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.
Emmanuel Macron: Franceâs political prince eyeing the ElysÃ©e. Dodging brickbats from left and right, the former adviser to President Hollande, now his economy minister, has launched his own movement that could see him president before he turns 40. Kim Willsher. Saturday 9 April 2016 19.02 EDT.