One recent weapon is what frog-busters are calling a "hot shower chamber, " a modified freight container used by nurseries to ship plants, with multiple heads that spray heated water onto the plants and kill any coquis that might be lurking there.

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The result is a self-confining ellipsoid of hot gases, roiling and fusing within a reaction chamber.

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We get a basically homogeneous signal density in our chamber - in other words, we don't get the hot and cold spots you get in your home microwave.

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