Update: The Chase.com website is no longer down. No word on the cause of the outage. While there is still no word as to why Chase.com is currently down, patience among customers is running low.Customers have taken to Twitter and other social media platforms to express their displeasure with the site's malfunctions.o word on the cause of the outage. While there is still no word as to why Chase.com is currently down, patience among customers is running low. Customers have taken to Twitter and other social media platforms to express their displeasure with the site's malfunctions.
incident radiation Definition. Solar energy, both direct and diffuse, upon its arrival at the surface of a solar collector or other surface.
Radioactivity is the emission of radiation by unstable nuclei. That radiation may exist in the form of subatomic particles (primarily alpha and beta particles) or in the form of energy (primarily gamma rays). Radioactivity was discovered accidentally in 1896 by French physicist Henri Becquerel (1852â1908).