Atomic Ionization Energy Videohttps://www.youtube.com/watch?v=8TJ2GlWSPxI
Hydrogen Spectrum and Ionization Energy Video https://www.youtube.com/watch?v=wiINTUZoAiw
Rutherford experiment https://www.youtube.com/watch?v=5pZj0u_XMbc
Mass spectrometer basic principle Video https://www.youtube.com/watch?v=sTi--ixdAME
Wavelength, energy and electromagnetic spectrum Introduction Video https://www.youtube.com/watch?v=m4t7gTmBK3g
Radioactive Iodine (Iodine-131) Treatment pros and cons https://www.youtube.com/watch?v=ZJAAq94PuPE
Intensity modulated radiation therapy (IMRT) https://www.youtube.com/watch?v=_moypMx05Fw