WebAmericium-241 (241 Am, Am-241) is an isotope of americium.Like all isotopes of americium, it is radioactive, with a half-life of 432.2 years. 241 Am is the most common isotope of americium as well as the most prevalent isotope of americium in nuclear waste.It is commonly found in ionization type smoke detectors and is a potential fuel for long-lifetime …

WebState Route 241 (SR 241) is a state highway in Orange County, California that is a toll road for its entire length. Its southern half from near Las Flores to near Irvine is the Foothill Transportation Corridor, while its northern half to SR 91 on the Anaheim–Yorba Linda border forms part of the Eastern Transportation Corridor system with SR 133 and SR 261.

WebAmericium-241 is an alpha emitter with a half-life of 432.6 years. Alpha particle radiation, as opposed to beta (electron) and gamma (electromagnetic) radiation, is used for two reasons: the alpha particles can ionize enough air to make a detectable current; and they have low penetrative power, meaning they will be stopped, safely, by the air ...

WebCryptanalysis (from the Greek kryptós, "hidden", and analýein, "to analyze") refers to the process of analyzing information systems in order to understand hidden aspects of the systems. Cryptanalysis is used to breach cryptographic security systems and gain access to the contents of encrypted messages, even if the cryptographic key is unknown.. In …

WebMalacañang Palace (Filipino: Palasyo ng Malakanyang, locally [paˈlɐ̞ʃo näŋ maläkɐˈɲäŋ]; Spanish: Palacio de Malacañán), officially known as Malacañan Palace, is the official residence and principal workplace of the president of the Philippines.It is located in the Manila district of San Miguel, and is commonly associated with Mendiola Street.

WebEarly on a Sunday morning, October 23, 1983, two truck bombs struck buildings in Beirut, Lebanon, housing American and French service members of the Multinational Force in Lebanon (MNF), a military peacekeeping operation during the Lebanese Civil War.The attack killed 307 people: 241 U.S. and 58 French military personnel, six civilians, and two …

WebSecularism is the principle of seeking to conduct human affairs based on secular, naturalistic considerations.. Secularism is most commonly defined as the separation of religion from civic affairs and the state, and may be broadened to a similar position seeking to remove or to minimize the role of religion in any public sphere. The term "secularism" …

WebNelson Rolihlahla Mandela (/ m æ n ˈ d ɛ l ə /; Xhosa: [xolíɬaɬa mandɛ̂ːla]; 18 July 1918 – 5 December 2013) was a South African anti-apartheid activist who served as the first president of South Africa from 1994 to 1999. He was the country's first black head of state and the first elected in a fully representative democratic election. His government focused on …

WebEl americio fue aislado por primera vez por Glenn T. Seaborg, Leon O. Morgan, Ralph A. James, y Albert Ghiorso en 1944 en el Laboratorio de Metalurgia de la Universidad de Chicago.El equipo creó el isótopo 241 Am a partir de 239 Pu, bombardeándolo con neutrones en un reactor nuclear.Esto se transformó en 240 Pu y después en 241 Pu, …

WebA dagger, obelisk, or obelus † is a typographical mark that usually indicates a footnote if an asterisk has already been used. The symbol is also used to indicate death (of people) or extinction (of species). It is one of the modern descendants of the obelus, a mark used historically by scholars as a critical or highlighting indicator in manuscripts.. (The term …