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20:21Trump waives key Russia sanctions days before they take effect·19:01Warsaw scientists reveal why charging your phone to 100% damages the battery·17:45Poland scraps environmental rule to let more cities charge tourist accommodation fees·16:41Seriously ill Briton faces deportation from Sweden over residency application error·14:01Zelensky warns over 20 million Ukrainians could flee to EU if Russia wins war·12:50Polish cinema and culture celebrated in Beverly Hills at Helena Modjeska Festival·11:20Polish defender Bright Ede suffers injury blow after breakthrough at Deportivo·10:10Poland to switch to winter time this weekend as clocks go back an hour·08:11Man jailed for Russia-linked arson attacks on Starmer properties deported·06:02Poland’s oldest teacher still working at 90 as education workforce ages·20:21Trump waives key Russia sanctions days before they take effect·19:01Warsaw scientists reveal why charging your phone to 100% damages the battery·17:45Poland scraps environmental rule to let more cities charge tourist accommodation fees·16:41Seriously ill Briton faces deportation from Sweden over residency application error·14:01Zelensky warns over 20 million Ukrainians could flee to EU if Russia wins war·12:50Polish cinema and culture celebrated in Beverly Hills at Helena Modjeska Festival·11:20Polish defender Bright Ede suffers injury blow after breakthrough at Deportivo·10:10Poland to switch to winter time this weekend as clocks go back an hour·08:11Man jailed for Russia-linked arson attacks on Starmer properties deported·06:02Poland’s oldest teacher still working at 90 as education workforce ages·

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#Warsaw University

Technology SMARTPHONE BATTERY 1 HR AGO

Warsaw scientists reveal why charging your phone to 100% damages the battery

Polish researchers used electron microscopes and X-rays to observe cracks forming inside battery material during deep charging cycles.

Redakcja Polish News

5 min read

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