The California girl who invented a life-saving fire detector
Effective, fast and cheaper. These three are the main characteristics of the fire detector invented by a 12-year-old girl from ...
Effective, fast and cheaper. These three are the main characteristics of the fire detector invented by a 12-year-old girl from ...
Erlend Bore, a Norwegian citizen, bought a metal detector on "medical advice" and discovered gold jewelry from the 6th century, ...
Schools are given the opportunity to provide self-tests to children in groups 1 to 5 in 'specific situations', for example ...
The “Henry III golden penny” was made around 1257 (Credit: Pixabay) A man with his amateur metal detector found one ...