Police use ultra whistle to train dogs for crime-fighting
German police deploy an amazing ultra-whistle device that emits sound waves over 40 000 vibrations per second. The inaudible signal to humans is designed to alert police dogs without alerting criminals, allegedly guiding tracking and pursuit efforts.
Volcano expert urges study of volcanology and power from earth
Dr. Immanuel Friedlaender, Naples Volcanological Institute founder, argues volcano research is not just theoretical. He cites past discoveries like Galvani and X rays, urges greater funding, and envisions tapping subterranean heat for power, potentially transforming energy and protecting life in volcanic regions.
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U S A Title Use Cleared by Berlin Court
Berlin courts ruled that graduates with Ph D from American universities may use the title in Prussia if they indicate foreign origin. A case where a graduate failed to obtain formal permission was decided in favor of allowing the title when the foreign origin is clearly stated.
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