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Cake day: September 5th, 2023

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  • Glocks have three separate safety devices, but they do not have a toggleable safety switch on the outside of the gun, commonly referred to as a “thumb safety”.

    You will not be able to make a Glock fire unless you put your finger in the trigger and pull it. They are 100% drop-safe, meaning even if you have the gun loaded and it falls off a table, etc., it will not fire a round (unlike guns in the movies).

    This makes Glocks a very appealing self-defense handgun. In a real self-defense shooting scenario, it is unlikely that you will have the time or dexterity to disengage the thumb safety before firing. Assuming you remember to do it at all.

    There’s something called the rule of threes in self defense shootings: most encounters happen at 3 yards, last 3 seconds, and 3 rounds are fired. If someone is sprinting at you from 9 feet away, the extra split second of fumbling around with the gun to turn the safety off could make a big difference. Concealed carry instructors will commonly tell students to submerge their hands in a bowl of ice water for a full minute, then attempt to handle their (unloaded) gun and operate the action and thumb safety. It’s nearly impossible. That’s the amount of dexterity you will have in an actual life threatening situation due to the sudden rush of adrenaline.

    When carrying a handgun for self defense, we use other factors to mitigate a negligent discharge. For example, your holster must completely cover the trigger when the gun is seated so it cannot be fired when holstered.

    I carry a Glock daily for self defense and have never had an issue with the lack of a thumb safety, because I follow the rules of gun safety very strictly.


  • There are several factors to consider when choosing materials in a nuclear plant. For things that aren’t in direct proximity to the reactor core, neutron activation (becoming radioactive) is less of a concern. Aluminum produces hydrogen gas when exposed to boric acid, which presents an explosion risk. Certain chemical compounds can cause corrosion to plant equipment, even a Sharpie marker could corrode a valve or pipe and cause issues over the 50 year life span of a plant.