How Is Tungsten So Hard and Heat-Resistant?

Tungsten's boiling point is over 10,000 degrees Fahrenheit, and as tungsten carbide, it's one of the hardest materials we know. Learn how it's used for everything from armor-piercing bullets to electron microscopes to ballpoint pens in today's episode of BrainStuff, based on this article: https://science.howstuffworks.com/tungsten.htm See omnystudio.com/listener for privacy information.