Both rubies and emeralds are minerals, which is a type of rock with a consistent chemical composition and a highly ordered ...

One feature of compounds made with transition metals is their intense colour. There are many examples in nature, including ...

The colors of rubies and emeralds are so striking that they define shades of red and green - ruby red and emerald green. But ...

For the past 150 years, researchers have had the benefit of the periodic table of elements upon which to ... Hamiltonian network," or MEHnet, sheds light on a number of electronic properties ...

The periodic table thus established remained until ... from the relative position of the first line in the X-ray spectra of an element. All elements emit under certain physical conditions ...

Some elements in the periodic table, such as carbon ... using high-intensity light in a process called photolithography. The result is called an integrated circuit. Many wafers contain multiple ...

Jean-Claude Bünzli sheds light on why europium — an element that is neither ... filling in gaps in Mendeleev's table by deciphering atomic optical spectra. Today this task seems rather easy ...

The periodic table of elements (often known simply as the periodic table) has been helping scientists with their work for a little over 150 years. The handy visual reference guide organizes known ...

Radiation within the visible spectrum can appear black if it is low in power – more specifically, lower in power than its surroundings. Additionally, radiation outside the visible range of wavelengths ...