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  1. Chemistry Guy

    hacker defeats $1500 "smart gun" with $15 of magnets

    I am interested in the 'Smart' gun technology, but not for the purposes intended in the article. If the mechanism that disables the fire control were to be linked to a camera in the scope, and then immediately disabled once a targeting algorithm with some pattern recognition capability...
  2. Chemistry Guy

    Colored Polymer Frames - Weaker than Black?

    "Strength" isn't just based on a single characteristic. The fiber-polymer composites that firearm frames are made of are evaluated on a whole bunch of characteristics, including mechanical traits such as toughness, tensile and compressive strength, and rigidity, but also on more subtle...
  3. Chemistry Guy

    Gun "Super Owners"

    Some of these "super owners" may have more than a hundred(!) rounds of ammunition stockpiled as well.
  4. Chemistry Guy

    Youtube Presenters

    Larry Potterfield from MidwayUsa is fantastic. He reminds me of my dad. I can watch his videos all day.
  5. Chemistry Guy

    How long does a rifle bullet take to travel a mile?

    The calculus is not all that difficult for this problem, but there are a lot of assumptions that need to be clarified. Are you interested in the total distance the bullet travels, or in the arc connecting two points a mile away from each other? If you want to do a very simple approximation and...
  6. Chemistry Guy

    Help Me Understand So I Don't Be A Fudd

    I work at a university and I am surrounded by anti firearm ideology on a daily basis. I think the particular 'flavor' that I find most offensive is the snobbery. In the eyes of the academic 'elite', everyone who shoots guns is some kind of uncivilized uneducated redneck. Despite extraordinary...
  7. Chemistry Guy

    Help Me Understand FPE (And Why My Shoulder Doesn't Blow Off)

    This has already been covered, but I'll add a bit more. Because kinetic energy includes a velocity-squared term and momentum only contains a velocity to the first power term, the bullet will contain more kinetic energy than the recoiling body when momentum is conserved. The greater the ratio of...
  8. Chemistry Guy

    A magnificent example of why not to use "liberal" as an attack/insult

    I think some level of universal health care should be implemented in this country (albeit at the state rather than federal level) I support efforts to scale back the prison population and abolish the death penalty I am pro union in case of skilled trades I think that electric vehicles...
  9. Chemistry Guy

    Chicago Murder rates plummet

    As far as I am concerned, negligible statistical effect helps our cause. If the debate is framed as how much freedom are we willing to give up in order to have the "security" of less guns, and there is no statistical effect on security, why should we have a law that restricts our freedom for no...
  10. Chemistry Guy

    Gun Printing Just Got Serious

    Furthermore, firearms are not designed with 3D printing in mind. In the not so distant future I expect we will see functional firearms that have a different form factor than what we are used to but whose design is more conducive to this type of manufacture. In particular, the means to...
  11. Chemistry Guy

    Field and Stream Store opening up in Crescent Springs KY Nov 1

    I love Shooter's Supply in Loveland, Ohio. They have great prices and a decent selection, but they will order anything you want. Every gun I looked at was at least $100 less than at Targetworld.
  12. Chemistry Guy

    Anybody give their kid a gun name?

    I had a student a long time ago named Mosina. I thought her dad might have been a milsurp guy, but it turns out she was just Polish.
  13. Chemistry Guy

    How many guns will fire when dropped?

    A friend of mine was shooting his old Walther P38 when it jammed. He started trying to open it up to clear the jam and it fired right into the ground. It turns out a piece of the firing pin had broken off inside the chamber. He still doesn't know if it was a hang fire or if the magazine spring...
  14. Chemistry Guy

    Bill Goodwin Gun & Knife Show in Town

    I think you might be thinking of Bill Goodman. I go to the shows occasionally, and I have bought a few firearms there over the years. I usually go to the Sharonville location, so I don't know what the Dayton show is like. My problem is always the lines. Recently people have started lining...
  15. Chemistry Guy

    tough situation

    Thank you all for your input. I had a productive conversation with his wife this evening.
  16. Chemistry Guy

    tough situation

    I have a friend from high school (we are mid 30s now) that is a disabled marine (hearing damage). We have recently reconnected and started hanging out, and I have noticed that his XD 9mm never leaves his hip. It is concealed, but I, and presumably anyone that is looking, can tell. The...
  17. Chemistry Guy

    Are there any bad ARs out there?

    I have 2 ARs... one is a Colt that I use sparingly and the other is a Doublestar that I got from Bud's for $650 or so a few years back. I use the hell out of the Doublestar, shooting lots of Wolf ammo, doing mag dumps until the barrel is too hot to touch, getting dirt in the action, and...
  18. Chemistry Guy

    Do you have any need for a shotgun or is the carbine superior in your mind?

    I prefer the shotgun because that is what I am most comfortable with. I enjoy skeet, trap, and sporting clays, and I am very comfortable loading, unloading, pointing and shooting a shotgun. I don't have much experience shooting at moving targets with a carbine, and outside of a dedicated...
  19. Chemistry Guy

    What's the dumbest thing you ever did with a gun ?

    I have shot .22s many times without hearing protection and the noise didn't bother me. Not thinking about the effects of a confined space I fired a .22 revolver into some phone books while in my basement. My ears were ringing for days.
  20. Chemistry Guy

    Ar-15 as handy as a shotgun?

    I have ARs and AKs that are shorter and lighter than my 870, but I still would choose my 870 for HD. I simply have more confidence in my ability to point a shotgun with a bead sight quickly than to aim a rifle. With my AR I really rely on my eyes, rather than the feel, to predict where the...
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