Traditionally, bullets become ineffective when underwater. However, U.S special forces may soon be able to shoot their weapons while submerged. These new bullets work by forming a bubble of air around a bullet, which allows the bullet to travel with less physical restrictions.
Ordinary bullets are designed to travel through the air at speeds greater than half a mile per second. Traveling through a different medium, well, that’s a different story. Bullets rapidly slow to a stop once they enter another medium—that’s a feature, not a flaw.
But what happens if bullets must travel through a medium other than air before striking their target? Water, for example, is 800 percent denser than air. Bullets quickly lose velocity, slowed by friction as they pass through the medium…
The CAV-X Supercavitating Ammunition is classified by the company as a “Multi-Environment Ammunition.” The company says “this projectile is effective against submerged targets and targets in the air. Depending on the weapon and the used loading variant, this ammunition is suitable for use in partial or fully submerged weapons, regardless of if the target is in water or on the surface.”
Check out more details over at Popular Mechanics.
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