The Bulgarian Academy of Sciences’ Institute of Solid State Physics is officially celebrating 50 years since the invention of the copper bromide vapor laser today. This laser is a Bulgarian invention, launched for the first time by Academician Nikola Sabotinov in 1974. It is a new and improved version of the copper atom laser and is the most powerful and highly effective gas laser in the visible spectrum. It has been patented in Bulgaria, the US, Great Britain, France, Germany, Japan and Australia.
A week of school competitions, part of the 15 th edition Bulgarian National English Spelling Bee has opened at the Academician Prof. Dr. Asen Zlatarov secondary school of natural sciences and mathematics in Botevgrad. More than 7,000 students..
In the mountains the weather is sunny and clear, conditions are suitable for tourism, the Bulgarian Red Cross’ mountain rescue service says, as quoted by the Bulgarian news agency BTA. During the past 24 hours there have been no incidents..
A drone detected in the area around Sofia Airport caused some landing delays last night, the Bulgarian news agency BTA reports, citing the airport press centre. No flights have been diverted but temporary changes were made to the schedule over..
In connection with the incident involving a drone intercepted in the vicinity of Sofia Airport last night, deputy Prime Minister and Minister of..
Citizens of Serbia gathered on February 9 for a 15-minute silent protest under the slogan “Sofia supports the students” in front of the Serbian embassy in..
The Bulgarian identity card won first place for best ID card in Europe for 2024 at the High Security Printing EMEA-2025 conference in Basel,..
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