This video blows my mind and makes me extremely jealous that I haven't tried to do something similar. They took a ton of roman candles, shoved them into tubes that can be held in each hand, and then lit the fuse. - The results. Amazing.
Okay I should preface this by saying that I have never worked a field or farm in my life. So, I assume, that when you have to go out and dig up rocks and carry them off, it's probably the least fun thing you could ever do. This new invention stream lines the process...