Recent content by vaano7

ok i thought it would b easy but its deeper..seems like i have to research to make my own question clear..sorry n thanks for everythin :)

i get it my grammar is bad :D but my question is not answered...i want some matel that easily emits ir

the name says everything...but i want to know which metal is the besst to create infrared frequency and how far can it travel,bounce n come back with a detectable intensity? i know the 2nd question is stupid coz we r talking abt em wave they don't get absorbed in medium but they do get...