שמע משותף

If you ever see a bullet spinning like a top on ice, never try to touch it, because when a bullet is fired from the gun barrel, adjust the right angle and hits a perfectly smooth surface. Its intense heat creates a microscopic layer of melted water. This liquid acts as a frictionless lubricant, allowing the bullet to maintain its massive rotation for several minutes, since it's still hundreds of degrees and spinning at thousands of RPMs. It's essentially a scalding hot circular saw that can easi