Man interested by books and knowledge
Joined August 2020
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Sergey retweeted
A split-second reaction can mean the difference between life and death. This footage captures the brutal reality and unpredictability of modern combat.
Sergey retweeted
This isn’t Call of Duty. There’s no respawn button in real war. 💔
Helmet-cam footage from the Russia–Ukraine war shows the terrifying reality of close-quarters combat.
In games, you can respawn. On the battlefield, one second can cost a life forever.
War isn’t entertainment. Real lives are at stake.
Sergey retweeted
Mexican Student invented a portable acoustic fire extinguisher and won a gold medal in Indonesia
Readers added context they thought people might want to know
The Mexican student Ángela Karime Hernández Venegas developed a prototype and won gold at the 2026 ISIF student science fair in Indonesia. The idea of acoustic fire suppression was previously demonstrated by George Mason University students in 2015.
milenio.com/ciencia-y-salu…
edition.cnn.com/2015/03/27/us/…
