In Sensors' weblog, Today at Sensors, Executive Editor Stephanie Henkel has been calling for implementation of sensor technology in mining operations to address needless loss of life (www.sensorsmag.com/tas/2006-02-22). Thankfully, U.S. safety regulators are testing wireless systems that can be used to locate and communicate with trapped miners. An article at PhysOrg.com gives details: http://tinyurl.com/lqa2t