Crossword Clue:

near infrared

AnswerCrossword Clue
HEATLAMPInfrared device
BLACKLIGHTInfrared beam
RAYSInfrared and gamma
THERMALIMAGINGOne use of infrared radiation
LASERTAGTeam game with infrared-sensitive targets
POLARBEARSAnimals that are nearly invisible to infrared detectors
ETA... Carinae (the brightest infrared object in the night sky)