This is a link to a webpage with physics tutorials and lessons:

http://www.physicsclassroom.com/

This is a link to a a webpage with physics related links:

http://www.physics.org/

This is a link to wolfram alpha, a scientific search engine:

http://www.wolframalpha.com/

This is a link to a paper on nuclear reactor and thermodynamic cycles:

https://netfiles.uiuc.edu/mragheb/www/NPRE%20402%20ME%20405%20Nuclear%20Power%20Engineering/Nuclear%20Reactors%20Concepts%20and%20Thermodynamic%20Cycles.pdf

This is a link to a website on superconductivity:

http://www.superconductorweek.com/

This is a video explaining superconducting magnetic levitation:

http://www.maniacworld.com/Superconducting-Magnetic-Levitation.html

This is the homepage of the cyclotron laboratory:

http://www.nscl.msu.edu/