Please tell me about some topics for seminar for m.sc .physics and suggests that topics which I explain with lots of examples from nature .

mass spectrometry
Can solar wind energy be the earth?
Dimension spectroscopy
Enclosed quantum charging pumping
Interferometry
Superconducting Nanovir Detectors
Linear quantum system
Single photon input field
Superconducting artificial atom
Ferroelectricity by Strong Substate Disaster
quantum mechanics
Spectroscopic and electronic properties of quantum dots
Organic Areline Optical Materials
High resolution imaging monochrometers
New Spectroscopy Tool as Acousto-Optic Devices
Nanoscale material for energy applications
Electron tomography
Organic semi-one-dimensional metals superconductors
The practical use of carbon nanotubes
Single molecule transistor