Corona discharge with a discharge current of a few hundred microamperes can blow out a small candle flame within about 1 cm of a discharge point. A pinwheel, with radial metal spokes and pointed tips bent to point along the circumference of a circle, can be made to rotate if energized by a corona discharge; the rotation is due to differential electric attraction between the metal spokes and the space charge shield region that surrounds the tips. Corona discharge A corona discharge is an electrical discharge brought on by the ionization of a fluid such as air surrounding a conductor that is
Broken Crown Halo Broken Crown Halo Broken Crown Halo is the seventh studio album by Italian gothic metal band Lacuna Coil. It was released through Century Media Records on March 31, 2014 in Europe, Australia and New Zealand, and on April 1 in North America. This is the last album to feature drummer Cristiano "Criz" Mozzati and guitarists Marco "Maus" Biazzi and Cristiano "Pizza" Migliore, who retired from the band on Valentine's Day, February 14, 2014, marking the end of the band's longest-standing line-up. On February 8, 2014, a second track from the album titled "Die & Rise" was added to the Amazon