The Bohr model, introduced by Danish physicist Niels Bohr in 1913, was a key step on the journey to understand atoms. Ancient Greek thinkers already believed that matter was composed of tiny basic ...

More than 400 years have already passed since human beings invented the microscope, a technique for observing the microscopic world. The exploration of microscopic world using microscopes has been the ...

THAT, as concluded by Prof. Nicholson (NATURE, February 5, p. 630) the atoms of lithium, beryllium, and boron cannot consist of 3, 4, 5 electrons rotating round a nucleus of 3e, 4e, 5e, respectively, ...

Registration for this event has closed. Please join the CSIS Project on Nuclear Issues (PONI) on Wednesday, November 20, 2024 at 9:30 am ET, for the launch of its report, Project Atom 2024. Attendance ...

Please join the Project on Nuclear Issues (PONI) to discuss the findings of PONI's forthcoming Project Atom report. At this public event, the project's authors and other senior experts will examine ...