Strength-in-numbers X-ray technique can map previously unattainable atomic structures

For many decades, the method to obtain atomic-level descriptions of chemical compounds and materials—be it a drug, a catalyst ...

Framework sets new benchmarks for 3D atom maps in amorphous materials

Researchers at the California NanoSystems Institute at UCLA published a step-by-step framework for determining the ...
BBC

Atomic number and mass number

For example, the atomic number of sodium is 11. Every sodium atom has 11 protons and 11 electrons. It has 11 positive charges and 11 negative charges. The mass number of an atom is its total number of ...
Science Daily

A strange in-between state of matter is finally observed

When materials become just one atom thick, melting no longer follows the familiar rules. Instead of jumping straight from solid to liquid, an unusual in-between state emerges, where atomic positions ...
Nature

Crystal structure prediction from first principles

Twenty years ago John Maddox published a celebrated News and Views article in Nature 1 in which he provocatively wrote: “One of the continuing scandals in the physical sciences is that it remains ...
iaea.org

Isotope Hydrology Section

This Section implements all activities of the IAEA's Water Resources Programme, which promotes and transfers know-how on the use of isotope hydrology as an effective tool for water resources ...
Cfr.org

The Islamic Republic’s Power Centers

Iran’s system of government is not quite a democracy, nor a theocracy. Founding Supreme Leader Ruhollah Khomeini developed its animating doctrine, known as guardianship of the jurist, in the years ...