Infrared - Wikipedia Infrared (IR; sometimes called infrared light) is electromagnetic radiation (EMR) with wavelengths longer than that of visible light but shorter than microwaves The infrared spectral band begins with the waves that are just longer than those of red light (the longest waves in the visible spectrum), so IR is invisible to the human eye
. ir - ویکیپدیا، دانشنامهٔ آزاد ir پسوند دامنه اینترنتی کشور ایران است مسئول ثبت دامنههای با این پسوند پژوهشگاه دانشهای بنیادی (مرکز تحقیقات فیزیک نظری و ریاضیات سابق) واقع در تهران است [۱] طبق گزارش وبگاه این مرکز، تا دی ۱۴۰۲ بیش از ۱٬۶۲۰٬۰۰۰
What does IR stand for? - Abbreviations. com Looking for the definition of IR? Find out what is the full meaning of IR on Abbreviations com! 'Infrared' is one option -- get in to view more @ The Web's largest and most authoritative acronyms and abbreviations resource
IR - What does IR stand for? The Free Dictionary Looking for online definition of IR or what IR stands for? IR is listed in the World's most authoritative dictionary of abbreviations and acronyms