Black Hole of Calcutta to regions of space-time resulting from the gravitational collapse of very heavy stars. He recalled hearing physicist Robert Dicke in the early 1960s compare such gravitationally collapsed objects to the infamous prison. Black Hole of Calcutta The Black Hole of Calcutta was a small prison or dungeon in Fort William where troops of Siraj ud-Daulah, the Nawab of Bengal, held British prisoners of war for three days on 20 June 1756. John Zephaniah Holwell, one of the British prisoners and an employee of the East India Company, said that, after the fall of Fort William, the surviving British soldiers, Anglo-Indian
Oblivion: The Black Hole Oblivion: The Black Hole Oblivion: The Black Hole is a steel roller coaster at Gardaland amusement park in Lake Garda, Italy. The ride is one of many Dive Coaster models to be manufactured by Swiss roller coaster manufacturer Bolliger & Mabillard. Since its opening, it became the first vertical drop roller coaster in Italy. The ride is considered the 'sister' to the iconic Oblivion roller coaster at the also Merlin owned Alton Towers. The ride also (maybe unintentionally) shares part of its name with The Black hole, a Jet star 2 rollercoaster that operated in the X sector section of