It’s a well-known fact that metal causes two major problems for radio frequency identification transponders: It can reflect energy away from a tag, and it can detune a tag antenna, preventing it from ...

Dog ID tags can be a stylish accessory for your ... fading away or getting smeared,” Prichard says. The downside of metal tags is they tend to be noisy, jingling as your pet moves around.

From metal-stamped tags to cute paper cutouts, there’s a DIY project for just about any level of crafter. Whether you have a boy or a girl, a lab or a mini poodle, one of these cute tags will ...

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Identification tags for soldiers have been widely used for ... It used to be another metal disk, but last year brought a remarkable improvement. The Minneapolis license is now plastic, thicker ...

A few years ago, MIT researchers invented a cryptographic ID tag that is several ... They mix microscopic metal particles into the glue that sticks the tag to an object, and then use terahertz ...

In recent years, some Americans visiting Vietnam have returned with "dog tags", metal identification tags worn by U.S. soldiers. They are hoping to give these tags to the families of the ...