MythBusters Missed THIS Deadly Grenade Fact? #military #science #mythbusters #shorts

Added: 2026-06-02

[00:00:00]It is said that if you jump on a grenade, you can save your friends.

[00:00:03]MythBusters tried different scenarios to prove it, but they missed accounting for one incredibly important factor.

[00:00:10]To test the myth, they placed wooden cutouts around the blast zone. First, they blew up a grenade in the open, and the wood was completely shredded. Then, they put a heavy ballistics dummy directly on top of a live grenade. The dummy was obliterated, but the wooden bystanders walked away without a scratch. Because the wood was safe, they called the myth confirmed.

[00:00:32]But here's exactly what they missed: blast overpressure. Plywood only tracks flying metal. It doesn't feel shock waves. When a grenade detonates, it creates a supersonic wave of compressed air. The hero's body acts as an amazing meat shield to stop the solid shrapnel, but that invisible concussive force still blasts right through them and expands outward. Anyone standing just a few feet away might not get hit by metal, but that pressure wave can instantly rupture their lungs or cause severe brain trauma. Plywood doesn't have internal organs, so it looked completely safe. Knowing this invisible killer is still coming for you, do you think jumping on a grenade is actually the best option?