Scientists from Irkutsk University have created a device that emits flames and a loud sound to scare away wild animals without harming them. It will be useful in expeditions, hiking trips, and places where wild animals can be encountered.
The device allows creating directed bursts of flame and loud sound, scaring away predators at a safe distance. It is based on a container with combustible gas, a chamber for accumulation, and a piezoelectric element that creates a spark to ignite the mixture. A resonator built into the bell enhances the sound effect.
Unlike conventional methods, such as using aerosol cans with gas or ultrasonic devices, the new device does not require precise aiming. It is effective at a distance of up to three meters and does not pose a threat to others.
The fire-sound effect causes an instinctive reaction in animals - to run away, and does not harm them. The main advantage of this invention is the possibility of repeated and long-term use in the desired direction without the need for frequent recharging.
Earlier, specialists from Perm Polytechnic and the Agrarian Technological University developed a geoecological method for creating complex mineral supplements. These supplements are intended for wild animals - they will provide their bodies with useful elements.
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