An official website of the United States government
Here’s how you know
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
The creation of a new material has long been either an accident or a matter of trial and error. Steel, for instance, was developed over hundreds of years by people who didn’t know why what they were
I was always fascinated with science. However, I steered away from pursuing science beyond high school because there was too much math involved (and “MATH,” a four-letter word if ever I saw one, and I
As I peer into the cardboard box NIST researcher Amanda Forster holds out for me, I can’t help thinking that this mild-mannered materials scientist has an impressive collection of shivs. The handmade
Legwarmers, preppies, yuppies, Molly Ringwald, nuclear paranoia … the 1980s were my favorite decade. I was in junior high school in New Jersey when I saw The Day After, a 1983 TV movie that depicted a
Although they are mass produced, every firearm is unique, and when fired, they leave unique markings called toolmarks on the bullet and cartridge casing. Law enforcement agencies have used these