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Is it possible to make a device that emits a noise at a specific angle so that it hits a surface only at a tiny point then echoes (basically a laser but with sound)?

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Is it possible to make a device that emits a noise at a specific angle so that it hits a surface only at a tiny point then echoes (basically a laser but with sound)?	1
If we completely disregarded ethics or morals, would biological experiments be much more effective?	1