SIREN TEST 1, 2  …

SIREN TEST 1, 2 …

The world is no longer "a tabula rasa".  It is full of a busy life --- a life that, among other things, produces a new life but also carbon dioxide, heat, [...] Read more ›
History of Early Warning and Emergency Notification Systems

History of Early Warning and Emergency Notification Systems

Fires, floods, storms, tornadoes, and landslides – these are only a few examples of natural catastrophes man needs to be prepared for. In the ancient times, people felt unprotected, vulnerable, […]

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The Power of Nature

The Power of Nature

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 [...] Read more ›
Why Is It Important to Use Warning Systems?

Why Is It Important to Use Warning Systems?

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, [...] Read more ›
The Webinar on EWS in Case of Floods Was a Great Success

The Webinar on EWS in Case of Floods Was a Great Success

A webinar about the latest developments in flood early warning systems was held on Friday, 19 June. The Peruvian company of Enviroequip organized online presentation and invited the manufacturer of [...] Read more ›
Back-up Power Supply

Back-up Power Supply

Maintenance-Free Lead-Acid Gel Batteries in sirens serve as a primary source of power for amplifiers and, in case of a power failure from the mains or solar cells, batteries also serve [...] Read more ›
What are the Most Common Causes of Hydroelectric Power Plant Failures?

What are the Most Common Causes of Hydroelectric Power Plant Failures?

There have been hundreds of hydroelectric power plant accidents and dam failures in history, causing damage of a greater or lesser extent to people, property, and the environment. Only in [...] Read more ›
Accidents at Hydroelectric Power Stations

Accidents at Hydroelectric Power Stations

Hydroelectric power stations are built under strict safety standards and regulations; however, the world has still witnessed accidents in the past, causing substantial damage to the local environment. In the [...] Read more ›
The Largest Hydroelectric Plants in the World

The Largest Hydroelectric Plants in the World

There are thousands of hydroelectric power stations in the world. From small, capable of generating energy for a couple of houses or a village, to huge ones, providing electricity to [...] Read more ›
Testing Warning Systems in Cities

Testing Warning Systems in Cities

The purpose of mass public warning systems is undeniable. However, for sirens to perform their functions at the right time, they need to be tested, and in case of a [...] Read more ›

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