Experts are divided on whether modern lifestyle factors, like social media use and smaller family units, are leading to greater lonliness. Either way: What can we do about it? We explore in this episode of BrainStuff.
Sep 14
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 ... Show More
9m 20s