Zinc-air battery powers breakthrough in green hydrogen production
Researchers at KAIST in South Korea developed a new hydrogen production system that uses a zinc-air battery to power the process, reducing fire risks. Currently, green hydrogen produced via water electrolysis with renewable energy has efficiency issues due to fluctuations in sources like solar and wind. Air batteries can be used instead but require expensive […]
This Skeleton Is The First Person Ever Found From a Norse Saga
– Scientists have analyzed the bones of a man found in a well at Sverresborg Castle in Norway from 1938. – This fits with a passage from the 800-year-old Norse saga Sverris Saga, which describes invaders throwing a dead body into the castle well. – DNA analysis found the bones belong to a man aged […]