Typically, lower-energy radiation, such as radio waves, is expressed as frequency; microwaves, infrared, visible and UV light are usually expressed as wavelength; and higher-energy radiation, such as X-rays and gamma rays, is expressed in terms of energy per photon.
Emmanuel Macron. Emmanuel Macron (French: [emanÉ¥Él makÊÉÌ]; born 21 December 1977) is a French politician, senior civil servant, and former investment banker. Born in Amiens, he studied Philosophy at Paris Nanterre University, and later graduated from the Ãcole nationale d'administration (ENA) in 2004.
A macron (/ËmaekrÉn, ËmÃ¦krÉn-/) ËmeÉª is a diacritical, mark a straight (Â¯) bar placed above a, letter usually a. Vowel its name derives from The greek (makron) makrÃ³n Î¼Î±ÎºÏÏÎ½ meaning long and was originally used to mark long or heavy Syllables-In greco. Roman metrics it now more often marks a. long vowel