Why Do Coal Mines Explode?Live Science

There are two main types of coal mine explosions: methane explosions and coal dust explosions. Methane explosions occur in mines when a buildup of methane gas, a byproduct of coal , comes into contact with a heat source, and there is not enough air to dilute the gas to levels below its explosion point, said Yi Luo,

Why do mines explode when you take your feet off, but not

Sep 09, 2017· The notion that mines detonate when your foot is removed instead of when you step on them is pure Hollywood invention. Such a mine would actually be more difficult to design and manufacture, less reliable, and would have no benefit. Mines explode the moment you step on them. Assuming they are pressure mines of course.

How Do Landmines Work? Why They Explode When Stepped On?