Useful links and resources

some good resources I have come across -- rely on at your own discretion

Chemistry

Link Summary Tags
Chem1 Seems like a great website for learning and visualizing symmetry in various molecules inorganic, organic, physical, symmetry
Chem2 Character tables for chemically important point groups inorganic, organic, physical, symmetry
Chem3 Basics for various characterization methods in context of organic chemistry organic, analytical, characterization
Chem4 Spectral Database for Organic Compounds (NMR) organic, physical, characterization, database
     
     
     
     

Physics

Link Summary Tags
Phys1 The ultimate resource for physics??? mega resource, physics, optics, mechanics, e&m, thermo
Phys2 A database of the structures of a lot of photonic crystals photonics, symmetry, inorganic, optics, database
Phys3 Resources for learning about photonic crystals photonics, optics
     
     
     

Engineering

Link Summary Tags
Eng1 Large textbook like resource for fluid mechanics fluid mechanics, physics, engineering
     
     
     

Data science / ML

Link Summary Tags
Data1 A guide to picking kernels for gaussian processes gaussian processes, kernels, machine learning
Data2 Beautiful machine learning tutorials, extremely useful machine learning, deep learning, bayesian optimization, gaussian processes