Lego Announces Mindstorms EV3, a More 'Hackable' Robotics Kit - IEEE Spectrum
LEGO 45509 EV3 Infrared Sensor – $34.99
Thermal Infrared Sensor for LEGO MINDSTORMS NXT
Lego Mindstorms EV3 Components: Infrared Sensor - Part 1
IR Temperature Sensor for EV3 or NXT - mindsensors.com
Amazon.com: LEGO MINDSTORMS EV3 Building Set Includes 3 Interactive Servo Motors, Remote Control, Improved And Redesigned Color Sensor, Redesigned Touch Sensor, Infrared Sensor And 550+ LEGO Technic Elements : Toys & Games