76 Results for "firearms"

Judge blocks 3-D printed gun files from going online

—Judge blocks 3-D printed gun files from going online “States sued over fears of untraceable plastic guns” A federal judge in Washington state has issued a restraining order that will prevent Defense Distributed from sharing design files for firearms online. The second amendment advocacy organization had planned to make the blueprints, which instruct three-dimensional printers to make firearm parts out of polymers, available today. 3-D printed firearms are the subject of much dispute over their legality, public impact, and technical feasibility.

by Alexander H. Tullo | August 01, 2018

Smoking Guns

“We consider firearm discharge to be a complicated chemical reaction,” Lednev says. “The gunshot residue composition should depend on the initial chemical composition, meaning the propellant, but it should also depend on the conditions of the reaction, meaning the caliber and type of firearm.” So far, Lednev has been able to distinguish between two combinations of ammunition and firearm.

by Celia Henry Arnaud | May 21, 2012

Peter C. Buscemi Sr.

., 88, a chemist retired from the Bureau of Alcohol, Tobacco & Firearms, died in Fairfax, Va., on March 5. Born in Enfield, Conn., Buscemi served in the Navy as a radio technician during World War II. He earned a bachelor’s degree in chemistry from Union College in Schenectady, N.Y., in 1950. At the start of his career, Buscemi worked as a chemist for Texas Gulf Sulphur and Hercules. In the early 1970s, he moved to Annandale, Va., and began a 30-year career as a chemist with the Bureau of Alcohol, Tobacco & Firearms (now the Bureau of Alcohol, Tobacco, Firearms & Explosives). Buscemi was a 65-year, emeritus member of ACS and a former member of the American Society of Brewing Chemists.

by Susan J. Ainsworth | May 18, 2015

Making Everything In The Desktop 3-D Workshop

—Making Everything In The Desktop 3-D Workshop “Tinkerers show their 3-D printers can make almost anything—what worries people is that some have made firearms” When Defense Distributed tested a functional pistol it fabricated out of plastics with a three-dimensional printer and published the blueprints online last spring, the self-described anarchist group earned swift condemnation from critics who worried that easily accessible, unregulated, and undetectable firearms would make the problem of gun violence even worse.

by Alexander H. Tullo | September 30, 2013

Former UC Davis Chemist Ordered To Pay Restitution For 2013 Apartment Explosion

Choose One: EPA Or ATF?

Why not assign them to the Bureau of Alcohol, Tobacco, Firearms & Explosives? Emil M. Friedman Waterbury, Conn. /articles/92/i20/Choose-One-EPA-ATF.html 20140519 92 20 /magazine/92/09220.html Choose One: EPA Or ATF? letters environment Choose One: EPA Or ATF? Chemical & Engineering News Choose One: EPA Or ATF?

May 19, 2014