Survival of the fittest. The Darwinian law that makes history and has always been right in various meanings. For humans, animals and basically for everything living. However, humanity shifts this [...]
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In the past, before modern communications, church bells were used to call the community together for all purposes, both sacred and secular. They rang in churches for a variety of [...]
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Extreme natural phenomena have always threatened humanity. Today, despite having numerous ways to respond to them, the frequency of disasters is dramatically increasing due to climate change. The number of [...]
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Climate change has recently caused an increased incidence and intensity of earthquakes, floods, or hurricanes. Warning systems, which lost their original form of only a few interconnected sirens long ago, [...]
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Ports are places of intense human activity and cargo transport. The busiest Europe's seaport, Rotterdam, handles more than 12 million containers a year (the so-called TEUs, twenty-foot equivalent units ). [...]
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There is no doubt that electronic sirens are useful for more than a single purpose. Besides emergency warning, they find their applications in many other places such as large industrial [...]
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Safety precautions are a core component of increased security awareness. Industries are increasingly starting to perceive it as an essential part of their business existence. Modern siren PA systems have [...]
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Sirens in towns are usually perceived by ordinary people only during their tests at the beginning of each month. In fact, alarm systems consisting of sirens (whether modern electric and [...]
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It is the national government that fulfils the mass public warning function in emergencies in the Slovak Republic, using the national early warning and notification system SEHIS, which contains a network of [...]
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Water dams perform several vital functions. They generate electricity (roughly one-fifth of all energy in the world) and allow for water flow to be regulated for the purpose of irrigation [...]
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