Four years after he collapsed during training camp, the Vikings are exploring the use of a "radio pill" that would allow trainers to monitor players' body temperatures while they practice.
A base CorTemp system consists of temperature pills and generally two or three data recorders, priced at $2,500 apiece. The data recorders allow a trainer to read a player's temperature with each recorder accepting up to 99 sensors.
[Via J-walkblog]