The periodic table of chemical elements, often called the periodic table, organizes all discovered chemical elements in rows (called periods) and columns (called groups) according to increasing atomic ...

Want to learn more about this centerpiece of chemistry? Take your pick from this collection of links about elements and the periodic table! Build an element ball, solve periodic puzzles, and check out ...

Can France claim the first periodic table? Probably not, but a French Geology Professor made a significant advance towards it, even though at the time few people were aware of it. Alexandre Béguyer de ...

Marchenko's seminal contributions to various domains, include: harmonic analysis and the theory of almost periodic functions ... the theory of partial differential equations, known also as soliton ...

In the previous chapter we have demonstrated that defects in the otherwise periodic photonic-crystal lattice can localize light. In this chapter we will show that if material of a photonic crystal is ...

1. Periodic Table as Arranged by Mendelejeff attention to the fact that “the eighth element, starting from a given one, is a kind of repetition of the first, like the eighth note of an octave in ...

Play this game to learn about lots of different elements in the periodic table. While you're watching, look out for where different elements are found in the periodic table. Mrs Roberts ...

If you would like to learn more about the IAEA’s work, sign up for our weekly updates containing our most important news, multimedia and more.

Remarkably, the researchers exploited the structural parity of the polymers to enable the emergence of in-gap soliton states, which spatially extend several nanometers along the longitudinal backbone.