4
votes
0answers
829 views

What really happens atomically in an explosion? [migrated]

Let's say a room is filled with butane, I then throw a cigarette into the room. What happens to the atoms/molecules of the butane when they are in contact with the heat from the cigarette?
2
votes
1answer
39 views

Trying to understand explosions

I’m trying to understand the nature and amount of energy/force generated in an explosion. Take, for example, the explosion that results from the complete annihilation of one gram of matter, releasing ...
0
votes
1answer
192 views

Is it true that a Space Shuttle launch is powerful like an “average” nuclear explosion?

Kind of an odd question here. First let's define what an "average" nuclear explosion is, because that's quite a controversial term - "average". Considering that the peak of nuclear tests was at the ...
0
votes
0answers
53 views

absorbing energy from explosion

The other day in physics, we went to visit a workgroup that was developing a wall that would absorb energy from explosions (it was a joint project with the military academy). The first prototype they ...
4
votes
2answers
929 views

How many grams of explosive are equivalent to the energy in a battery?

In the movie Terminator 3: Rise of the Machines, Arnie's fuel cells were twice shown to be extremely devastating when their stored energy was released. In real life, how many grams of, say, gunpowder ...
10
votes
4answers
517 views

Explosion in space

I'm curious about what happens if an explosive substance detonates in space. On Earth, I guess a good chunk of the energy released is carried away by shock waves in the atmosphere. But in space, the ...