Useful links
About infrared radiation: https://ro.wikipedia.org/wiki/Infraro%C8%99u
Applications in medicine: https://gabionescu.wordpress.com/2013/07/26/radiatii-infrarosii/
How to transfer the heat? http://www.scientia.ro/fizica/43-termodinamica/74-transfer-caldura.html
Notions about heat and temperature: http://www.fortasigratie.ro/realitati-contemporane/caldura-si-temperatura.htm
Electromagnetic field. Health effects: http://www.protectiamuncii.ro/ro/good_practice/campul-elecromagnetic.-efecte-asupra-sanatatii
