burning car

What is a gas, really? And can it always explode?

The term gas explosion could be used to describe several different kinds of explosions. In order to understand this, let’s take a look at different definitions of the word gas. Gas – Short for gasoline, a flammable liquid commonly used to fuel vehicles, called petrol outside North America. Gas – Short for propane gas, a flammable vapor […]

Real-Life Rocket

The 1995 film Apollo 13 is a historically-accurate recounting of the problems encountered by astronauts and engineers during the 1970 USA space mission of the same name. Although I didn’t see the launch of the Apollo 13 on TV, I did watch NASA’s live broadcast of the 1969 launch of the Apollo 11 (along with millions of other Americans […]