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Radioactive isotope table "lists ALL radioactive nuclei with a half-life greater than 1000 years", incorporated in the list above. The NUBASE2020 evaluation of nuclear physics properties F.G. Kondev et al. 2021 Chinese Phys. C 45 030001. The PDF of this article lists the half-lives of all known radioactives nuclides.
Half-Life 2 was selected by readers of The Guardian as the best game of the decade, with particular praise for the environment design. The Guardian journalist Keith Stuart wrote that it "pushed the envelope for the genre, and set a new high watermark for FPS narrative". [72] Half-Life 2 won Crispy Gamer's Game of the Decade [73] tournament ...
[5] [6] It is an isotopomer of lutetium(III) chloride containing the radioactive isotope 177 Lu, which undergoes beta decay with a half-life of 6.64 days. [ 8 ] Medical uses
Valve's first game was Half-Life, a first-person shooter released in 1998. [2] It sold over nine million retail copies. [3] [4] Alongside Half-Life ' s launch, Valve released development tools to enable the player community to create content and mods. [5] The company then proceeded to hire the creators of popular mods such as Counter-Strike. [1]
The Hidden is a multiplayer total conversion mod for the popular Half-Life 2 computer game. The gameplay revolves around the retrieval of an escaped research subject where the subject is highly agile, incredibly strong, and nearly invisible. The first beta version was released on June 13, 2005 and its latest release was September 8, 2007.
The "delay" in the neutron emission is due to the delay in beta decay (which is slower since controlled by the weak force), since neutron emission, like gamma emission, is controlled by the strong nuclear force and thus either happens at fission, or nearly simultaneously with the beta decay, immediately after it. The various half lives of these ...
In December 2008, Valve announced that the two main Half-Life games had sold 15.8 million units in retail (9.3m for the first, 6.5m for the second), while the Half-Life expansions [85] had sold 1.9 million (Opposing Force: 1.1 million, Blue Shift: 800,000) and Half-Life 2 expansions 1.4 million units (all for Episode One) by the end of November ...
All of the remaining radioactive isotopes have half-lives that are less than 9 days, and the majority of these have half-lives that are less than half an hour. This element also has 18 meta states , with the most stable being 177m Lu (t 1/2 160.4 days), 174m Lu (t 1/2 142 days) and 178m Lu (t 1/2 23.1 minutes).