1. The time taken for the radioactivity of a specified isotope to fall to half its original value. the time required for any specified property (e.g. the concentration of a substance in the body) to decrease by half.
2. One of the best video games you could ever play along with Portal.
2. One of the best video games you could ever play along with Portal.
Scenario1: "Iodine-131 has a Half-life of 8.1 days"
Scenario2: I love Half-life, the story and gameplay is just mind blowing!
Scenario2: I love Half-life, the story and gameplay is just mind blowing!
by Zach T. Radass December 19, 2022
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The time it takes for the bar model method, the heart and soul of Singapore math, to become a common feature in most math curriculums around the world, which implicitly means that it no longer holds the competitive edge over other developed nations in math education.
With pirates from both developing and developed countries leveraging on AI, the half-life of Singapore math is getting exponentially shorter, and the “fine” city of Singapore risks being innovated away if local math educators don’t act now.
by Numerati January 8, 2025
Get the The Half-Life of Singapore Math mug.is overrated game that tried to be hollywood blockbuster but turned out mediocre and boring FPS with barely any reedemable features. The only person who likes this game is Gabe Newell and Nobody.
Half Life is only remembered due to Half Life 3 meme since the game has never reached an actual ending and ended on half Life 2 episode 2 dlc.
However, Half Life itself is a boring name for the title because it is some Physics terminology that will make you go to sleep. Thankfully, Lives only have two halves.
Half Life is only remembered due to Half Life 3 meme since the game has never reached an actual ending and ended on half Life 2 episode 2 dlc.
However, Half Life itself is a boring name for the title because it is some Physics terminology that will make you go to sleep. Thankfully, Lives only have two halves.
Person 1: Hey I hope they will make a sequel to half life 2.
Person 2: But it already exists, it's called garry's mod and its better anyways.
Person 1: oh right
Person 2: But it already exists, it's called garry's mod and its better anyways.
Person 1: oh right
by Andrew Whiteingale W w00t October 21, 2025
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