As neolithic humans knew, it’s not easy to light a fire. When fire was used for both heat and illumination, the delay between wanting a little light and getting one could be a problem. One of the ways to solve it was carrying around jars of sulfuric acid and using it to set things on fire.
I don't recommend doing this, but I do recommend watching it. A couple of people set fire to one edge of a drift of cottonwood seeds. The fire travels slowly from one side of the drift to the other, leaving the grass underneath it unburned.
Technically, it was Antoine Lavoisier that proved we have an internal combustion engine, but let's give the guinea pig credit. It nearly froze in Lavoisier's special calorimeter to prove something new about biophysics.
Ever wondered what it looks like to set a gas-filled camper on fire? Or drop a piggy bank on the running blades of an upside-down lawnmower? Or light 60,000 matches all at once? Wonder no more.
This is the slowest video YouTube's "Slow-Mo Guys" have ever done. That, in and of itself, is saying something. That it happens to be a video of bubbles popping just turns the whole viewing experience up to 11. Don't get us wrong, bursting bubbles has always been fun — but doing it turned down thousands of times…
In the early morning hours of December 11, 2005, Europe experienced its biggest peacetime explosion ever. The vapor from almost 200 tons of petrol at a fuel storage depot in Buncefield, UK had ignited, obliterating the facility in a colossal combustion reaction that defied reason.