theories(to bring us explanation on formation of masses)
An Inteligent design Science which would help medial science understand disease.

Quantron theory which would explain energy theories
Spheron Theory of the universe which would explain the substance of space and the Curvature of its fields in Space.

Development of the zero point Energy source .

Solar energy to make Electricity.

Break down radioactive matereial to make them stable substance.( it has been done)

Answer 2

the century of physics is over
the century of biology has begun