It can be tempting to poke a thermometer into food and leave it inside as it cooks, so you can open the oven and see the temp at a glance. But is it safe?

Lightpipe radiation thermometers (LPRTs) have been successfully calibrated at NIST for rapid thermal processing (RTP) applications using a sodium heat-pipe blackbody (Na-HPBB) between 700/spl deg/C ...