Biggest problems in physics - MT
https://en.wikipedia.org/wiki/List_of_unsolved_problems_in_physics
just 10 big problems
2019 - what-the-3-biggest-physics-discoveries-of-the-decade-mean
When condensed-matter physics became king
https://quantumfrontiers.com/2013/10/23/the-10-biggest-breakthroughs-in-physics-over-the-past-25-years-according-to-us/
turbulence (the only deep problem remaining from classical physics!)
quantum measurement paradox
https://en.wikipedia.org/wiki/Dimensionless_physical_constant
- fine structure constant
hierarchy problem of interactions including gravity
including quantum gravity...
dark energy
dark matter
glass transition
low-T universal glass excitations - not recognized widely!!!
this problem is worth wider attention!
high-temperature supeconductivity
- Mott state in 3D