Microwave drill cuts concrete

OhGizmo says a device like this may be available at a local hardware store at some point in the future, but we're not throwing away our electric drill just yet.

Researchers at Tel Aviv University have reported developing a microwave drill that can cut through concrete. Instead of a traditional bit, the drill uses a needle-like antenna that emits the radiation and can be developed far less expensively than a laser.

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    Mike Yamamoto is an executive editor for CNET News.com.

     

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