Infrared Box News Today

sunday night, so we woke up at greenfield on monday. >> so sunday night with the same family members, your brother, brooklyn, buster and -- >> thats right. >> and liz. >> liz and her mom and dad and -- >> then you went to sommerville with who? >> i believe i went to sommerville myself, but in the car by myself. i cant remember if buster rode together, i think we had separate cars. probably did ride together -- i dont know, i went to sommerville and buster was in sommerville with me, wi...

Paint a picture for us, is this a box, infrared box on the side of the tracks the train goes by? im trying to visualize how exactly this works, and im picturing a box with an infrared scanner that is reading the under carriage of the train. is that accurate? >> yeah, it actually points up, i will let our experts. >> thats essentially what it is. thats essentially what it is. in this case it was down on the ground pointing up. >> the train goes over the top of it. >> over the top of it. and some ...