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.
How Emmanuel Macron's parents discovered their son was dating his 40-year-old teacher. New biography reveals shocked reaction to new President's illicit teenage affair with the woman who would become his wife. Monday 8 May 2017 14:29 BST.