** Nine of his centuries are double centuries ( surpassed only by Donald Bradman )

** – double acute accent

** – double grave accent

** – double breve

** – double circumflex

** – double macron

** – double tilde

In programming languages such as Ada, Fortran, Perl, Python and Ruby, a double asterisk is used, so is written as " x ** 2 ".

** A Lowland Scots tradition strongly influenced by baroque violin technique with staccato and Scotch snap bowing techniques in addition to the use of double stops.

** A Scottish Borders tradition with a repertoire heavy in hornpipes and with heavy use of double stops.

** Sliabh Luachra fiddling from the southwest in Munster, characterized by a unique repertoire of polkas and slides, as well as the use of double stops and drones as well as playing the melody in two octaves as in Donegal.

** Standard gauge: 7, 394 km gauge ( 2, 270 km electrified ; 1, 236 km double track )

** A variable for a 2-dimensional region in calculus, usually corresponding to the domain of a double integral.

** Strings delimited by single or double quotation marks.

** Triple-quoted strings, which begin and end with a series of three single or double quotation marks.

** Punt and Dennis, a comedy double act consisting of Steve Punt and Hugh Dennis

A space X can be embedded into the double dual X ** by

** Boris Morros, American movie producer and FBI double agent ( b. 1891 )

** Arsenal FC beats Liverpool FC 2-1 to win the English FA Cup thus completing the league and cup ' double '.

** The Bangladeshi double decked ferry Shamia capsizes in the Meghna River, southern Barisal, Bangladesh, killing at least 600.

** A double suicide bombing at a Moscow rock concert kills the attackers and 15 other people.

** Propellant: Minimum smoke cross linked double based ( XLDB )

** double action, producing sound in both bellows directions ;

* In the Ada, Fortran, Perl, Python, Ruby programming languages, in some dialects of the Pascal programming language, and many others, a double asterisk is used to signify exponentiation: 5 ** 3 is 5 * 5 * 5 or 125.

** The breech refers to the mass of solid metal behind the bottom of the bore extending to the base of the breech and including the base ring ; it also generally refers to the end of the cannon opposite the muzzle, i. e., the location where the explosion of the gunpowder begins as opposed to the opening through which the pressurized gas escapes.

** At a mail rockets demonstration by Gerhard Zucker on Hasselkopf Mountain near Braunlage ( Lower Saxonia, Germany ), 3 persons are killed by a rocket explosion.

** Space: 1999 ( 1975 – 1977 ): A huge explosion sends the Moon hurtling out of Earth's orbit on September 13 ( a Friday in the series, but not in reality ).

** Halifax Explosion: Two freighters collide in Halifax Harbour at Halifax, Nova Scotia and cause a huge explosion that kills at least 1, 963 people, injures 9, 000 and destroys part of the city ( until the Trinity nuclear test, the biggest manmade explosion in recorded history ).

** A coal gas explosion at the giant Bishop coal mine in Bishop, Virginia kills 37 men.

** An explosion aboard the USS Enterprise near Hawaii kills 27 and injures 314.

** The worst coal dust explosion to date, in Honkeiko, China, claims 1, 549 lives.

** An explosion in Shaoyang, China kills 122 and injures over 400 when 10 tons of dynamite in an illegal explosives warehouse underneath an apartment building detonate.

** An explosion in a São Paulo suburban shopping centre kills 44 and injures more than 100.

** An explosion in a firecrackers factory in Sichuan Province, China kills at least 36 people and injures another 52.

** A bomb explosion in Kaspiysk, Russia, kills 32 people.

** A propane explosion at the Humberto Vidal shoe store and office building in San Juan, Puerto Rico kills 33.

** Miike Coal Mine explosion: In Japan, a coal mine explosion kills 458 and sends 839 carbon monoxide poisoning victims to the hospital.

** A coal mine explosion in West Virginia kills 50 miners.

** An explosion in an ammunition factory in Lapua, Finland kills 40.

** An explosion in Seveso, Italy, causes extended pollution to a large area in the neighborhood of Milano, with many evacuations and a large number of people affected by the toxic cloud.

** Mother Frances Hospital opens in Tyler, Texas in response to the New London School explosion.

** In Sriperumbudur, India, former Prime Minister Rajiv Gandhi is assassinated at a public meeting in Sriperumbudur, by suicide bomber Thenmozhi Rajaratnam ; many others are killed in the explosion.

** A huge gas explosion at a subway construction site in Osaka, Japan kills 79 and injures over 400.

** The Clarkston explosion in Scotland kills 22 people.

** An explosion and fire aboard the U. S. Navy aircraft carrier USS Forrestal in the Gulf of Tonkin leaves 134 dead.

** A coal mine explosion in Fukuoka, Japan kills 237.