Japanese intelligence about American productive potential was about as limited as German knowledge of the Soviet Union. In Tokyoâs view, if Japanese naval forces took out the American Pacific carriers at Pearl Harbor, there was simply no way for America, at least in the immediate future, to contradict any of their Pacific agendas.
Ultraviolet (UV) is an electromagnetic radiation with a wavelength from 10 nm (30 PHz) to 400 nm (750 THz), shorter than that of visible light but longer than X-rays. UV radiation constitutes about 10% of the total light output of the Sun, and is thus present in sunlight.
What is UV? Ultraviolet (UV) radiation is a type of energy produced by the sun and some artificial sources, such as solariums. The sunâs ultraviolet (UV) radiation is the main cause of skin cancer. UV damage also causes sunburn, tanning, premature ageing and eye damage. UV radiation isnât like the sunâs light or heat, which we can see and feel. Your senses cannot detect UV radiation, so you wonât notice the damage until it has been done. The UV Index