If you're curious about the temperature of objects in your world, the ThermoHawk 200 Touchless Infrared Thermometer by Q3 Innovations can give you instant readings of the surface temperature of just about anything. About half the size of a ballpoint pen, it has a range of between -27°F and 230°F, and uses an infrared sensor to figure out how hot or how cold something is, quickly showing you its results on a monochrome LCD within one second.
We tested this instrument in a variety of circumstances, and although it's not a body temperature thermometer, we found it to be quite handy at measuring the temperature of various things like the inside of a freezer (4 degrees), a car engine (147 degrees), and the temperature of the water at the old fishing hole (52 degrees). We came to appreciate its ability to touchlessly measure things like boiling water, a substance that we don't want to get too close to, especially for the half a minute it would take to get an accurate reading using a conventional thermometer. It's a lot of fun to play with this device—along the lines of a laser pointer—but it's a pretty expensive impulse item at $59.95.
Product page [Q3 Innovations]
Review: ThermoHawk 200 Touchless Infrared Thermometer [Consumer Electronics Net]